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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 (Written Exam) |
| Exam Number: | H12-891_V1.0 |
| Related Certifications: | HCIE-Datacom V1.0 (Lab Exam) H12-892_V1.0 HCIP-Datacom-Core Technology |
| Real Exam Qty: | 60-70 |
| Exam Format: | Drag-and-drop, Single-choice, Multiple-choice, True/false, Fill-in-the-blank |
| Exam Price: | 300 USD |
| Passing Score: | 600/1000 |
| Available Languages: | English, Chinese |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Huawei Official Training - HCIE-Datacom V1.0 |
| Exam Registration: | Pearson VUE Huawei Talent Official |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Online proctored or onsite at authorized test centers |
| Pre Condition: | Recommended to hold HCIP-Datacom-Core Technology certification; 5+ years of relevant network engineering experience suggested; must pass written exam before taking lab exam |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/exam/H12-891_V1.0 |
>> H12-891_V1.0 Exam Outline <<
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The HCIE-Datacom V1.0 Certification Exam covers a wide range of topics, including network design, network optimization, network maintenance, network security, and more. H12-891_V1.0 exam is divided into multiple sections, each of which tests the candidate's knowledge and skills in a particular area of Datacom.
Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Exam is a challenging test that requires extensive preparation and study. H12-891_V1.0 Exam consists of both theoretical and practical components, which means that candidates must have hands-on experience in designing and implementing data communication networks. To pass the exam, candidates must be familiar with the latest networking technologies and best practices, and must be able to apply this knowledge to solve real-world problems.
NEW QUESTION # 185
Configuring filter-policy 2000 export in the IS-IS process, the wrong statement about the function of the command is ?
Answer: B
NEW QUESTION # 186
IPsecuses anasymmetric encryption algorithmto encrypt thesymmetric algorithm key, which it uses to encrypt
/decrypt data, ensuring security and performance.
Answer: A
Explanation:
Comprehensive and Detailed Explanation:
#IPsec uses a hybrid encryption approach:
Asymmetric encryption (e.g., RSA, DH)secures thesymmetric key exchange.
Symmetric encryption (e.g., AES, 3DES)is then used toencrypt actual data.
#Why This is Secure?
Asymmetric encryptionensures key confidentialitybetween peers.
Symmetric encryptionensures high-performance encryptionfor bulk data.
#Reference:Huawei HCIE Datacom - IPsec Encryption Mechanisms
NEW QUESTION # 187
OSPF is deployed on a campus network to implement network interconnection. An engineer configures R2 as shown in the figure. Which of the following statements is incorrect about LSAs on the OSPF network?
Answer: B
Explanation:
๐ Analyze the Configuration:
[R2] acl 2000
[R2-acl-basic-2000] rule deny
[R2] ospf
[R2-ospf-1] area 1
[R2-ospf-1-area-0.0.0.1] filter 2000 import
[R2-ospf-1-area-0.0.0.1] quit
[R2-ospf-1] default-route-advertise always
๐ Understanding Key Concepts:
Type 3 LSAs (Inter-Area Routes):
Generated by ABRs to advertise summary routes between areas.
Filtering Type 3 LSAs is possible using import filters (like in Area 1).
Type 5 LSAs (External Routes):
Flooded only within the same AS but do not enter stub or NSSA areas.
โ
Breakdown of the Options:
A . Type 5 LSAs are flooded in Area 1 โ โ Incorrect
If Area 1 is a stub or NSSA, then Type 5 LSAs are not allowed.
Although the diagram does not explicitly say Area 1 is a stub/NSSA, real deployments often use stub areas at the edge (like Area 1).
More importantly, the filter is applied to Area 1, and there is no redistribution of external routes into Area 1 in the config.
Therefore, Type 5 LSAs would not be flooded there.
B . Type 3 LSAs are not flooded in Area 1 โ โ
Correct
The command filter 2000 import with ACL rule deny means Type 3 LSAs are filtered from Area 0 into Area 1.
C . Type 3 LSAs are not flooded in Area 2 โ โ
Correct
There is no filter applied to Area 2, so this could be false, but since the question asks for the incorrect statement, this is not the answer.
D . Type 5 LSAs are flooded in Area 2 โ โ
Correct
Area 2 is not shown to be stub or NSSA, and there's no filter or restriction configured.
Hence, Type 5 LSAs are allowed and flooded in Area 2.
NEW QUESTION # 188
If the number of MAC addresses learned on an interface enabled with port security reaches the upper limit, which of the following actions may the switch take?
Answer: C
Explanation:
When port security is enabled and the maximum number of learned MAC addresses is reached, the switch can trigger multiple security actions depending on configuration:
Discard packets with unknown source MACs
Generate alarms
Shut down the port (set to error-down)
Do all the above combined (default behavior)
The most comprehensive and commonly configured behavior is error-down + alarm generation, which corresponds to Option D.
Exact Extract - Huawei HCIE-Datacom Switching Guide:
"When the MAC address limit is reached on a port with port security enabled, the system can generate alarms and set the port to error-down state based on security policies." Reference:
Huawei HCIE-Datacom Study Guide - Port Security and MAC Control
Huawei Switch Configuration Guide - Port Security Behavior
NEW QUESTION # 189
In Huawei SD-WAN Solution, which of the following tunneling technologies is used to establish data channels?
Answer: B
Explanation:
Huawei SD-WAN establishes secure tunnels between SD-WAN edge devices (CPEs, AR routers, and controllers) using tunneling protocols.
โ
B. GRE over IPsec (Correct Answer)
GRE (Generic Routing Encapsulation) over IPsec is the primary tunneling method used in Huawei SD-WAN.
GRE provides multi-protocol encapsulation, while IPsec ensures encryption and security.
Used for secure communication over public WAN links (e.g., the internet, LTE, MPLS, etc.).
NEW QUESTION # 190
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