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发表于 2019-4-29 15:59:33
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, w& l Q6 s! E' ]你好,能帮忙 看下这道题 应该选什么吗?
) u m8 i% X1 ~6 QMultiple users are logging into R3 via telnet and making changes at the same time.which action will restrict the number of users logging into R3 simultaneously? G- a) i6 N* W8 W3 @
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R3#show running-config
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* H7 N" `7 e& `access-list 175 permit tcp any any eq 22
2 i$ x$ B# _" C* F/ m8 S' x* Naccess-list 175 deny ip any any
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line con 0: s$ I9 O4 ~1 A4 {& A# |# w
line aux 02 m7 N* R- t% s
line vty 0 44 a8 n O) j. ~" A' ^
access-class 175 in
9 f2 j! [! c G5 u5 b login local
7 U1 O1 \; S- e! E# \ transport input ssh
9 A, @& u" w6 q* Z7 W. w7 J0 tline vty 5 157 j) s" T# ~# f$ R
access-class 175 in
% R/ y% K# n" p+ v login local / K! o. Q0 N4 E* [) {
transport input ssh
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A. remove all configured usernames other than the admin account
9 @: ~) p7 M% o6 @* d* YB. add the aaa authorization command to the global configuration
* x, X! O+ s4 \$ w1 Y; vC. apply the session-limit command to the vty line! [! x0 [, O7 P4 _ j8 q
D. apply the access-class 175 in command on line con 0
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2019-4-29 15:59:33
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