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assign'g ip address to an interface.

14 years 5 months ago #32831 by lav_plsb1
Two Routers (R1 and R2) connected using serial s0/0 and s0/1. the Team received an ip address
we need to assign the ip address to serial s0/0 interface for R1 router.
the options available are

Answer shows its A.
Network Id is .72
useable address is .73 and .74.
broadcast is .75
According to my knowledge b is the valid option.
am i doing something wrong. plz explain me to select the right answer.
14 years 5 months ago #32847 by SteveP
The network addresses associated with the /30 mask are:


The correct network address for the /30 subnet is so the router serial ports are and leaving as the broadcast address.

Your assessment of the question is correct as the "block size" (as indicated in one of my other responses to a post that you made) is 4.
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