GATE Papers >> CSE >> 2017 >> Question No 120

Question No. 120 CSE | GATE 2017

The maximum number of IPv4 router addresses that can be listed in the record route (RR) option filed of an IPv4 header is _______. 


Answer : 9.0 to 9.0


Solution of Question No 120 of GATE 2017 CSE Paper

In IPv4, options and padding 40 bytes are alloted.

Maximum nine routers addresses are allowed.

Each IPv4 address is 32 bits or 4 bytes

So,        $ 4\times9=36 $ bytes

Extra bytes are used for the option.

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