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本帖最后由 小乔 于 2019-11-19 14:04 编辑
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近期新题考生回忆 ,仅供参考+ @0 F3 V% q1 Y# P* X
1 S2 w, d1 p) m5 a8 T1)Why do clients frequently lose connection at the remote site? (Exhibit of tunnel gre and outputs from devices)
' W, g5 t6 p' z7 |9 u change the source ip which is wrong on R2 ~4 @$ t: `2 w4 r+ q% V
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2) Which configuration command is used to add an IPv6 ACL to an interface?5 F. v) l- {& d" C
ipv6 traffic-filter (in/out)
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, o) z) k5 t ^( t3) Which output is expected in the blank line?: ]; Q2 h$ v) C B1 C7 k
EXSTART
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" w7 l# [. T7 \# y* k4) G1/2 is the root port for SW4, please choose the command so G1/1 can be the new root port?* [. {6 y7 Q n& }% `6 R2 i3 M
spanning-tree cost 5 on interface gi0/2( |1 z5 F7 \# H
# ~3 C) _: S* r5) Which two commands are used to choose uRPF drops?1 ~3 Y& [0 s- i7 q$ @
A. show ip interface
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, I3 [1 ?, _9 G$ D# _6) Which sequence line needs to go to the top to allow the communication from R3 to R2 via ssh.9 H8 M1 [' a' ?8 w# ~
60 permit tcp host 2002:2000:2:2:2::2 host 2000:ABC:20:2:2::2 eq 22
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7) Console session is being closed by a network device, how can this be solved?
2 ^: I" i# |' W6 i) A; X( G3 yApply exec-timeout 0 0 in line console 0
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8) When is uRPF desired to be applied using loose-mode for security reasons.
1 I& `* m) \- J D4 J* y3 ZA. Asymmetric
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: A; n9 @' x& G; S2 e f I$ X9) 2 switches asking why DTP isn’t working one switch Gi other ?& U$ J' n2 C) u/ U7 A7 ~
Different VTP domains % Q! Z Z) n* v9 ? ~0 w* X1 q' R$ P
7 o+ m* B* y, ^( ~10 when is uRPF desired to be applied using loose-mode, please check how this works to answert your questions
4 m0 N* ^5 F, a( ?1 j) j->loose-mode: reply traffic on all interfaces are accepted instead only of the exact outgoing (for multihome connections imporant)
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拖图题
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