CCNA sample Q clarification

Studying for the CCNA exam, I came across the following sample question:

Which of the following is an example of a valid unicast host IP address? A. 172.31.128.255./18 B. 255.255.255.255 C. 192.168.24.59/30 D. FFFF.FFFF.FFFF E. 224.1.5.2 F. All of the above

It looks like "none of the above" to me, but the stated answer was "A". Isn't 172.31.128.255/18 a broadcast address?

Carlos

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Posted 5 years ago by Carlos Trout in Cisco Systems

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