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Computer Networking

Computer Networking
What is the minimum number of wires required for sending data over a serial communications links?

1
3
4
None of these
2

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Computer Networking
Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?

Three
Two
Six
Five
Four

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Computer Networking
Which protocol does DHCP use at the Transport layer?

UDP
ARP
IP
TCP

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Computer Networking
You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

255.255.252.0
255.255.255.252
255.255.255.240
225.255.254.0

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Computer Networking
In a synchronous modem, the receive equalizer is known as

compromise equalizer
adaptive equalizer
statistical equalizer
None of these
impairment equalizer

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Computer Networking
With an IP address starting at 200, you currently have 10 subnets. What subnet mask should you use to maximize the number of available hosts?

248
240
192
252
224

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