Cisco 300-610 Exam - Topic 9 Question 116 Discussion

Actual exam question for Cisco's 300-610 exam

Question #: 116
Topic #: 9

An engineer must design Layer 2 connectivity for a subnet between two data centers. The engineer must ensure seamless host mobility and optimal first-hop routing. Which attribute must be synchronized across all data centers to achieve this goal?

ANX-OS version

BDCNM to manage both fabrics

Cmulticast group

Danycast gateway MAC

Show Suggested Answer

Suggested Answer: D

by Gretchen at Nov 24, 2025, 04:35 AM

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Rolande

4 months ago

I feel D) is the best choice for optimal routing.

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Graciela

5 months ago

A) NX-OS version matters too, but not as much as D).

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Raylene

5 months ago

B) is important, but without D), mobility suffers.

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Terry

5 months ago

But what about B) DCNM? It manages the fabrics well.

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Lavera

5 months ago

I agree, D) is crucial for routing efficiency.

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Alaine

5 months ago

I think it's D) anycast gateway MAC. It helps with seamless mobility.

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Tambra

5 months ago

Surprised this is even a question! Anycast is a no-brainer here.

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Eric

6 months ago

Agreed with Latia, anycast is the way to go!

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Alaine

6 months ago

Wait, are we sure about D)? I thought multicast groups were key too.

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Hubert

6 months ago

D) for the win! Gotta love those anycast gateway MACs.

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Roselle

7 months ago

Haha, I bet the engineer is scratching their head trying to figure this one out. D is the way to go though.

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Alpha

7 months ago

D) all the way! Anycast gateway MAC is the solution here.

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Lacey

7 months ago

I'm going with D. Anycast gateway MAC is the way to go for this use case.

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Barrett

7 months ago

Definitely D. Synchronizing the anycast gateway MAC across data centers is the key to achieving this requirement.

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Jenelle

7 months ago

I’m a bit confused, but I recall that the NX-OS version should be the same for compatibility. Still, I don’t think that’s the main focus here.

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Latia

7 months ago

I practiced a similar question, and I feel like synchronizing the DCNM would be crucial for managing both fabrics effectively. So maybe B)?

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Tiera

8 months ago

I'm not entirely sure, but I remember something about multicast groups being important for Layer 2 connectivity. Could it be C)?

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Fletcher

8 months ago

I think the answer might be D) anycast gateway MAC, since it helps with seamless host mobility across data centers.

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Pansy

8 months ago

Hmm, I'm not totally sure about this one. I'm thinking it might be the DCNM to manage both fabrics, since that could help coordinate the configuration and state across the data centers. But I'm not 100% confident on that.

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Rose

8 months ago

Alright, let's break this down. The key is ensuring seamless connectivity, so I'm leaning towards the anycast gateway MAC. That would allow hosts to maintain the same default gateway even as they move between data centers.

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Karima

8 months ago

I'm a bit confused on this one. Is it asking about a specific protocol or technology that needs to be synchronized? The multicast group option seems interesting, but I'm not sure how that would relate to the mobility and routing requirements.

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Latia

9 months ago

Definitely D) anycast gateway MAC. That's crucial for seamless mobility.

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Vesta

9 months ago

D) anycast gateway MAC is the correct answer. This ensures seamless host mobility and optimal first-hop routing.

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Nieves

9 months ago

I think B) DCNM is also important for management, though.

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Chauncey

9 months ago

Okay, I've got a few ideas here. I'm thinking it might be the anycast gateway MAC, since that would allow for consistent default gateway addressing across the data centers.

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