please help me with this question

1. You have a network with a subnet of 172.16.17.0/22. Which are valid host addresses? A. 172.16.17.1 255.255.255.252 B. 172.16.0.1 255.255.240.0 C. 172.16.20.1 255.255.254.0 D. 172.16.16.1 255.255.255.240 E. 172.16.18.255 255.255.252.0 F. 172.16.0.1 255.255.255.0

The given answer is E only,but I think A is right too.

A Class B network ID with a /22 mask is 255.255.252.0, with a block size of 4 in the third octet. The network address in the question is in subnet 172.16.16.0 with a broadcast address of 172.16.19.255.

No, only E - check the subnet mask on answer A, it's /30

For the other one, yeh, only A and B look right to me

I am not sure where they got their answers for this. However I'm going to agree with everybody else and say A and B are the only valid answers.

IP Address: 110.68.4.0 Network Address: 110.68.0.0 Broadcast Address: 110.68.63.255

I checked my subnet math aga> 11. Which of the following IP addresses fall into the CIDR block of

I'm not sure where you got the information, but you may want to see if the website you got the study material from is in our database.

thanks,