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HPE7-A04 Exam - Topic 2 Question 12 Discussion

Actual exam question for HP's HPE7-A04 exam

Question #: 12
Topic #: 2

[All HPE7-A04 Questions]

Loopback addresses are very useful for troubleshooting and for device management. What is true about the loopback interfaces?

ANot required for underlay connectivity using OSPF

BShould be avoided if NSX is used as an overlay

CNot required for EVPN VXLAN

DThey need to be advertised for underlay connectivity when using OSPF

Show Suggested Answer

Suggested Answer: A

by Halina at Mar 10, 2025, 12:08 AM

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Becky

8 months ago

C sounds right, EVPN VXLAN doesn't need them for connectivity.

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Jacob

8 months ago

B is a good point, but I think it depends on the specific NSX configuration.

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Edna

8 months ago

Wait, are you sure about that? I thought they were needed for some setups.

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Lawrence

9 months ago

I agree, A is correct!

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Benedict

9 months ago

Loopback interfaces are definitely not required for OSPF underlay.

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Keshia

9 months ago

I vaguely remember that loopback addresses are not required for EVPN VXLAN, so maybe option C is the correct choice here.

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Gennie

9 months ago

I practiced a question similar to this, and I feel like loopback interfaces are important for stability, but I can't recall if they need to be advertised.

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Stephane

9 months ago

I think option A sounds right because loopback interfaces are more for management than actual routing in OSPF.

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Rickie

10 months ago

I remember loopback addresses are often used for testing, but I'm not sure if they need to be advertised for OSPF.

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Novella

10 months ago

I'm a bit confused on the differences between underlay and overlay networking. Maybe I should review those concepts first before trying to answer this question. Don't want to guess and get it wrong.

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Cecily

10 months ago

I've got this one! Loopback interfaces are required for OSPF underlay connectivity, but not for EVPN VXLAN overlay networks. And they should be avoided if NSX is used as the overlay. Easy peasy.

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Denna

10 months ago

Okay, let's see. I know loopback interfaces are important for management and troubleshooting, but I'm not sure how they relate to OSPF and EVPN VXLAN. I'll have to review those topics before deciding.

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Shawnda

10 months ago

Hmm, this one seems tricky. I'll need to think carefully about the differences between underlay and overlay networking to figure out the right answer.

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Margarita

1 year ago

I'm pretty sure C is the way to go. Loopback interfaces are not required for EVPN VXLAN, which is a different overlay technology.

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Theola

1 year ago

Definitely, C is the correct option. Loopback interfaces are not required for EVPN VXLAN.

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Margurite

1 year ago

C) Not required for EVPN VXLAN

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Angella

1 year ago

I agree, C is the right answer. Loopback interfaces are not necessary for EVPN VXLAN.

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Erin

1 year ago

Yeah, loopback interfaces are not required for EVPN VXLAN.

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Barabara

1 year ago

B) Should be avoided if NSX is used as an overlay

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Paulina

1 year ago

A) Not required for underlay connectivity using OSPF

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Aileen

1 year ago

I think C is correct. Loopback interfaces are not needed for EVPN VXLAN.

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Abel

1 year ago

Haha, why would anyone even consider option A? Loopback addresses are always required for underlay connectivity, OSPF or not!

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Helene

1 year ago

B seems like the right choice. Loopback interfaces should be avoided if NSX is used as an overlay.

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Sherman

1 year ago

I think D is the correct answer. Loopback interfaces need to be advertised for underlay connectivity when using OSPF.

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Doyle

1 year ago

D) They need to be advertised for underlay connectivity when using OSPF

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Selma

1 year ago

C) Not required for EVPN VXLAN

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Jin

1 year ago

B) Should be avoided if NSX is used as an overlay

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Bethanie

1 year ago

A) Not required for underlay connectivity using OSPF

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Tawna

1 year ago

But aren't they also needed for underlay connectivity with OSPF?

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Dorothea

1 year ago

I agree, they provide a stable interface for management.

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Jamal

1 year ago

I think loopback addresses are important for troubleshooting.

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