请问CCNP安全方向这道题应该选什么答案？

mango007 · 发表于 2021-6-28 06:59:17

A network administrator configures Dynamic ARP Inspection on a switch. After Dynamic ARP Inspection is applied, all users on that switch are unable to communicate with any destination. The network administrator checks the interface status of all interfaces, and there is no err- disabled interface. What is causing this problem?

A.The ip arp inspection limit command is applied on all interfaces and is blocking the traffic of all users.
B.DHCP snooping has not been enabled on all VLANs.
C.The no ip arp inspection trust command is applied on all user host interfaces
D.Dynamic ARP Inspection has not been enabled on all VLANs Answer: B

jagger8881411 · 发表于 2021-6-28 10:01:12

C 吧

mango007 · 发表于 2021-6-28 11:29:56

jagger8881411 发表于 2021-6-28 10:01* g* S1 @' ]% v4 x7 W# O2 n$ T. L
C 吧

答案给的好像B 小哥你也考安全么

yxh1128 · 发表于 2021-6-28 14:06:02

Prefer to A.

vesim1 · 发表于 2021-6-28 19:52:02

qz19860508 · 发表于 2021-6-29 10:47:25

本帖最后由 qz19860508 于 2021-6-29 10:49 编辑

就是B没错，DHCP snooping 是arp inspection 的前置条件，apr inspection 需要调用dncp snooping 建的arp库

thamky · 发表于 2021-6-30 14:29:00

B, Dynamic ARP inspection uses the DHCP snooping binding database for the list of valid IP-to-MAC address bindings.

jagger8881411 · 发表于 2021-6-30 15:31:03

ok

hezhishun3261 · 发表于 2021-7-2 15:51:28

赞赞赞

rimara123 · 发表于 2021-7-2 17:22:54

谢谢你的分享

Calica23 · 发表于 2021-7-3 02:39:32

Thank you!!!

hhhaa · 发表于 2021-7-10 15:17:31

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mango007 · 发表于 2021-8-13 11:40:05

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[其他] 请问CCNP安全方向这道题应该选什么答案？

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