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Computer Networking

Computer Networking
A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be

5
32
20
10
None of these

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Computer Networking
The encoding method specified in the EIA-232 standard is _____.

Differential Manchester
Manchester
NRZ-L
NRZ-I
None of these

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Computer Networking
A 6-MHz channel is used by a digital signaling system utilizing 4-level signals. What is the maximum possible transmission rate?

None of these
12 Mbaud/sec
24 Mbaud/sec
6 Mband/sec
1.5 Mbaud/sec

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Computer Networking
Which of the following is used for modulation and demodulation?

gateway
modem
None of these
protocols
multiplexer

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Computer Networking
A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent?

128 kbps
None of these
32 kbps
64 kbps.
8 kbps

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Computer Networking
What protocol is used to find the hardware address of a local device?

IP
ARP
RARP
ICMP

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