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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