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CompTIA®
Network+ Certification: Network+ practice questions
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Q1. Which of the following is Class C IP address?
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A.
10.10.14.118
B.
135.23.112.57
C.
191.200.199.199 D. 204.67.118.54
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Correct Answer: D.
Explanation: IP
addresses are written using decimal numbers separated by decimal points. This is
called dotted decimal notation of expressing IP addresses.
The
different classes of IP addresses is as below:
Class
Format Leading Bits
Network address Range Max.
# of networks
A
N.H.H.H
0
0 - 126
127
B
N.N.H.H
10
128 - 191
16,384
C
N.N.N.H
110
192 - 223
2,097,152
Network
address of all zeros means "This network or segment".
Network
address of all 1s means " all networks", same as hexadecimal of all
Fs.
Network
number 127 is reserved for loopback tests.
Host(Node)
address of all zeros mean "This Host (Node)".
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