You have subnetted a Class A address space of 17000 using a

You have subnetted a Class A address space of 17.0.0.0 using a subnet mask of 255.248.0.0. Which of the following addresses are useable host addresses for the second subnet?

A. 17.0.8.255

B. 17.0.14.255

C. 17.0.11.255

D. 17.0.15.255

E. 17.0.19.255

Solution

Option A, B, and C.

Explanation: The magic number created by the 255.248.0.0 subnet mask is 8 (in the second octet).The second subnet is 17.8.0.0, with a useable range of 17.8.0.1 through 17.15.254

You have subnetted a Class A address space of 17.0.0.0 using a subnet mask of 255.248.0.0. Which of the following addresses are useable host addresses for the s

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