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Computer Networking

Computer Networking
What is the maximum distance running the lowest data rate for 802.11g?

About 350 feet
About 300 feet
About 100 feet
About 175 feet

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Computer Networking
What are reasons for creating OSPF in a hierarchical design?1. To decrease routing overhead2. To speed up convergence3. To confine network instability to single areas of the network4. To make configuring OSPF easier

3 and 4
2, 3 nd 4
3 only
1, 2 and 3

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Computer Networking
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Amplitude modulation
Amplitude
Aloha
Amplitude-shift keying
None of these

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Computer Networking
Select the cable that uses copper conductor, accept and transport signals in the form of electric current?

Fiber-optic cable
All of these
Metallic cable
Twisted pair cable

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Computer Networking
Segmentation of a data stream happens at which layer of the OSI model?

Network
Data Link
Physical
Transport

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Computer Networking
Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.

P I (K + 1)
None of these
KIK (1 + F)
K I (K - P)
1/ (1 - F)

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