You are right, this is a class B address, but they are masking the third
octet and using the last octet for hosts. Since the broadcast is where all
host bits are used you end up with 255 as the broadcast address. 2^8-2=254
available host ids with 255 being the broadcast ID.
Jon
----- Original Message -----
From:
To:
Sent: Monday, October 01, 2001 2:09 PM
Subject: Quick Q? [1:6298]
> Hello,
>
> While going through the boson test, I came about ths question.
>
> 1. What is the directed broadcast given the IP address 155.44.12.131
> 255.255.255.0?
> a) 155.44.0.255
> b) 155.44.255.255
> c) 155.255.255.255
> d) 0.0.0.0
> e) 255.255.255.255
> f) 155.44.12.255
>
> Although the boson test says the answer is F. I think the answer should be
> B,
> because it is a class b address.
> Also why did they put the default mask as 255.255.255.0, when it's a class
b
> address and not class c.
> Can anyone pls clarify these?
>
> Much Appreciated.
>
> Tee.
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