Juniper Exam JN0-351 Topic 7 Question 16 Discussion

Actual exam question for Juniper's JN0-351 exam

Question #: 16
Topic #: 7

You deployed a new EX Series switch with DHCP snooping enabled and you do not see any entries in the snooping databases for an interface. Which two Juniper configurations for that interface caused this issue? (Choose two.)

AThe interface is configured as a disabled port.

BMAC limiting is enabled on the interface.

CThe interface is configured as a trunk port.

DDynamic ARP inspection is enabled on the interface.

Show Suggested Answer

Suggested Answer: B, D

The two reasons for the failure to form an adjacency in a network running IS-IS could be:

B) There is no configured ISO address on any IS-IS interface.IS-IS requires each router interface to have an ISO address configured.Without this address, the routers cannot form an adjacency1.

D) The family iso configuration is missing from the adjacency interface.The 'family iso' configuration is essential for IS-IS to function correctly.If this configuration is missing from the adjacency interface, it could prevent the formation of an adjacency1.

These explanations are based on the Enterprise Routing and Switching Specialist (JNCIS-ENT) documents and learning resources available at Juniper Networks23.

by Samira at Apr 22, 2024, 09:45 AM

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Margurite

Hmm, I'm thinking it's B and C. MAC limiting and trunk ports can definitely cause issues with DHCP snooping.

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Walker

6 days ago

I don't think it's because of MAC limiting. I believe the interface being configured as a trunk port could also be causing the issue.

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Selma

8 days ago

I agree with Antonio, that could be one of the reasons. Maybe MAC limiting is also enabled on the interface.

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Antonio

14 days ago

I think the issue might be because the interface is configured as a disabled port.

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