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Refer to the following IP routing table on the router R1. If R1 sends a data packet with the destination IP address 10.0.2.2, which of the following interfaces will R1 use to send the packet?
The answer is C.
I compare the binary representations of the destination IP with the network address and subnet mask of options C and D.
Route D:
Matching bits: 24 bits (all bits in the network portion match)
Route C:
Matching bits: 32 bits (all bits match, including the host portion)
Although both routes share the same network address (10.0.2.0), option C has a longer matching prefix (32 bits vs. 24 bits).
LPM (Longest Prefix Match) prioritizes the most specific route, so in this case, option C (10.0.2.2/32) will be chosen for forwarding the packet.
The answer is D.
I compare the binary representations of the destination IP with the network address and subnet mask of routes C and D.
Route C:
Matching bits: 24 bits (all bits in the network portion match)
Route D:
Matching bits: 32 bits (all bits match, including the host portion)
Although both routes share the same network address (10.0.2.0), Route D has a longer matching prefix (32 bits vs. 24 bits).
LPM (Longest Prefix Match) prioritizes the most specific route, so in this case, Route D (10.0.2.2/32) will be chosen for forwarding the packet.
I think the answer is C. Ethernet 0/0/1
Bacause have same proto, cost but will using longest match mecanism
upvoted 1 times
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