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Computer Networking

Computer Networking
If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.

even
42
odd
indeterminate

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Computer Networking
With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts?

252
224
240
248
192

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Computer Networking
One important characteristic of the hub architecture of ARC-net is

directionalized transmission
multiple virtual networks
access control and addressing
None of these
alternative routing

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Computer Networking
Internet-like networks between a company and its business partners. Select the best fit for answer:

Switching alternating
Bandwidth alternatives
Extranets
Inter organizational networks

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Computer Networking
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.

3, 3, 2, none
3, 2, 1, none
3, 2, 1, 7
All of these
3, 3, 1, 7

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

23
12
40
3

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