1. BSC
stands for ..................
(A) Binary synchronous control
(B) Binary synchronous communication
(C) Bit-oriented synchronous communication
(D) Byte-oriented synchronous communication
Answer: B
2. HDLC
is an acronym for ....................
(A) high - duplex line communication
(B) high -level data link control
(C) half - duplex digital link combination
(D) host double level circuit
Answer: B
3. Decryption
and Encryption of data are the responsibility of which of the following layer?
(A) Session layer (B) Network layer
(C) Transport layer (D) Presentation layer
Answer: D
4. The
components in the domain name space are separated by ....................
(A) Comma (B)
Dot
(C) Colon (D)
Semi colon
Answer: B
5. ...............
protocol is used for constant bit rate.
(A) AAL1 (B)
AAL2
(C) AAL ¾ (D)
AAL5
Answer: A
6. In
ATM network ................. message is used by a source host to set up a
connection.
(A) SET UP (B) Call PROCEEDING
(C) CONNECT (D) RELEASE
Answer: A
7. How
many class A, B and C networks IDs can exist?
(A) 2,113,658 (B)
16,382
(C) 126 (D)
128
Answer: A
8. Which
of the following TCP/IP internet protocol, a diskless machine uses to obtain
its IP address from a server?
(A) RDP (B)
ARP
(C) RARP (D)
RIP
Answer: C
9. A
single transport layer connection split and connects the different network connections
is called .........................
(A) Upward multiplexing (B) Downward multiplexing
(C) Congestion control (D) None of these
Answer: B
10. What
type of addressing is specifically used by the transport layer?
(A) station address (B) application program port address
(C) dialog address (D) network address
Answer: B
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