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Huawei H12-891_V1.0 Exam - Topic 5 Question 78 Discussion

What can be determined from the following IS-IS peer output?Peer information for ISIS(1):Peer System ID: ee8c.a0c2.baf3Interface: GE0/0/0State: UpHoldTime: 7sType: L1PRI: 64MT IDs supported: 0(UP), 2(UP)Local MT IDs: 0, 2Area Address(es): 49.0022Peer IP Address(es): 10.1.34.1Peer IPv6 Address(es): FE80::2E0:FCFF:FE98:2576
A) Both IPv4 and IPv6 IS-IS neighbor relationships are established between R4 and ee8c.a0c2.baf3.
B) R4 does not have any IS-IS neighbors.
C) Only an IPv4 IS-IS neighbor relationship is established between R4 and ee8c.a0c2.baf3.
D) Only an IPv6 IS-IS neighbor relationship is established between R4 and ee8c.a0c2.baf3.

Huawei H12-891_V1.0 Exam - Topic 5 Question 78 Discussion

Actual exam question for Huawei's H12-891_V1.0 exam
Question #: 78
Topic #: 5
[All H12-891_V1.0 Questions]

What can be determined from the following IS-IS peer output?

Peer information for ISIS(1):

Peer System ID: ee8c.a0c2.baf3

Interface: GE0/0/0

State: Up

HoldTime: 7s

Type: L1

PRI: 64

MT IDs supported: 0(UP), 2(UP)

Local MT IDs: 0, 2

Area Address(es): 49.0022

Peer IP Address(es): 10.1.34.1

Peer IPv6 Address(es): FE80::2E0:FCFF:FE98:2576

Show Suggested Answer Hide Answer
Suggested Answer: A

Comprehensive and Detailed

The IS-IS peer output shows:

IPv4 Peer Address: 10.1.34.1

IPv6 Peer Address: FE80::2E0:FCFF:FE98:2576

MT IDs (Multi-Topology) Supported: 0 (IPv4), 2 (IPv6)

Since both IPv4 and IPv6 peer addresses are listed, it confirms that both IPv4 and IPv6 IS-IS neighbor relationships are established between R4 and ee8c.a0c2.baf3.

Reference: Huawei HCIE Datacom -- IS-IS Multi-Topology Support


by Nadine at Apr 01, 2026, 03:17 PM

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Richelle
2 months ago
But the output shows both IPs. A is definitely the best choice.
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Alethea
2 months ago
I feel like C makes sense too. Only IPv4 is mentioned in some contexts.
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Florinda
2 months ago
I think A is correct. Both IPv4 and IPv6 are up.
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Jeff
3 months ago
C is misleading, both types are supported.
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Elenore
3 months ago
Wait, are we sure about both IPv4 and IPv6? Seems odd.
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Carissa
3 months ago
B is definitely wrong, there are neighbors here.
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Ellsworth
5 months ago
Totally agree with A! Both protocols are up.
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Ellsworth
5 months ago
A) Both IPv4 and IPv6 IS-IS neighbor relationships are established.
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Geraldo
5 months ago
I’m confused because it mentions both IPv4 and IPv6 addresses, but I wonder if that means only one type is established. Could it be C or D?
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Venita
6 months ago
I feel like I’ve seen a question like this before, and it seems like the presence of both IP addresses suggests A is the right choice.
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Fernanda
6 months ago
I remember something about the state being "Up" indicating a neighbor relationship, but I can't recall if that means both IPv4 and IPv6 are active.
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King
6 months ago
I think the output shows both IPv4 and IPv6 addresses, so maybe A is correct? But I'm not entirely sure.
upvoted 0 times
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