Refer to the exhibit,a network administrator cannot establish a telnet session with the indicated router．What is the cause of th

admin2019-04-08 41

问题 Refer to the exhibit,a network administrator cannot establish a telnet session with the indicated router．What is the cause of this failure?

选项 A、 A level 5 password is not set
B、 The vty password is missing
C、 The console password is missing
D、 An ACL is blocking Telnet access

答案B

解析

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