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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIP-Datacom-Core Technology V1.0 |
| Exam Number: | H12-821_V1.0 |
| Exam Duration: | 90 minutes |
| Exam Price: | USD 300 |
| Available Languages: | Chinese, Japanese, English |
| Related Certifications: | HCIE-Datacom HCIA-Datacom HCIP-Datacom-Advanced Routing & Switching |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 60-80 (varies) |
| Exam Format: | Short answer, Drag and drop, Multiple-choice questions, Single-choice questions, True/False |
| Passing Score: | 600/1000 |
| 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 a valuable certification for professionals looking to advance their careers in the field of data communication. It demonstrates that the candidate has a comprehensive understanding of core data communication technologies and the ability to design and deploy data communication networks using Huawei products. HCIP-Datacom-Core Technology V1.0 certification is recognized globally and can open up new opportunities for career growth and advancement.
NEW QUESTION # 325
Which of the following statement regarding the display ospf peer command output is true?
Answer: B
NEW QUESTION # 326
Depending on the type of algorithms used, routing protocols are classified into distance-vector protocols and link-state protocols. Which of the following routing protocols are link-state protocols?
Answer: B,D
Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Distance-Vector Protocols:
* Distance-vector protocols determine the best path based on the distance to a destination and periodically share the entire routing table with neighbors.
* Example: RIP is a distance-vector protocol.
* Link-State Protocols:
* Link-state protocols share information about directly connected links, enabling routers to build a complete map of the network.
* OSPF (Open Shortest Path First) and IS-IS (Intermediate System to Intermediate System) are link-state protocols that use Dijkstra's algorithm to calculate the shortest path.
* Border Gateway Protocol (BGP):
* BGP is neither a distance-vector nor a link-state protocol. Instead, it is classified as a path-vector protocol that selects the best path based on attributes such as AS-path, next-hop, and local preference.
References:
* HCIA-Datacom Study Guide, Chapter: Routing Protocol Basics
Huawei Networking Fundamentals, Section: Classification of Routing Protocols
NEW QUESTION # 327
On a broadcast IS-IS network shown in the following figure, a DIS needs to be elected to create and update pseudonodes.
Which of the following routers is elected as the DIS?
Answer: D
Explanation:
Understanding DIS Election in IS-IS:
On an IS-IS broadcast network, aDesignated Intermediate System (DIS)is elected to create and update pseudonodes for efficient communication.
The election is based on the following criteria:
DIS Priority:The router with the highest priority is elected as the DIS.
Router ID (tie-breaker):If priorities are equal, the router with the highest Router ID is elected.
Analyzing the DIS Priorities and Router IDs:
R1: Priority = 64, Router ID = 1.1.1.1
R2: Priority = 1, Router ID = 2.2.2.2
R3: Priority = 127, Router ID = 3.3.3.3
R4: Priority = 10, Router ID = 4.4.4.4
Among the routers,R3 has the highest DIS priority (127), making it the DIS.
Correct Option:
Option B (R3):Correct, as R3 has the highest priority.
Option A (R1):Incorrect, as its priority is lower (64).
Option C (R4):Incorrect, as its priority is lower (10).
Option D (R2):Incorrect, as its priority is the lowest (1).
References:
HCIA-Datacom Study Guide, Chapter: IS-IS DIS Election
Huawei IS-IS Configuration and DIS Role Details
NEW QUESTION # 328
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
Answer: B,D
Explanation:
The prefix list permits the prefix1.1.1.1/24with a mask length greater than or equal to/26and less than or equal to/32. This means only prefixes with the base1.1.1.1and mask lengths between/26and/32will be permitted.
Routes like1.1.1.2/16and1.1.1.1/24do not meet the mask length criteria, so they will be denied. Conversely, routes like1.1.1.1/26and1.1.1.1/32satisfy the condition and will be permitted .
NEW QUESTION # 329
In an OSPF routing domain, two routers must be specified as one DR and one BDR in a broadcast or NBMA network with at least two routers.
Answer: B
Explanation:
In an OSPF broadcast or NBMA network with at least two routers, one router must act as the DR (Designated Router), and another as the BDR (Backup Designated Router) to ensure efficient communication and reduce the number of adjacencies. This is a requirement for OSPF operation in such network types .
NEW QUESTION # 330
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