Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose three.)
A . 10.1.168.0
B . 10.1.176.1
C . 10.1.174.255
D . 10.1.160.255
E . 10.1.160.0
F . 10.1.175.255
Answer: ACD
Explanation:
All IP address in IP ranges between: 10.1.160.1 and 10.1.175.254 are valid as shown below
Address: 10.1.160.0 00001010.00000001.1010 0000.00000000
Netmask: 255.255.240.0 =2011111111.11111111.1111 0000.00000000
Wildcard: 0.0.15.25500000000.00000000.0000 1111.11111111
Which implies that
Network: 10.1.160.0/20 00001010.00000001.1010 0000.00000000
HostMin: 10.1.160.100001010.00000001.1010 0000.00000001
HostMax: 10.1.175.25400001010.00000001.1010 1111.11111110
Broadcast: 10.1.175.25500001010.00000001.1010 1111.11111111
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