M.Sc. Computer Science Question paper

Loyola College M.Sc. Computer Science April 2011 Operating Systems Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2011

CS 2811/ 2809 – OPERATING SYSTEMS

 

 

 

Date : 02-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

                                                                           SECTION – A       

ANSWER ALL THE QUESTIONS:                                                                                         (10X2=20)

  1. Define Multiprocessor Systems.
  2. What are the different categories of System Calls in OS?
  3. Differentiate I/O-Bound and CPU-Bound process.
  4. What is turnaround time?
  5. Define Wait and Signal Operation.
  6. What is deadlock?
  7. What is fragmentation?
  8. What is Virtual Memory?
  9. List the basic file operations.
  10. What is a file descriptor?

SECTION – B

ANSWER ALL THE QUESTIONS:                                                                                         (5X8=40)

11 a) Explain Real-Time Systems

(OR)

  1. b) Explain the various system services of an operating System

12 a) Explain about Inter Process Communication

(OR)

  1. b) Explain the basic concepts of CPU Scheduling

13 a) Explain Readers-Writers problem of Synchronization

(OR)

  1. b) Explain how will you prevent Deadlock?

14 a) Explain Paging with neat diagram

(OR)

  1. b) Explain FIFO Page Replacement algorithm with an example

15 a) Explain any two Directory structure

(OR)

  1. b) Explain about protection in file system

                                                                   SECTION – C

 

ANSWER ANY TWO QUESTIONS:                                                                                                    (2X20=40)

 

16 a) Explain the Structure of an operating system in detail

  1. b) Explain any two Scheduling algorithms

17 a) Explain Semaphore in detail

  1. b) Explain Swapping with neat diagram

18 a) Discuss any two methods of allocating disk space

  1. b) Explain Resource-Allocation graph with a neat diagram

 

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Loyola College M.Sc. Computer Science April 2011 Oops Through Java Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

FIRST SEMESTER – APRIL 2011

CS 1805 – OOPS THROUGH JAVA

 

 

Date : 19-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

                                PART – A                                    10×2 = 20 marks

 

Answer all the questions

 

  1. Define the term Polymorphism.
  2. How to achieve multiple inheritances in java.
  3. What is package? Mention the importance of it.
  4. What is a thread?
  5. Define the following terms i) Applet ii) Application.
  6. List out any four exception in Java.
  7. Write any four swing component class.
  8. Write the difference between applet and swing.
  9. What is Servlet?
  10. Write the Syntax to load the driver in JDBC.

 

PART – B                                                  5×8 = 40 marks

Answer all the questions

 

11.a). Explain the following:

  1. i) Inheritance ii) Encapsulation

(Or)

  1. b) Write short notes on features of Java.

 

12.a). Explain about any five packages of Java.

(Or)

  1. b) Write a java program to throw an Arithmetic Exception.

 

13.a) Discuss Dialog Box and File Dialog Box

(Or)

  1. b) Write a java program to perform an action event using Button.

 

 

 

 

14.a) Write about JAR Files.

(Or)

  1. b) What is an interface? How to create an interface in Java.

 

  1. a) Discuss the classes implemented for Servlet API’s.

 

  1. b) Explain the components available for making the java data base connectivity.

 

 

       PART- C                                                 2x 20 =40 marks

Answer any Two

 

  1. a). Explain in detail about multithreading in java with an example.

 

b). Explain the various constructor and constants of default layout with

an example program.

 

  1. a). Discuss in detail about Event Class.

 

b). Explain the following in detail with sample programs

  1. i) JTabbedPane ii) JScrollPane iii) JTable iv) JTree

 

  1. a) Explain the detail about servlet life cycle.

 

  1. b) Write a java program to fetch the data from the table using JDBC.

 

 

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Loyola College M.Sc. Computer Science April 2011 Object Oriented Analysis & Design Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2011

CS 2954 – OBJECT ORIENT.ANALYSI & DESIGN

 

 

Date : 07-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

SECTION-A

 

ANSWER ALL THE QUESTIONS:                                                                         (10 X 2 = 20)

 

  1. Define Aggregation.
  2. What is Antipattern?
  3. Compare Uses and Extends association.
  4. Mention the 2 major properties of a-part-of-relationship.
  5. What is a multidatabase system?
  6. State the design axioms.
  7. Mention User Interface Design Rule 2 and 3.
  8. Mention any 2 guidelines for applying colours in User Interface.
  9. What is scenario based testing?
  10. State Myer’s debugging principles.

 

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                                                            (5 X 8 =40)

 

         11. a) Explain in brief Collaboration Diagram with an example.

(OR)

  1. b) Explain encapsulation and information hiding.

 

  1. a) Discuss in brief about CRC approach for identifying classes.

(OR)

  1. b) Sketch a Use Case diagram for Employee Payroll Management System.

 

  1. a) Explain in detail about Concurrency control.

(OR)

  1. b) Discuss about the rules to design a OODBMS.

 

  1. a) Discuss in brief about the UI design rules used in the micro level process.

(OR)

  1. b) Elaborate the guidelines for designing command buttons layout.

 

  1. a) What is a test plan? Elaborate the steps for the creation of a test plan.

(OR)

  1. b) Briefly discuss about User Satisfaction Test.

 

 

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                                   (2 X 20 = 40)

 

  1. (a) Discuss in detail the Unified approach to software development.      (10)

(b) Explain the rules of naming classes and attributes with examples.              (10)

 

 

  1. (a) Discuss about the process of creating access layer classes.     (10)

(b) Briefly describe the guidelines for designing forms and data entry

windows.                                                                                                     (10)

 

  1. (a) Compare White Box testing and Black Box testing in detail. (10)

(b) Discuss the rules for developing usability test.                                             (10)

 

 

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Loyola College M.Sc. Computer Science April 2011 Cryptography & Network Security Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2011

CS 2813 – CRYPTOGRAPHY & NETWORK SECURITY

 

 

Date : 12-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

SECTION-A

 

ANSWER ALL THE QUESTIONS:                                                                        (10 x 2 = 20)

 

  1. Write down the difference between services and mechanisms
  2. What is the functionality of X.800
  3. What are the characteristics of a random number?
  4. Write down the categories of public key Cryptosystems.
  5. List out the message authentication functions
  6. What are birthday attacks?
  7. What are the parts of the signature compound?
  8. What are the components of private key ring?
  9. What are honey pots?
  10. What is Zombie?

 

 

SECTION-B

 

 

ANSWER ALL THE QUESTIONS:                                                                              (5 x 8 =40)

 

  1. a) Explain cryptographic systems and cryptanalysis

(OR)

  1. b) Explain OSI security architecture

 

  1. a) What is meet in the middle attack and how it is resolved?

(OR)

  1. b) Write down the requirements of Cryptography.

 

  1. a) Explain authentication requirements

(OR)

  1. b) Explain Message authentication code.

 

14.a) Write down the applications of IPSec.

(OR)

  1. b) Explain SSL architecture.
  2. a) Explain Intrusion Techniques.

(OR)

Explain password protection methods

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                      (2 x 20 = 40)

  1. i)) Explain the modes of operation of Block Cipher

ii)Explain RC5 algorithm

 

  1. i) Explain Diffie- Hellman Key exchange algorithm
  2. ii) Explain Digital Signature in Secured Electronic Transaction.

 

  1. i) Explain different types of Firewalls.

ii)Explain Simplified DES in Detail.

 

 

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Loyola College M.Sc. Computer Science April 2011 Advanced Database Management System Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

SECOND SEMESTER – APRIL 2011

CS 2814 – ADVANCED DATABASE MANAGEMENT SYSTEM

 

 

Date : 11-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

Part – A

Answer All the Questions:                                                                                             (10 x 2 = 20)

 

  1. What is Super Key?
  2. List out the components of data block.
  3. Mention the different types of bulk type-constructors.
  4. What is meant by granting a privilege?
  5. Define the term: Snowflake schema.
  6. What do you meant by Residence Latency?
  7. State the difference between Row-level and Statement-level active rules.
  8. Define the term: Data Allocation.
  9. What is Backward Chaining?
  10. What do you meant by Shadow Paging?

Part – B

Answer all the Questions:                                                                                                                     (5 x 8 = 40)

 

  1. a) Solve the query by using Relation Algebra

Employee(Eno,Ename,Bdate,Address,Gender,Salary,Superssn,Dno)

Department(Dname,Dnumber,MGRSSN,MGR-START-DATE)

Project(Pname,Pnumber,Plocation,Dnum)

For every project located in “Berlin”, list the project number, the controlling department

number and the department manager’s name, address and birthdate.

(Or)

  1. b) Write a short note on Storage Organization in Oracle.

 

12 a) Explain in briefly about Deadlock Prevention.

(Or)

  1. b) Explain the relationship between a type and its subtype in a type hierarchy with an example.

 

13 a) Explain in briefly about Mobile Computing Architecture with a neat diagram.

(Or)

  1. b) Write a short note on the goals that Data Mining attempts to facilitate.

 

14 a) Give a detail note on I/O Parallelism.

(Or)

  1. b) Write a database trigger before insert/update/delete for each statement not allowing any of

these operations on the table Employee on Mondays/Tuesdays & Wednesdays.

 

 

 

15 a) Explain the steps involved in converting a SQL query into Query tree with an example.

(Or)

  1. b) Explain the types of privileges at the account level and at relation level.

 

Part – C

 

Answer any two:                                                                                               (2 x 20 = 40)

 

16 a) What is Query processing? Explain the steps involved for Query processing.(10)

  1. b) What is a Transaction? Explain ACID properties with an example.(10)

17 a) What is a Data Warehouse? Describe the characteristics of a Data Ware house.(10)

  1. b) Give a detail note on Data Fragmentation with an example.(10)
  2. a) Explain in detail about Database Tuning in Relational Systems.(10)
  3. b) Discuss the Entity Integrity & Referential Integrity constraints. Why each is considered

important?(10)

 

 

 

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Loyola College M.Sc. Computer Science April 2011 Advanced Computer Architecture Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

FIRST SEMESTER – APRIL 2011

CS 1814 – ADVANCED COMPUTER ARCHITECTURE

 

 

Date : 20-04-2011             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

                                       SECTION – A

 

ANSWER ALL THE QUESTIONS:                                                                                   (5X2=20)

 

  1. Define accumulator.
  2. What are universal gates?
  3. Define instruction cycle.
  4. Write any four data transfer instructions.
  5. What is dynamic ram?
  6. Write down the memory hierarchy.
  7. What are maskable interrupts?
  8. Define synchronization.
  9. Write any two advantages of using vector processors.
  10. What is systolic array processor?

 

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                                                                    (5X8=40)

 

  1. a) Write down the importance of Assembly level language

(OR)

  1. b) How will you evaluate the performance of a computer?

 

  1. a) Write down the differences between RISC and CISC

(OR)

  1. b) Explain Instruction pipeline

 

  1. a) Explain Memory modules

(OR)

  1. b) Explain Cache memories

 

  1. a) Explain programmed I/O

(OR)

  1. b) Explain I/O Subsystem and its functionalities.

 

 

 

  1. a) Explain Vector Super Computers

(OR)

  1. b) Explain the functionality of SIMD array processors.

 

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                                              (2X20=40)

 

  1. a) Explain the generations of computers
  2. b) Explain Super scalar architectures.
  3. a) Explain virtual memories and its mapping schemes.
  4. b) Compare the Control flow computers with data flow computers
  5. a) Explain systolic array architectures
  6. b) Explain sum of products in digital logic

.

 

 

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Loyola College M.Sc. Computer Science April 2012 Tcp/Ip Protocol Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

THIRD SEMESTER – APRIL 2012

CS 3813 – TCP/IP PROTOCOL

 

 

Date : 24-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

                                          SECTION-A

 

ANSWER ALL THE QUESTIONS:                                                                                 (10 X 2 = 20)

 

  1. What is the key function of RARP?
  2. Define subnetting.
  3. Name any one debugging tool and mention its usage.
  4. What are the ICMP error reporting messages?
  5. Enumerate the UDP operations.
  6. Define Process to Process communication.
  7. Write down the significance of SI in SCTP.
  8. Draw the format of an ACK chunk.
  9. Differentiate FTP and TFTP.
  10. What are cookies?

 

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                                                                  (5 X 8 =40)

 

    11. a) Explain about the different fields in a routing table with its purpose.                                                         (OR)

  1. b) Discuss in brief about ARP and draw its packet format.

 

  1. a) Explain checksum with respect to IP datagram.

(OR)

  1. b) Discuss in brief the ICMP query messages with its usage.

 

  1. a) Explain in detail the error control in TCP.

(OR)

  1. b) Discuss in brief about the flow control in TCP and its significance.

 

  1. a) Draw the State Transition Diagram of SCTP and explain the scenario of

simultaneous open.

(OR)

  1. b) Draw the common layout of a chunk and explain any 3 chunks in detail.
  2. a) Discuss in brief about the management components of SNMP.

(OR)

  1. b) Explain briefly the following:

(i) HTTP                      (ii) CGI

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                                                (2 X 20 = 40)

 

  1. (a) Draw the TCP/IP protocol stack and explain all the layers and its protocols. (10)

(b) Discuss in brief about the IGMP Package.                                                      (10)

 

 

  1. (a) Explain the process of controlling congestion in TCP.             (10)

(b) Elaborate the steps involved in 4 way handshaking in SCTP with a neat diagram. (10)

 

 

  1. (a) Elaborate the significance and usage of SMTP.                                              (10)

(b) Discuss about the flow control in SCTP with a neat diagram.                        (10)

 

 

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Loyola College M.Sc. Computer Science April 2012 Operating Systems Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2012

CS 2811 – OPERATING SYSTEMS

 

 

Date : 17-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

                                                                                                        

       ANSWER ALL THE QUESTIONS:                                                                              10 X 2 = 20

 

  1. What are the two communication models in process control?
  2. Define the term ‘DLM’.
  3. List out the different types of queues in process scheduling.
  4. Define: Through put.
  5. What is Entry section?
  6. Define Deadlock.
  7. What is Page fault?
  8. What is the usage of limit register?
  9. Define Relative Block number.
  10. What is Disk band width?

 

PART – B

 

       ANSWER ALLTHE QUESTIONS :                                                                                5 X 8 = 40

 

11.   a) Write a brief note on Distributed systems.

(OR)

  1. b) How the system programs are categorized? Explain its functionalities.

 

  1.  a) Write a note on FCFS scheduling algorithm.

(OR)

  1. b) Explain about the Real time scheduling.

 

  1.  a) Briefly discuss about the Deadlock characterization.

(OR)

  1. b) Explain the Reader-Writers problem.

 

 

 

 

  1.  a) How physical address is generated using Hash table? Explain.

(OR)

  1. b) Briefly discuss about Segmentation with diagram.

 

  1.  a) Write a note on file attributes and file operations.

(OR)

  1. b) Explain Scan and C-scan disk scheduling methods with examples.

 

 

 

PART – C

 

 

       ANSWER ANY TWO:                                                                                       2 X 20 = 40

 

 

  1. a) Discuss the System calls and its categories in detail.(10)
  1. b) Explain the SJF and RR scheduling methods in detail.(10)

 

  1. a) Explain the Deadlock prevention method in detail.(10)
  1. b) Give the detail note on Demand paging and page replacement with diagram.(10)

 

  1. a) Discuss the Directory structures with neat diagram.(10)
  1. b) Write a note on the following (i) Multi processor Systems.(5)

(ii) Clustered System.(5)

 

 

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Loyola College M.Sc. Computer Science April 2012 Object Oriented Analysis & Design Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2012

CS 2954 – OBJECT ORIENT.ANALYSI & DESIGN

 

 

Date : 26-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART – A

      Answer ALL the questions:                                                                                           (10 x 2 = 20)

 

  • What is Dynamic Inheritance?
  • Distinguish between Method and Message in Object.
  • What are the most common sources of requirement difficulty?
  • Define Analysis.
  • What is 80-20 rule?
  • Define Cohesion.
  • What is the purpose of a view layer interface?
  • List the steps involved in micro development process.
  • What is an Alpha testing?
  • Differentiate Verification and Validation.

 

 

PART – B

       Answer ALL the questions:                                                                                          (5 x 8 = 40)

 

  • a) What are the different types of Prototype? Explain.

(Or)

  1. b) Discuss how use cases are developed in Jacobson methodology.

 

12) a) Draw the Use case diagram and Activity diagram for a Railway reservation system .

(Or)

  1. b) What is Super-Sub relationship? Describe a best method for identifying Super-Sub relationship.

 

13) a) Explain briefly about the Mapping techniques.

(Or)

  1. b) Design an Access class for the transaction class for the bank system.

 

14) a) What are the guidelines for designing application windows? Explain.

(Or)

  1. b) Elaborate the process of designing view layer classes with suitable examples.

 

15) a) Describe top-down and bottom-up strategies.

(Or)

  1. b) Provide the guidelines for developing usability testing.

 

 

 

 

PART –C

                 

Answer any TWO questions:                                                                                               (2 x 20 = 40)

 

 

16) a) Explain in detail about OOSE and OOBE.                                                                  (10)

 

  1. b) Discuss elaborately about patterns. (10)

 

17) a)Explain in detail how the axioms and corollaries are used in designing user interface. (10)

 

  1. b) Explain the different User interface design rules to be followed in designing interface objects.

 

18) a) Explain the different types of testing strategies in detail.                                            (10)

 

  1. b) Describe in detail about Noun phrase approach. (10)

 

 

 

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Loyola College M.Sc. Computer Science April 2012 Network Programming Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

THIRD SEMESTER – APRIL 2012

CS 3816 – NETWORK PROGRAMMING

 

 

 

Date : 28-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

SECTION-A

 

ANSWER ALL THE QUESTIONS:                                 (10 X 2 = 20)

  1. Mention any two advantages of Mesh Topology.
  2. What is MAN?
  3. Enumerate the different notations of IP address.
  4. State the key functions of Session Layer.
  5. Differentiate ARP and RARP.
  6. Distinguish static and dynamic routing tables.
  7. List out the limitations of UDP.
  8. What is Flow control?
  9. State the usage of DNS.
  10. Define encryption.

 

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                  (5 X 8 =40)

      11. a) Explain Fiber optic medium with a neat diagram.                                                                          (OR)

  1. b) Discuss in brief about the networking devices and its purpose.

 

  1. a) Compare IP and MAC addresses and their usage.

(OR)

  1. b) Explain PING and TRACERT supporting with examples.

 

  1. a) Explain in brief about DHCP.

(OR)

  1. b) Explain the various features of RARP.

 

  1. a) Explain in brief the various queuing disciplines.

(OR)

  1. b) What is Congestion Avoidance? Explain any one mechanism for congestion avoidance.

 

  1. a) Discuss about HTTP in brief.

(OR)

  1. b) Explain in brief about SNMP.

 

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                (2 X 20 = 40)

 

16.(a) Explain in detail about the categories of networks.                              (10)

(b) Write a program to implement sockets.                                     (10)

 

  1. (a) Discuss in detail about ARP with its packet format and its purpose. (10)

(b) Explain three way handshaking in TCP with a neat diagram.             (10)

 

  1. (a) Explain in detail about Firewall techniques. (10)

(b) Discuss about the types of messages involved in ICMP.                    (10)

 

 

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Loyola College M.Sc. Computer Science April 2012 Network Programming Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

THIRD SEMESTER – APRIL 2012

CS 3816 – NETWORK PROGRAMMING

 

 

 

Date : 28-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

SECTION-A

 

ANSWER ALL THE QUESTIONS:                                                                                 (10 X 2 = 20)

 

  1. Mention any two advantages of Mesh Topology.
  2. What is MAN?
  3. Enumerate the different notations of IP address.
  4. State the key functions of Session Layer.
  5. Differentiate ARP and RARP.
  6. Distinguish static and dynamic routing tables.
  7. List out the limitations of UDP.
  8. What is Flow control?
  9. State the usage of DNS.
  10. Define encryption.

 

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                                                                      (5 X 8 =40)

 

      11. a) Explain Fiber optic medium with a neat diagram.                                                                          (OR)

  1. b) Discuss in brief about the networking devices and its purpose.

 

  1. a) Compare IP and MAC addresses and their usage.

(OR)

  1. b) Explain PING and TRACERT supporting with examples.

 

  1. a) Explain in brief about DHCP.

(OR)

  1. b) Explain the various features of RARP.

 

  1. a) Explain in brief the various queuing disciplines.

(OR)

  1. b) What is Congestion Avoidance? Explain any one mechanism for congestion avoidance.

 

  1. a) Discuss about HTTP in brief.

(OR)

  1. b) Explain in brief about SNMP.

 

 

 

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                                                  (2 X 20 = 40)

 

16.(a) Explain in detail about the categories of networks.                              (10)

(b) Write a program to implement sockets.                                     (10)

 

  1. (a) Discuss in detail about ARP with its packet format and its purpose. (10)

(b) Explain three way handshaking in TCP with a neat diagram.             (10)

 

  1. (a) Explain in detail about Firewall techniques. (10)

(b) Discuss about the types of messages involved in ICMP.                    (10)

 

 

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Loyola College M.Sc. Computer Science April 2012 Mobile Computing Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2012

CS 2812 – MOBILE COMPUTING

 

 

Date : 19-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART-A

Answer ALL questions:                                                                                                                 10*2=20

 

  1. What is Frequency division duplex?
  2. Mention the logical frame hierarchy in GSM
  3. List out different physical layers supported by IEEE 802.11
  4. Give the four different network types of BRAN
  5. Define Encapsulation.
  6. Give an example for triangular routing?
  7. What is slow start in TCP?
  8. Write any two advantages of fast retransmit
  9. List out the features offered by WTP (wireless transaction protocol) to the higher layers
  10. Draw the primitive which is used to send a datagram in WDP.

 

PART-B

Answer ALL questions.                                                                                                                    5*8=40

 

  1. (a) Name the main elements of GSM system architecture and describe their functions

OR

(b) Describe Digital audio broadcasting.

 

  1. (a) Compare two different transmission technology used in WLANs.

OR

(b) Explain the handover scenario of HiperLAN2 in detail.

 

  1. (a) Discuss the methods of router discovery in Mobile IP.

OR

(b)Describe Hierarchical mobile IPV6 with diagram.

 

  1. (a) Compare snooping TCP with Mobile TCP with example network scenarios.

OR

(b) Explain the following

(i) Congestion control

(ii) Congestion window

(iii) Congestion threshold

 

  1. (a) Explain in detail about the architecture of WAP (wireless application protocol)

OR

(b) What is Wireless session protocol/browsing? Discuss its session establishment,           suspension and resume.

 

 

PART-C

Answer any TWO:                                                                                                                        2*20=40

 

  1. (a) Explain the countermeasures for interference in SDMA,TDMA,FDMA and CDMA

systems.

 

(b)What characteristic do the different orbits have? What are their pros and cons?

 

  1. (a)Write and explain mandatory basic access mechanism for IEEE 802.11.

 

(b) Explain how tunnelling works in mobile IP using IP-in-IP, minimal, and generic routing

encapsulation. Discuss the advantage and disadvantages of these three methods.

 

  1. (a) How does I-TCP isolate problems on wireless link? What are the main drawbacks of this      solution?

 

(b) Distinguish the service offered by wireless transaction protocol class0,class1 and class2.

 

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Loyola College M.Sc. Computer Science April 2012 Linux Programming & Driver Development Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

THIRD SEMESTER – APRIL 2012

CS 3814 – LINUX PROGRAMMING AND DRIVER DEVELOPMENT

 

 

Date : 26-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

PART – A

ANSWER ALL THE QUESTIONS:                                                                                 10 X 2 = 20

 

  1. Define shell.
  2. What is the output of the following script,

myVar = “Hello ”

echo ‘$myVar’

echo  “$myVar”

  1. Define: inode.
  2. What is the function of link system call?
  3. Define Semaphore.
  4. Define Pipe.
  5. Define SOCK_STREAM.
  6. What is the usage of COLOR_PAIR function?
  7. Define modules.
  1. What is Block device?

PART – B

ANSWER ALLTHE QUESTIONS :                                                                                  5 X 8 = 40

 

  1. a) Explain parameter expansion with a suitable example.

(OR)

  1. b) Write a shell program to trap interrupt signal.
  1. a) Explain the Read and Write system call.

(OR)

  1. b) Write a note on mmap.
  1. a) Briefly discuss about the low level pipe function.

(OR)

  1. b) Describe about Shared Memory.
  1. a) Write a brief note on Socket types.

(OR)

  1. b) What is color pair? Explain.
  1. a) Describe the role of device driver.

(OR)

  1. b) Explain the design of the Scull.

 

 

 

 

 

PART – C

 

ANSWER ANY TWO:                                                                                                         2 X 20 = 40

 

  1. a) Discuss the control structures in detail. (10)
  2.  b) Explain Linux File Structure in detail. (10)
  3. a) Discuss the named FIFO with a suitable example. (10)
  4.  b) Write a note on the following,   (i) bind.(ii) listen. (iii) accept. (10)
  5. a) Discuss about splitting the kernel. (10)
  6. b) Explain about shell variables and functions with a suitable example. (10)

 

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Loyola College M.Sc. Computer Science April 2012 Data Warehousing Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

THIRD SEMESTER – APRIL 2012

CS 3812 – DATA WAREHOUSING

 

 

Date : 21-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

Part A

Answer ALL questions:                                                                                                             10 x 2 = 20

                                                                                                                                                                  

  1. Compare Operational system with Informational system under two valuable tasks.

 

  1. State any three factors that indicate the continued growth in data warehousing.

 

  1. List out the three benefits of quality data in data warehouse.

 

  1. Why Meta data is said to be nerve center?

 

  1. What is mean by data granularity in data warehouse?

 

  1. Illustrate the difference between destructive merge and constructive merge.

 

  1. Give 2 reasons why naming standards are important in data warehouse

Environment.

 

  1. Define data clustering.

 

  1. Write notes on decision trees.

 

  1. Give reasons why data warehouse must be backup.

 

Part B

Answer ALL questions:                                                                                                               5 x 8 = 40

                                                                                                    

11 a)  Why do data warehouses continue to grow in size, storing huge amounts of

data? Give any three reasons.

(OR)

  1. b) Name 4 key issues to be considered while planning for a data warehouse.

 

 

12 a)   Why do you think Meta data is important in data warehouse environment?

.                   List four Meta data types in each area of data acquisition, data storage and

information delivery.

(OR)

b)List four major requirements that metadata must satisfy. Describe each of these

four requirements.

 

 

13  a)   Briefly explain multi dimensional analysis.

(OR)

  1. b) Discuss star schema keys in detail.

 

 

14 a)    Identify the classes of users who will use information, in detail.

(OR)

  1. b) What are hyper cubes? How do they apply in an OLAP system?

 

 

15 a)    Write notes on

( i ) Genetic algorithm

( ii ) Neural  networks.

(iii ) Drill-down and Roll-ups.

(OR)

  1. b) List five common provisions to be found in a good security policy.

 

 

Part C

 

Answer any TWO questions:                                                                                                   2 x 20 = 40

 

16 a)  Discuss about  the components of data ware house in its three major areas.

  1. b) Explain the 4 parallel server  List the benefits, features and limitations

of each.

 

17 a)  What are hyper cubes? How do they apply in OLAP system?

  1. b) State any two underlying methods for information delivery to satisfy the

requirements of all types of users.

 

18  a)   Describe the physical design step activities.

  1. b) Determine the major activities during data warehouse deployment.

 

 

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Loyola College M.Sc. Computer Science April 2012 Cryptography & Network Security Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2012

CS 2813 – CRYPTOGRAPHY & NETWORK SECURITY

 

 

Date : 21-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

                                                                 

SECTION-A

 

ANSWER ALL THE QUESTIONS:                                                                       (10 x 2 = 20)

 

  1. Write down the format of initial permutation of DES.
  2. Define substitution and Transposition Methods.
  3. Define prime number
  4. What is RC5-CTS mode?
  5. What is one way property of hash function?
  6. What are time stamps?
  7. What is S/MIME?
  8. What is handshake protocol?
  9. Write down the phases of Virus
  10. What is misfeasor?

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                                                                 (5 x 8 =40)

 

  1. a) Explain Poly Alphabetic Cipher with an example

(OR)

  1. b) Explain Play fair Cipher technique with an example
  2. a) Explain RSA algorithm.

(OR)

  1. b) Explain the key distribution Scenario.
  2. a) Explain approaches of digital signature standard

(OR)

  1. b) Write down the requirements for a hash function.
  2. a) Explain MIME content types.

(OR)

  1. b) Explain SSL record protocol
  2. a) Explain rule based Intrusion Detection.

(OR)

b)Explain the password selection strategies.

 

 

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                                             (2 x 20 = 40)

 

  1. i) Explain Hill Cipher and find the cipher text of “POT” using

 

17  17   5                             4    9   15

K=    21  18  21     and K-1   =     15   17   6

2    2    19                           24   0  17

 

  1. ii) Explain RC5 algorithm in detail.

 

  1. i) Explain SHA algorithm in detail.
  2. ii) Explain IPSec Architecture in detail.

 

  1. i) Explain different types viruses.
  2. ii) Explain Digital Signature standard

 

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Loyola College M.Sc. Computer Science April 2012 Computer Networks Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

FIRST SEMESTER – APRIL 2012

CS 1812 – COMPUTER NETWORKS

 

 

 

Date : 27-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

SECTION-A

 

ANSWER ALL THE QUESTIONS:                                                                                   (10 X 2 = 20)

 

  1. What is Frequency Division Multiplexing?
  2. Define reliability in data transmission.
  3. State the frame format of Ethernet.
  4. State the role of a token in a token ring.
  5. What is Circuit switching?
  6. Define Broadcasting.
  7. Mention the significance of AIMD.
  8. What is Congestion Control?
  9. State the significance of DNS.
  10. What is cryptography?

 

SECTION-B

 

ANSWER ALL THE QUESTIONS:                                                                                      (5 X 8 =40)

 

             11. a) Explain Internet Architecture.

                                                (OR)

  1. b) Explain the functions of Physical Layer and Data Link Layer of OSI Model.

 

  1. a) Discuss about Byte Oriented Protocols in the context of Framing.             (OR)
  2. b) Explain the method of detecting errors using LRC with calculations.

 

  1. a) Explain in brief about datagram forwarding in IP.

(OR)

  1. b) Discuss about Distance Vector Routing.

 

  1. a) Explain how connection is established and terminated in TCP using State Transition Diagram.

(OR)

  1. b) Discuss in brief about Simple demultiplexer.

 

  1. a) Discuss about the components of SNMP.

(OR)

  1. b) What is encryption and decryption? Explain RSA Algorithm.

 

 

 

 

SECTION-C

 

ANSWER ANY TWO QUESTIONS:                                                                   (2 X 20 = 40)

 

  1. (a) Explain layering and protocols with respect to network architecture in

detail.                                                                                                 (10)

(b) Elaborate about token rings.                                                              (10)

 

 

  1. (a) Discuss about Internetworking with a neat diagram.           (10)

(b) Explain Congestion avoidance with any one mechanism in detail.  (10)

 

  1. (a) Explain in detail about data compression.           (10)

(b) Discuss about Silly window syndrome with respect to Nagle’s

algorithm.                                                                                          (10)

 

 

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Loyola College M.Sc. Computer Science April 2012 Advanced Database Management System Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

SECOND SEMESTER – APRIL 2012

CS 2814 – ADVANCED DATABASE MANAGEMENT SYSTEM

 

 

Date : 24-04-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

SECTION – A

ANSWER ALL THE QUESTIONS:                                                                                        (10*2=20)

 

  1. What is Metadata?
  2. Define Relational Algebra.
  3. Mention the purpose of Normalization.
  4. What is 1NF?
  5. What you meant by Transaction Processing System?
  6. What is Deadlock?
  7. Define OID.
  8. What is multiple Inheritance?
  9. What is Replication Transparency?
  10. What is Vertical Fragmentation?

 

SECTION –B

ANSWER ALL THE QUESTIONS:                                                                                         (5*8=40)

 

11(a) Write a short note on Schema Architecture and Data Independence.

(OR)

(b) Explain about the types of Attributes.

12(a) Describe about tha concept of 3NF and BCNF.

(OR)

(b) Discuss about the steps involved in processing a high level query.

13(a) Explain about the needs of concurrency.

(OR)

(b)List out and Explain about the Properties of Transaction.

 

 

 

 

14(a) Explain the following (1) object identity (2) object structure and type constructors.

(OR)

(b) Write a short note on type hierarchies and inheritance.

15(a) Explain about the types of distributed System.

(OR)

(b) List out the applications of Data Mining.

 

SECTION – C

 

ANSWER ANY TWO QUESTIONS                                                                                     (2*20=40)

 

16 (a) Explain About the operators in Relational Algebra with An Example?

(b) How to implementing the Selection Operation?

 

17 (a) Explain about Shadow Paging?

(b)Explain about Client Server Architecture?

 

18 (a) Explain About the characteristics of Data ware houses?

(b) Explain about the applications of Multimedia Databases?

 

 

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Loyola College M.Sc. Computer Science April 2012 Advanced Computer Architecture Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SCIENCE

FIRST SEMESTER – APRIL 2012

CS 1814 – ADVANCED COMPUTER ARCHITECTURE

 

 

Date : 03-05-2012             Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

PART-A

                                                             

Answer All the Questions:                                                                                                       10X2=20

 

  1. How to declare RTN register.
  2. Give an example for ALU instruction.
  3. Mention an example for each type of interrupts.
  4. What is super pipeline?
  5. Define cache memory.
  6. Write the draw backs of programmed I/O.
  7. What is breakpoints?
  8. List out the types of I/O techniques.
  9. Define an array processor.
  10. What is an operation manager?

 

 

PART- B

Answer All the Questions:                                                                                                               8X5=40

 

11 a) Write the characteristic of SRC.

OR

  1. b) Compare the characteristic of CISC and RISC.

 

 

12 a) Write 4-address and 0-address instruction format and draw the required machine.

 

OR

  1. b) Explain status bit register with example.

 

13 a) What is replacement algorithm?  Explain its type.

 

OR

  1. b) Discuss the performance issue in memory.

 

 

 

 

14 a) What is DMA? Explain its working with neat diagram.

OR

  1. b) Write all the steps for interrupt processing in I/O system.

 

15 a) Explain data flow architecture with neat diagram.

 

OR

  1. b) Draw and explain SIMD configurations of array processors.

 

 

 

 

                            PART-C

                                              

Answer any TWO:                                                                                                                     2X20=40

 

 

16 a) Discuss common addressing modes

  1. b) Explain the hazards of pipeline processing.

 

17 a) Explain the super scalar architecture with neat diagram.

  1. b) Compare the concepts in cache memory and main memory.

 

18 a) Discuss network design decisions for Inter- PE communications.

  1. b) Explain the type of vector instruction.

 

 

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Loyola College M.Sc. Computer Science Nov 2012 Tcp/Ip Protocol Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

THIRD SEMESTER – NOVEMBER 2012

CS 3813 – TCP/IP PROTOCOL

 

 

Date : 03/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

 

 

Section – A 

      Answer all Questions:                                                                                         (10 X 2 == 20 Marks)

 

  1. Define Internetworking Protocol
  2. What do you mean by Unicast and Multicast?
  3. Define Fragmentation.
  4. What is the use of Output Queue in IP Package?
  5. What do you mean by connectionless service in UDP?
  6. Define Segment.
  7. Define Multiple Stream in SCTP.
  8. What is SSN?
  9. Define SNMP.
  10. What is HTTP?

 

 

 

Section – B 

      Answer all Questions:                                                                                            (5 X 8 == 40 Marks)

 

11  a) Explain in brief about subnetting.

Or

  1. b) List out the importance of  all the fields in a RARP Packet.

 

12  a)          Write about the IGMP message types.

Or

  1. b) Write in brief about the Option Field in the Datagram

 

  • a) Write about the Silly Window Syndrome.

Or

  1. b) With the neat sketch explain in brief the User Datagram format.

 

 

 

 

 

  • a) Write the services offered by SCTP.

Or

  1. b) Compare between TCP segment and a SCTP Packet

 

15 a) Write about the Five  types of  TFTP  messages.

Or

  1. b) Explain in brief about the two FTP connections.

 

Section – C 

      Answer any TWO Questions:                                                                            (2 X 20 == 40 Marks)

 

 

  • a) Explain in detail about forwarding of IP packets with classful and

Classless addressing.

  1. b) Describe about the Checksum calculation in IP

 

  • a) Explain in detail about Congestion control in
  1. b) Explain how the Error Control Mechanism is done in SCTP.

 

 

  • a) Explain in detail the phases of mail message transfer in SMTP.
  1. b) Explain the structure of a Router with a diagram.

 

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Loyola College M.Sc. Computer Science Nov 2012 Object Oriented Software Engineering Question Paper PDF Download

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LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

M.Sc. DEGREE EXAMINATION – COMPUTER SC.

FIRST SEMESTER – NOVEMBER 2012

CS 1817 – OBJECT ORIENTED SOFTWARE ENGINEERING

 

 

Date : 05/11/2012            Dept. No.                                        Max. : 100 Marks

Time : 1:00 – 4:00

 

SECTION A

Answer All the questions:                                                                                                 (10 X 2 = 20)

 

  1. Write down the constituents of rational enterprise philosophy.
  2. What are service packages in OOSE?
  3. Write down the architecture layers of Object oriented software engineering.
  4. Draw the state transition graph notation for i) send message  ii) destroy object
  5. Write down the steps for finding usecases.
  6. Define the terms assembly and
  7. Write down any four phases of maturity levels.
  8. What are process- related metrics?
  9. Write any four abstract usecases.
  10. Define object oriented modelling technique.

 

SECTION B

Answer All the questions:                                                                                                 (5 X 8= 40)

 

  1. a) Explain computer aided systems engineering.

OR

  1. b) Explain system development as part of an enterprise

 

  1. a) Explain requirement model in systems development.

OR

  1. b) How requirements model is structured in analysis model?

 

 

 

  1. a) Explain object oriented analysis process in the unified approach.

OR

  1. b) Write down the guidelines for developing effective documentation.

 

 

  1. a) Explain the process of education and training in OOSE.

OR

  1. b) Write down the factors influences the software quality.

 

  1. a)Explain the tasks in call handling , operation and maintenance in telecom switching services.

OR

  1. b) Explain Implementation model through state transition diagrams

 

SECTION C

Answer any TWO of the following questions:                                                              (2 X 20 = 40)

 

  1. i) Explain Inheritance in object oriented programming with an example in detail.
  2. ii) Explain model building in system development.

 

  1. i) Explain Usecase Model with proper examples.
  2. ii) Explain risk analysis and risk management in OOSE.

 

  1. i) Construct requirements model for telecom switching services.
  2. ii) Explain the features of object DBMS and compare with DBMS.

 

 

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