Refer to the exhibit,a network administrator cannot establish a telnet session with the indicated router.What is the cause of this failure?()
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
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Refer to the exhibit,a network administrator canno 计算机类考试 2020-05-31 …
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A router receives information about network 192.16 计算机类考试 2020-05-31 …
A network administrator receives an error message 计算机类考试 2020-05-31 …