CS-68 Computer Networks Jan.-2001
Question Paper of CS-68 Computer Networks Jan.-2001
Ql(i). Which transmission mode (Simplex, half duplex or full can be compared to the following? Justify your answer.
(i) Counseling Session being
(ii) A Computer to printer
(iii) A radio broadcast
(iv) A telephonic conversion
Ql(ii) Which OSI layer is responsible for the following:
a) Providing end to end communicate with reliable service
b) Providing node to mode communication with reliable service
c) Fragmentation
d) Congestion handling
e) Remote login
f) Crash recovery
Ql(iii) Match the following to a topology types:
(i) New devices can be added easily
(ii) Control is through a central device
(iii) Failure of a device not cause system failure
Ql(iv) List the basic specifications for the following cable types:
(a) Twisted-Pair cables
(b) Coaxial cables
© Fiber optic
Ql(v) What advantages does TCP have over UDP, what are the features which make TCP a reliable protocol?
Ql(vi) Should Connection establishment be a confirmed service or unconfirmed services ? what about data transfer in a connection-oriented services ? Connection release?