1. The
address field of a frame in HDLC protocol contains the address of the
.................. station.
(A) primary (B)
secondary
(C) tertiary (D)
a station
Answer: B
2. In
................... transmission, the channel capacity is shared by both
communicating devices at all times.
(A) Simplex (B)
half-duplex
(C) full-duplex (D) automatic
Answer: C
3. The
DNS name space is divided into non overlapping ......................
(A) regions (B)
blocks
(C) divisions (D)
zones
Answer: D
4. Source
routing bridges in the same LANs must have ............... bridge Number.
(A) Same (B)
Different
(C) Source (D)
Destination
Answer: B
5. Repeater
function in the ...................... layer.
(A) Physical (B)
Data link
(C) Network (D)
None of these
Answer: A
6. A
repeater takes a weakened or corrupted signal and ............... it.
(A) Amplifies (B) Regenerates
(C) Resample (D)
Reroute
Answer: B
7. The
PSTN is an example of ................. network.
(A) packet-switched (B) circuit-switched
(C) message-switched (D) TSI
Answer: B
8. In
a time division switch, a .................. governs the destination of a
packet stored in RAM.
(A) TDM bus (B) cross bar
(C) cross point (D) control unit
Answer: D
9. How
many cross points are needed in a single stage switch with 40 inputs and 50
outputs.
(A) 40 (B)
50
(C) 90 (D)
2000
Answer: D
10. The
................. of A TSI controls the order of delivering of slot values that
are stored in RAM.
(A) cross bar (B) cross point
(C) control unit (D) transceiver
Answer: D
0 Comments