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Huawei H12-821_V1.0 Exam Overview:

Certification Vendor:Huawei
Exam Name:HCIP-Datacom-Core Technology V1.0
Exam Number:H12-821_V1.0
Exam Format:True/false, Drag-and-drop, Single-choice, Fill-in-the-blank, Multiple-choice
Passing Score:600/1000
Real Exam Qty:60
Certificate Validity Period:3 years
Exam Duration:90 minutes
Exam Price:300 USD
Available Languages:English, Chinese, Japanese
Related Certifications:HCIP-Datacom-Advanced Routing & Switching Technology V1.0
HCIA-Datacom
Recommended Training:Huawei Official HCIP-Datacom Training
Exam Registration:Pearson VUE Registration
Sample Questions:Huawei H12-821_V1.0 Sample Questions
Exam Way:Online proctored or onsite testing at Pearson VUE centers
Pre Condition:Recommended to have HCIA-Datacom certification or equivalent knowledge and 1–2 years of network engineering experience
Official Syllabus URL:https://e.huawei.com/en/talent/certification/exam/h12-821_v1.0

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Huawei H12-821_V1.0 is a certification exam that validates the skills and knowledge of individuals seeking a career in the field of data communication. H12-821_V1.0 exam is designed to assess the candidate's understanding of core data communication technologies and their ability to design and deploy data communication networks using Huawei products.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q180-Q185):

NEW QUESTION # 180
After the administrator of an enterprise deploys a DHCP server, employees complain that their clients cannot obtain IP addresses from the DHCP server. Which of the following may cause this problem?

Answer: A,D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
DHCP Configuration Issues:
Option C:The DHCP function isdisabled by defaulton Huawei devices. If the administrator forgets to enable it, clients cannot receive IP addresses.
Option D:DHCP uses broadcast messages, which do not traverse routers. If the clients and DHCP server are on different subnets, aDHCP relay agentmust be configured.
Other Options:
Option A:Multiple DHCP servers can coexist as long as their IP address pools do not overlap. This is unlikely to cause the problem.
Option B:STP does not affect DHCP operations unless it delays port activation, which is uncommon in this scenario.
References:
HCIA-Datacom Study Guide, Chapter: DHCP Configuration and Troubleshooting Huawei DHCP Relay Agent Configuration


NEW QUESTION # 181
Which of the following statements regarding IGMPv1 and IGMPv2 are true?

Answer: A,B,C

Explanation:
IGMPv1 supports general queries but does not define a Leave message. IGMPv2 introduces the Leave message type, which allows hosts to notify routers when they wish to leave a multicast group, improving efficiency. These distinctions align with the functionality of IGMP versions .


NEW QUESTION # 182
A route-policy can have multiple nodes, different node numbers are identified by seq-number, and the relationship between different seq-number parts is an "or" relationship.

Answer: A


NEW QUESTION # 183
On an ISIS network, each router has at least one NET. If a router is configured with multiple NETs, ensure that these NETs have the same system ID.

Answer: A


NEW QUESTION # 184
The BFD (Bidirectional Forwarding Detection) state machine implements a three-way handshake for BFD session setup or teardown. Which of the following session states are involved in BFD session setup?

Answer: B,C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* BFD (Bidirectional Forwarding Detection) detects link failures faster than traditional mechanisms.
* Session states during setup:
* AdminDown # Initial state (session is administratively disabled).
* Down # The session is being established but has not yet exchanged valid control packets.
* Init # The session is partially established (one side has detected the peer).
* Up # The session is fully operational (not part of the setup process).
* Since AdminDown, Down, and Init are involved in session setup, the correct answers are B, C, D.
# Reference: Huawei HCIA-Datacom Study Guide, BFD Session Establishment and States.


NEW QUESTION # 185
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