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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Core Technology V1.0 |
| Exam Number: | H12-821_V1.0 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 60-80 (varies) |
| Exam Price: | USD 300 |
| Related Certifications: | HCIA-Datacom HCIP-Datacom-Advanced Routing & Switching HCIE-Datacom |
| Passing Score: | 600/1000 |
| Available Languages: | Japanese, Chinese, English |
| Exam Format: | Drag and drop, True/False, Multiple-choice questions, Single-choice questions, Short answer |
| Recommended Training: | Huawei HCIP-Datacom Training Resources Huawei Learning Portal - Datacom Track |
| Exam Registration: | Pearson VUE Huawei Exams Huawei Certification Official Portal |
| Sample Questions: | Huawei H12-821_V1.0 Sample Questions |
| Exam Way: | Computer-based exam (onsite test centers or online proctoring depending on region) |
| Pre Condition: | Recommended to hold HCIA-Datacom or equivalent networking knowledge |
| Official Syllabus URL: | https://certification.huawei.com/ |
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Huawei H12-821_V1.0 exam is designed to test the knowledge and skills of candidates in the field of data communication. HCIP-Datacom-Core Technology V1.0 certification exam is part of the Huawei Certified ICT Professional (HCIP) program and is aimed at professionals who want to enhance their knowledge and expertise in the area of data communication.
To prepare for the Huawei H12-821_V1.0 certification exam, candidates must have a solid understanding of core data communication technologies, including network protocols, network devices, network security, and network virtualization. Candidates must also have hands-on experience with Huawei data communication products and networks.
The H12-821_V1.0 Certification Exam is an intermediate-level certification that validates the skills and knowledge required for professionals to design and deploy core network technologies, including routing, switching, and data center technologies. H12-821_V1.0 exam covers a wide range of topics, including network architecture and design, network protocols and technologies, network security, and virtualization technologies.
NEW QUESTION # 135
On an OSPF network, OSPF routers exchange LSAs to synchronize their LSDBs. If an OSPF router receives an LSA that does not exist in its LSDB, it updates its LSDB and floods the LSA.
Answer: A
Explanation:
In OSPF (Open Shortest Path First), each router maintains aLink-State Database (LSDB), which must be synchronized with other routers in the same area. When an OSPF router receives anLSA (Link-State Advertisement)that it doesnot already have in its LSDB, it takes the following steps:
It updates its LSDB with the new LSA.
It floods the LSA to all its other OSPF neighbors (except the one from which it received the LSA).
This ensures that all routers in the OSPF area eventually converge to the same network topology.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"When an LSA is received and it is newer or not present in the LSDB, the router updates the LSDB and floods the LSA to other neighbors to ensure database synchronization." (Chapter: OSPF Fundamentals - Section: LSDB Synchronization)
NEW QUESTION # 136
The following is the BGP error output information of a router.
<HUAWEL>display bgp error
Error Type: Peer Error
Date/Time:2010-03-2211:40:39
Peer Address:10.1.1.2
Error lnfo Router-id conflict
The wrong description of this information is?
Answer: A
NEW QUESTION # 137
A switch running a later IGMP version can identify Report messages of an earlier IGMP version, but the switch running an earlier IGMP version cannot identify Report messages of a later IGMP version. To ensure that IGMP runs properly, you are advised to set the IGMP version on the switch to be the same as or later than the IGMP version of member hosts.
Answer: A
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. Understanding IGMP Version Compatibility:
IGMP (Internet Group Management Protocol) supports multiple versions, such as IGMPv1, IGMPv2, and IGMPv3.
A device running alater versionof IGMP is backward-compatible and can identify Report messages from earlier versions.
However, a device running anearlier versionof IGMP cannot recognize the newer features or formats of later IGMP versions.
2. Best Practice:
To avoid compatibility issues, the IGMP version configured on the switch should be thesame as or later thanthe version used by the member hosts in the network.
3. Why the Statement is TRUE:
The statement is correct because it describes the compatibility behavior of IGMP versions and advises setting the switch IGMP version appropriately.
Reference:
Huawei HCIA-Datacom Study Guide, Chapter "IGMP Configuration."
NEW QUESTION # 138
By default, if no router ID is configured but multiple loopback interface addresses are configured, BGP selects the largest loopback interface address as the router ID.
Answer: A
Explanation:
BGP Router ID Selection Rules:
If a router ID is not manually configured:
The largest loopback address is selected as the router ID. If no loopback interfaces exist, the largest active physical interface address is selected.
Default Behavior:
This ensures that a stable and unique router ID is chosen automatically, even without manual configuration.
NEW QUESTION # 139
Multiple bare spanning trees can be generated in an MST domain, and each spanning tree is called an MSTI. MSTI uses Instance ID identification, and the value of Huawei equipment is 0~32768.
Answer: A
NEW QUESTION # 140
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