【单选题】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 command s router eigrp 9 ...
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.
【简答题】第二节 完形填空(共20小题;每小题1. 5分,满分30分) 阅读下面的短文,掌握其大意,然后从21~40各小题所给的四个选项(A、B、C和D)中,选出最佳选项。 Each age has its pleasure and its pains. The happiest person is the one who 21 what each age gives him without 22 any ...