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发表于 2019-4-29 15:59:33
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/ ~( V8 d* H- i8 A5 j你好,能帮忙 看下这道题 应该选什么吗? j; Z/ I5 Y( z
Multiple 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?
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R3#show running-config e' l9 z8 v6 [) p* L" ?# v
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3 `! v: R/ X. r; b5 M, P1 Caccess-list 175 permit tcp any any eq 22
! A$ `$ G2 S% W3 @7 R( X; Waccess-list 175 deny ip any any9 }" @( \# |, L" E; k
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line con 0# H9 J0 I! M5 L1 J0 r: o: i
line aux 0 F' N7 t) {' c) h* y5 J
line vty 0 43 O0 ?3 G/ H1 Y" C& W7 k, h
access-class 175 in' ?0 E& k. i% i
login local # p: e" u2 u- E; F" B
transport input ssh2 v3 m1 L! X& y |
line vty 5 158 H% o9 q- a6 k" z7 {
access-class 175 in( o7 R, s* P9 l& ?# \
login local
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A. remove all configured usernames other than the admin account$ u5 `( P$ ~: v1 [8 a+ i
B. add the aaa authorization command to the global configuration
5 w1 m5 d0 a5 L# X$ w H) [9 f4 mC. apply the session-limit command to the vty line
, D9 M# s' Z1 a$ |9 Q* K: RD. apply the access-class 175 in command on line con 01 V$ M" f- @9 {+ |! K% G
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