Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet?

Which IP addresses are valid for hosts belonging to the 10.1.160.0/20 subnet? (Choose three.)

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

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 = 20 11111111.11111111.1111 0000.00000000
Wildcard: 0.0.15.255 00000000.00000000.0000 1111.11111111
Which implies that:
Network: 10.1.160.0/20 00001010.00000001.1010 0000.00000000
HostMin: 10.1.160.1 00001010.00000001.1010 0000.00000001
HostMax: 10.1.175.254 00001010.00000001.1010 1111.11111110
Broadcast: 10.1.175.255 00001010.00000001.1010 1111.11111111

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twenty + 1 =

Niek

Niek

A – C – D

This subnet has an increment of 16.
That means this subnet ranges from 10.1.160.0 to 10.1.175.255 (because at 10.1.176.0 a new subnet begins)
10.1.160.0 is the network address (answer E is therefore incorrect)
10.1.175.255 is the broadcast address (answer F is therefore incorrect)
10.1.176.1 is the first usable host address for the next subnet (answer B is therefore incorrect).

Only A, C and D are valid host addresses.

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