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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:Fill-in-the-blank, Single-choice, True/false, Drag-and-drop, Multiple-choice
Exam Duration:90 minutes
Passing Score:600/1000
Real Exam Qty:60
Available Languages:Chinese, English, Japanese
Certificate Validity Period:3 years
Related Certifications:HCIA-Datacom
HCIP-Datacom-Advanced Routing & Switching Technology V1.0
Exam Price:300 USD
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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H12-821_V1.0 Training Pdf - H12-821_V1.0 Exam Topic

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Huawei H12-821_V1.0 certification exam tests the candidate's knowledge and skills in various areas related to data communication and core network technology. Some of the topics covered in H12-821_V1.0 Exam include MPLS VPN technology, OSPF, BGP, IS-IS, and IPv6. Candidates are required to have a deep understanding of these concepts to pass the exam.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q276-Q281):

NEW QUESTION # 276
See the following figure. All routers on the network run IS-IS and are in area 49.0001. By referring to the LSDB of R1, the Level-2 DIS is. (Enter the device name, for example, R1.)

Answer:

Explanation:
R3
* Understanding the LSDB and Level-2 DIS Election in IS-IS :
* In IS-IS, the Designated Intermediate System (DIS) is elected for both Level-1 and Level-2 on broadcast networks to manage the link-state database (LSDB) and reduce the number of LSAs exchanged.
* The election of the DIS is based on the highest priority . If the priority is the same, the router with the highest System ID becomes the DIS.
* HCIP-Datacom-Core Technology Training Material (IS-IS DIS Election) .
Analyzing the LSDB :
From the LSDB of R1 , the Level-2 link-state database includes the following entries:
LSPID 0100.0000.3003.00-00 : This is R3, and it is present in the Level-2 LSDB with the sequence number and checksum details.
Other routers (R1, R2, R4) are present but do not have the characteristics of the Level-2 DIS in this topology.
Based on the System IDs, R3 (0100.0000.3003) has the highest System ID, making it the Level-2 DIS .
Conclusion :
The Level-2 DIS on the network is R3 , based on the election rules and the LSDB information shown in the figure.


NEW QUESTION # 277
An IS-IS router with an interface priority of 0 cannot participate in DIS election.

Answer: A


NEW QUESTION # 278
Which of the following attribute must be carried in an Update message?

Answer: D

Explanation:
In BGP, the AS-Path attribute is mandatory and must be included in all UPDATE messages. It records the autonomous systems a route has traversed. Attributes like Local-Preference, MED, and Prefval are optional and may not always be included. The AS-Path is crucial for loop prevention and route selection .


NEW QUESTION # 279
Through the linkage between BFD and MPLS LSP, BFD can be dynamically created to detect the connectivity of static or dynamic LSP.

Answer: B


NEW QUESTION # 280
The following figure shows the OSPF network of an enterprise and the OSPF configurations of R1. Which of the following statements is false about the network?

Answer: C

Explanation:
Silent Interface Explanation
The silent-interface command is used to prevent OSPF from sending or receiving OSPF packets on the specified interface (GE 0/0/1). This disables OSPF adjacency establishment and stops route advertisement for that interface.
Network Observations
Statement A: R2 can access the server.This is correct, as the silent interface does not impact data traffic, only OSPF-related communication.
Statement B: GE 0/0/1 of R1 cannot send OSPF packets.Correct due to the silent-interface configuration.
Statement C: The network segment to which GE 0/0/1 of R1 belongs cannot be advertised.This is correct, as the silent interface prevents route advertisement.
Statement D: GE 0/0/1 of R1 cannot accept OSPF packets.Correct, as the silent interface configuration blocks packet reception.
HCIP-Datacom-Core Reference
OSPF interface command behavior is outlined in the configuration and lab examples sections.


NEW QUESTION # 281
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