Question Detail

Which performs modulation and demodulation

Modem
Fiber optic
satellite
coaxial cable

Answer: Option A

Similar Questions :

1. Videotax is combination of

communication
television
computer technology
all of above

Answer: Option D

2. Frequency range 300 kHz to 3 MHz is used for

AM radio transmission
FM radio transmission
TV radio transmission
None of above

Answer: Option A

3. X.25 standard specifies

technique for start-stop data
technique for dial access
DTE/DCE interface
data bit rate

Answer: Option C

4. Name of the topology in which there are bidirectional links between each possible nodes

Ring
Mesh
Star
Tree

Answer: Option B

5. A communication network which is used over regional, national or global area is

LAN
WAN
MAN
VAN

Answer: Option B

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