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A router is configured with the following commands. enable configure terminal in

ID: 3864434 • Letter: A

Question

A router is configured with the following commands.
enable
configure terminal
interface f0/1
no shutdown
interface f0/1.10
encapsulation dot1q 10
ip address 192.168.10.126 255.255.255.192
interface f0/1.15
encapsulation dot1q 15
ip address 192.168.10.254 255.255.255.192
interface f0/1.20
encapsulation dot1q 20
ip address 192.168.10.62 255.255.255.192
end
A packet with destination IP address 192.168.10.78 arrives on the above router's interface. Which exit interface will the router use to forward the packet? Assume everything is working correctly.

A      Fast Ethernet 0/1.10
B     Fast Ethernet 0/1.15
C      Fast Ethernet 0/1.20
D     This is not a valid IP address.
E     There is not enough information to answer this question.

Explanation / Answer

A packet with destination IP address 192.168.10.78 arrives on the above router's interface. Which exit interface will the router use to forward the packet? Assume everything is working correctly.
Fast Ethernet 0/1.20

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