A buddy and I are currently preparing for the BSCN exam.
One of the review questions involving route summarization is as follows:
172.21.136.0/24 and 172.21.143.0/24 can be summarized as: ??
We both came to the same conclusion:
^
172.21.136.0 -> 10101100.00010101.10001000.00000000
172.21.143.0 -> 10101100.00010101.10001111.00000000
^
Both addresses have the first 20 bits in common so the summarized address
would
be:
172.21.136.0/21
However, Cisco says the answer is 172.21.134.0/21
Can someone please confirm we summarized this route right. I think the test
from Cisco is wrong, typo or something
Dyland
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