Shivaji University 2009-3rd Sem M.C.A (commerce) exm-(credit system) - exam paper

M.C.A(COMMERCE)SEM-III EXM-2009(CREDIT SYSTEM)
PAPER-3.1:COMPUTER NETWORK
DATE:SATURDATE,31/10/2009 TOTAL:80

INSTRUCTION:ANY FIVE



Q1) A)WHAT IS THE REQUIREMENT FOR COMPUTER NETWORK TO ENSURE HIGH QUALITY SERVICES?
B)WHAT ARE THE TOPOLOGY FOR NETWORKS?
Q2)A)WHAT IS MULTIPLEXING WHY IS MULTIPLEXING NEEDED IN DATA COMMUNICATION?
B)WHICH LAYER OF OSI MODEL ENSURE RELIABLE END-TO-END DELIVERY OF DATA AND define THAT LAYER?

Q3)A)DESCRIBE LAN's IEEELAN STANDERD RELATIONSHIP OF 802 STANDARED IN DETAIL.
B)EXPALIN THE CARRIER SENSE(COLLISION)SYSTEM WITH P-PERSISTENT WITH THE HLP OF SUTABLE EXAMPLE.
Q4)A)DESCRIBE THE ROLE OF PROTOCOL DATA UNIT IN LLC AND MAC SUB LAYERS.
B)WHAT IS THE various ranging from CSMA/CD NETWORKS AND TOKEN-PASSING NETWORKS?
Q5)A)WHAT IS THE various ranging from MESSAGE SWITCHING AND PACKET SWITCHING?
B)DESCRIBE THE different DISTANCE VECTOR ROUTING ALGORITHM IN DETAIL.
Q6)A)WHAT TCP/IP?DESCRIBE different FEATURE given BY TCP.
B)DESCRIBE IP ADDRESS STRUCTURE WITH ITS various BLOCKES IN DETAIL.WHAT AR IP FUNCTION?

Q7)WRITE SHORT NOTE(ANY FOUR)
A)ASYNCHRONOUS TRANSMISSION
B)GOAL OF LAYERED PROTOCOLS
C)ANSI FIBER DISTRIBUTED DATA INTERFACE
D)ADVANTAGES OF DYNAMIC ROUTING
E)SOCKET SYSTEM CALLS

Earning:   Approval pending.