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发表于 2019-4-25 11:11:45
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第5题,我的答案是 B
- k' a, n [3 J+ `# a9 w* j以下是我的理解分析,如有错误,欢迎各位大神批评指正
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Question 5
`$ y' l3 a9 q) o+ P0 STwo hosts (PC A & PC B) in the same subnet (IP addresses 10.10.20.10 & 10.10.20.30, both /24) connected to Layer 2 switches each (using ports g0/5). The layer 2 switches connect to other switches which connects to a Multilayer (L3) switch." i- ]& ~/ I7 n( m' f% ~( R$ {
What is the reason PC A cannot reach PC B?9 x) p5 @) j) I1 N( |$ z0 T
A IP routing is not enabled in the L3 switch
& t! H4 ~# }- p/ p2 Y3 m+ yB Interfaces g0/5 of the switches are in different VLAN8 z$ w, |4 x; R( n0 o$ N; [$ T6 L
C PC A and PC B are in diffetent subnets
8 x, B3 K+ z% G9 d3 [D ………(cant remember)( X7 j" C( w" l/ d" D+ E+ j1 Y+ @
. f M$ ^- J# \5 m8 W首先,题目描述的拓扑图,我的理解应该是这样的
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ASW1
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ASW1
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ASW2
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ASW2
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$ J' z2 y9 A; X: w9 M; m' W2 x当ASW1 E0/0 与 ASW2 E0/0 处于同一VLAN时能ping通
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PING通
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当ASW1 E0/0 与 ASW2 E0/0 处于不同VLAN时,不能ping通/ E+ t) n) E# _7 Y6 }$ J
ASW1 VLAN 10
ASW2 VLAN 20
ping不通
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. n, o7 T# q8 {5 _ a1 `6 y; P附本次实验的 eve 环境
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300-135 Q5.zip
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