I believe that answer D is correct and here is why
Vaslid hosts in the network 172.16.0.0/19 are as follows
172.16.64.1-172.16.95.254
172.16.128.1-172.16.159.254
172.16.192.1-172.16.223.254
172.16.32.1-172.16.63.265
172.16.160.1-172.16.191.254
172.16.96.1-172.16.127.254
.255 is broadcast
>>> "John Neiberger" <[EMAIL PROTECTED]> 03/15/01 11:19AM >>>
I think I'll side with those who say there is no correct answer, but
there is an answer that's closer to being correct than the others. :-)
The question is asking for a valid host in the 172.16.0.0/19 range.
Answer D is not in that range! It is in the 172.16.64.0/19 network.
Valid host addresses in the 172.16.0.0/19 range are:
172.16.0.1 through 172.16.31.254
I would agree that by making a subtle adjustment to the question,
answer D is the only answer possible. Given a /19 prefix length, the
only possible host address given in the answers is D, which forces us to
change the question to fit the answer.
This just appears to be a poorly worded question that not only allows
you to figure out the most-correct answer eventually but also forces you
to deduce what the actual question is in the first place. <g> In other
words, it's a typical Cisco test question!
Regards,
John
>>> "Arthur Simplina" <[EMAIL PROTECTED]> 3/15/01 8:46:27 AM >>>
d. 172.16.80.255
This belongs to subnet 172.16.64.0 with host range of 172.16.64.1 -
172.16.95.254.
Arthur
>From: "Bruce" <[EMAIL PROTECTED]>
>Reply-To: "Bruce" <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Sample CCNA test question..bogus?
>Date: Thu, 15 Mar 2001 15:11:07 +1100
>
>Q. Which one of the following is a valid host using the address of
>172.16.0.0 /19?
>
>a. 172.16.32.0
>
>b. 172.16.64.0
>
>c. 172.16.63.255
>
>d. 172.16.80.255
>
>
>
>Which one and why?
>
>(I say none of them. Am I going mad?)
>
>
>
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