Which answer gives the reason for the omission?

Router R1 has working interfaces S0/0, S0/1, and S0/2, with IP address/prefix combinations
of 10.10.10.1/24, 10.10.11.2/24, and 10.10.12.3/22. R1’s configuration includes the
commands router eigrp 9 and network 10.0.0.0. The show ip eigrp interfaces command lists
S0/0 and S0/1 in the command output, but not S0/2. Which answer gives the reason for the
omission? (Choose two answers.)

Router R1 has working interfaces S0/0, S0/1, and S0/2, with IP address/prefix combinations
of 10.10.10.1/24, 10.10.11.2/24, and 10.10.12.3/22. R1’s configuration includes the
commands router eigrp 9 and network 10.0.0.0. The show ip eigrp interfaces command lists
S0/0 and S0/1 in the command output, but not S0/2. Which answer gives the reason for the
omission? (Choose two answers.)

A.
R1 has EIGRP neighbors reachable via S0/0 and S0/1, but not via S0/2, so it is not
included.

B.
S0/2 may currently be in a state other than up/up.

C.
The network 10.0.0.0 command requires the use of mask 255.0.0.0 due to EIGRP being
classful by default.

D.
S0/2 may be configured as a passive interface.

Explanation:
The show ip eigrp interfaces command displays working (up/up) interfaces on which EIGRP
has been enabled but omits passive interfaces. A failure of the interface, or making the
interface passive, would omit the interface from the output of this command.



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