Sunday, 11 December 2016

Computer Networks Multiple Choice Questions - Set 26

1.       The domain name that ends with a period?
(A) completed               (B) incomplete
(C) absolute                  (D) universal
Answer: C
2.       ................. PPP field tell what kind of packet is in the payload field.
(A) Protocol                   (B) Check sum
(C) Control                    (D) None
Answer: C
3.       Type of switching which uses the entire capacity of a dedicated link?
(A) Circuit switching
(B) datagram packet switching
(C) virtual circuit packet switching
(D) Message switching
Answer: A
4.       The ................... is a device that connects n inputs to m outputs.
(A) Cross point             (B) cross bar
(C) modem                    (D) RAM
Answer: B
5.       In which type of switching do all the datagrams of a message follow the same channels of a path?
(A) Circuit switching
(B) datagram packet switching
(C) virtual circuit packet switching
(D) message switching
Answer: C

6.       Which ISDN plane is associated with signaling another D channel?
(A) user                                     (B) control
(C) management         (D) supervise
Answer: A
7.       When you store and forward messages in B-ISDN, you are using ................. services.
(A) Conversational      (B) messaging
(C) retrieval                   (D) distributive
Answer: B
8.       In fiber optics a pulse of light indicates ....................
(A) 1 bit              (B) 0 bit
(C) 1 byte          (D) 8 bits
Answer: A
9.       As we go from long-wave radio towards visible light, the waves behave more and more like ................. and less and less like ..................
(A) radio, light                           (B) light, radio
(C) radio , micro wave             (D) micro wave, light
Answer: B
10.    Multipath fading .................. the signal.
(A) enhances               (B) adds to
(C) cancels                   (D) maximizes
Answer: C


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