Thursday, 10 December 2015

Computer Networks Multiple Choice Questions - Set 12

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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