Madras University (UnOM) 2008 B.C.A Computer Application DATA COMMUNICATION - Question Paper

TIME:THREE HOURS MAXIMUM:100 MARKS

PART A(10*3=30MARKS)

ans ANY 10 ques.

1.WHAT ARE THE CHARACTERISTICS THAT describe EFFECTIVENESS OF A DATA COMMUNICATION SYSTEM?

2.DISTINGUISH ranging from PEER-TO-PEER RELATIONSHIP AND PRIMARY-SECONDARY RELATIONSHIP?

3.WHAT ARE THE DISADVANTAGES OF MESH TOPOLOGY?

4.EXPLAIN 2 MODES FOR TRANSMITTING BINARY DATA ACROSS A LINK?

5. WHAT DOES A DECIBEL MEASURE?

6.WHAT DO YOU MEAN BY CONNECTION-ORIENTED SERVICE?

7.COMMENT ON THE NECESSITY OF SWITCHING?

8.WHAT IS COLLISION?

9.NAME a few ADVANTAGES OF FRAME RELAY OVER X.25.

10.WHAT IS TOKEN BUS?

11.DEFINE REPEATERS?

12.WHAT IS WWW?

PART B-(5*6=30MARKS)

ans ANY five ques.

13.WHAT ARE THE ADVANTAGES OF DISTRIBUTED PROCESSING?

14.DESCRIBE THE TRANSMISSION MEDIUM BROADBAND COAXIAL CABLE?

15.WHAT IS PULSE CODE MODULATION?

16.COMPARE THE OSI REFERENCE MODEL AND TCP/IP MODEL?

17. elaborate THE various FEATURES IF SWITCHED MULTIMEGABIT DATA SERVICES?

18.WRITE A SHORT NOTE ON COMMON GATEWAY INTERFACE?

19.DiscUSS ON FILE TRANSFER PROTOCOL?

PART C(4*10=40MARKS)
ans ANY four ques.

20.DiscUSS THE STRUCTURE AND FUNCTION OF OSI REFERENCE MODEL LAYERS?

21.EXPLAIN THE STRUCTURE OF THE TELEPHONE SYSTEM IN DETAIL?

22.DESCRIBE THE CATEGORIES OF MULTIPLEXING SCHEMES?

23.EXPLAIN THE IEEE STANDARD 802.6 PROTOCOL?

24.DiscUSS ON DISTANCE VECTOR ROUTING ALGORITHM?

25.WRITE SHORT NOTES ON subsequent.
a.DOMAIN NAME SYSTEM
b.UNIFORM RESOURCE LOCATOR.
c.SIMPLE MAIL TRANSFER PROTOCOL

Earning:   Approval pending.