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发表于 2019-4-29 15:59:33
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8 A' u2 E i! k! e# z; Z9 P你好,能帮忙 看下这道题 应该选什么吗?
) w2 J4 ]) _9 Z. E% {9 |5 SMultiple 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?+ t" m: f x7 v- k/ C8 e
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4 x5 E" ]1 W) }6 rR3#show running-config
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# j) j# Q9 w% u# U% Iaccess-list 175 permit tcp any any eq 22" A; S7 O3 J" ]
access-list 175 deny ip any any' B, {0 W7 u3 _4 Y
8 v" }& ~4 f3 Rline con 0) ~! k! w1 V: u* @; ~' a$ q* ]
line aux 05 B5 [) ^8 i& ?4 U# l3 O5 W- j; t
line vty 0 4
+ {+ V) T9 v. V% _ access-class 175 in4 c* m4 g3 Q5 o: y
login local
: _" z+ \. M* b/ Z: [( p% q* I7 ? transport input ssh; A4 o. a0 a& d
line vty 5 15
7 w& g- d! J3 ` access-class 175 in2 O5 G. m" o* ] w# P7 N
login local
# T3 I& M; Z' ]" @ transport input ssh
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, v9 |9 g4 m5 W% q6 A( `9 h: x9 lA. remove all configured usernames other than the admin account
! A- H3 j" f) e- n) e& V5 RB. add the aaa authorization command to the global configuration1 h4 W! G! `) ?$ h( x
C. apply the session-limit command to the vty line7 o$ E3 R1 y9 ?( r0 P
D. apply the access-class 175 in command on line con 0- D$ B$ m2 T3 x7 ^& Z4 t- l
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2019-4-29 15:59:33
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