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Computer Networking

Computer Networking
What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?

30
16
14
15

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Computer Networking
What is the default subnet mask for a class C network?

255.255.255.0
255.255.0.0
None of these
255.0.0.0
127.0.0.1

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Computer Networking
Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?

B
A
G
N

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Computer Networking
Different computers are connected to a LAN by a cable and a/an

interface card
modem
telephone lines
special wires
None of these

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Computer Networking
In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?

After broken links are reestablished
During high-traffic periods
In an improperly implemented redundant topology
When upper-layer protocols require high reliability

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Computer Networking
What is the first octet range for a class B IP address?

192 - 223
128 - 191
127 - 191
128 - 255
1 - 127

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