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Computer Networking

Computer Networking
How many non-overlapping channels are available with 802.11a?

23
3
12
40

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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?

Five
Four
Six
Three
Two

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Computer Networking
A data communications system has:

4 components
6 components
5 components
7 components

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Computer Networking
Which layer of international standard organization's OSI model is responsible for creating and recognizing frame boundaries?

transport layer
network layer
physical layer
data link layer
None of these

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Computer Networking
Which of the following commands connect access list 110 inbound to interface ethernet0?

Router(config-if)# ip access-list 110 in
Router(config-if)# ip access-group 110 in
Router(config)# ip access-group 110 in
Router(config)# ip access-list 110 in

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Computer Networking
Which three commands can be used to check LAN connectivity problems on a router?1. show interfaces2. show ip route3. tracert4. ping5. dns lookups

None of these
3 and 5
1 ,2 and 4
2 and 5

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