求解答

baidu1230

题库里的下面的这道题，答案B对吗
我感觉答案不对劲就查了一下，大部分都说答案是C.

QUESTION 293
Refer to the exhibit. A system administrator installed a new switch using a script to configure it. IP
connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using Telnet from
SwitchA failed. Which statement is true?

图略

A. Executing password recovery is required.
B. The virtual terminal lines are misconfigured.
C. Use Telnet to connect to RouterA and then to NewSwitch to correct the error.
D. Power cycle of NewSwitch will return it to a default configuration.
Answer: B
Section: Chapter 9: Switching
Explanation/Reference:
B.虚拟终端（VTY）配置不正确

参考
http://certcollection.org/forum/topic/97131-need-help-in-understanding-rtsp-question-from-dump/
http://640-802.in/2012/04/ccna-640-802-exam-questions-chapter-1-36-40/

http://www.certprepare.com/forum/index.php?showtopic=1173

zhenqiangbill

telnet登陆交换机交换机上必须设置vty line,vty线路不正确自然登陆不上去。我是这么理解的