Multiple choice

Given IP address 128.8.129.43 and the subnet mask 255.255.31.0. What is the subnet address?

  1. 128.8.129.0

  2. 128.8.1.0

  3. 128.0.0.0

  4. 128.8.1.1

  5. 128.8.55.0
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Changing the address into binary form and bit wise anding the ip address with mask address will give a subnet address.IP address 10000000.00001000.10000001.00101001 bit-wising anding with mask 11111111.11111111.00011111.00000000 will give subnet address 1000000.00001000.00000001.00000000(128.8.1.0)

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