Visvesvaraya Technological University (VTU) 2009 M.Tech Computer Science Part-time - Question Paper

19. The length of packets that are switched in an ATM network are ____ bytes.
a) 5
b) 10
c) 48
d) 53
20. The packets that are switched in an ATM network are of _______________.
a) fixed length
b) variable length
c) fixed or variable length
d) none of the above.
21. Which of the subsequent statement is correct?
a) Even though a switch has a fixed number of inputs and outputs, large networks can be build by interconnecting a number of switches.
b) We can connect switches to every other and to hosts using point-to-point links.
c) Adding a new host to a network by connecting it to a switch does not necessarily decrease the performance of the network.
d) All of these.
22. The two various ATM cell formats are
a) UNI and SNI
b)NNI and SSI
c) SNI and NNI
d) UNI and NNI
23. A function of a switch that receives incoming packets on 1 of its link and transmits on a few other link is called as
Stepping
Forwarding
Reversing
Manipulation
24. To decide how to forward a packet, a switch consults a _____________
Connection table
Junction table
Routing table
Entry table
25. A switch has a ___________ topology
Bus
Mesh
Tree
Star
26. A _____________ that uniquely identifies a virtual connection
Virtual accurate Identifier
Virtual circuit identifier
Connection identifier
Network Manager
27. Spanning tree algorithms are used to obtain
Longest path ranging from 2 nodes of a network
Shortest path ranging from 2 nodes of a network
Link failure ranging from 2 nodes
None of the above
28. The method of forwarding of a frame with a destination address on every active port other than the 1 on which the frame was received is called as
Multicasting
Unicasting
Anycasting
Broadcasting
29. The method of forwarding of a frame with a destination address on a group of active ports other than the 1 on which the frame was received is called as
Multicasting
Unicasting
Anycasting
Broadcasting
30. UDP is a --------------
a. simple demultiplexer
b. simple multiplexer
c. host to host delivery service
d. both a&c
31. Pseudo header consists of---------------
a. protocol number
b. source IP address
c. destination IP address
d. all the above
32. UDP stands for ------------

Earning:   Approval pending.