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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIE-Datacom V1.0 |
| Exam Number: | H12-891_V1.0 |
| Passing Score: | 600/1000 |
| Related Certifications: | HCIE-Datacom Huawei Certified ICT Expert (HCIE) |
| Available Languages: | ENU, CHS |
| Exam Format: | Drag and drop item, Multiple-answer Question, Short Response Item, Single-answer Question, True or false |
| Exam Price: | 300 USD |
| Exam Duration: | 90 minutes |
| Sample Questions: | Huawei H12-891_V1.0 Sample Questions |
| Exam Way: | Pearson VUE or Prometric |
| Pre Condition: | It is recommended to pass HCIP-Datacom-Core Technology. 5 years of relevant work experience is suggested. |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/cert/technical-cert-details?certId=1223102600645939200&contentId=1223107831750217728 |
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The Huawei H12-891_V1.0 exam consists of multiple-choice questions that cover a wide range of topics related to data communication technologies, including network architecture and design, network protocols, network security, network management, and more. H12-891_V1.0 Exam is designed to test the candidate's ability to solve complex problems related to data communication technologies and to demonstrate their ability to design and implement solutions that meet the needs of their clients.
NEW QUESTION # 80
Which of the following roles is NOT a core role in Huawei's Free Mobility solution?
Answer: A
Explanation:
Understanding Huawei's Free Mobility Solution
Huawei's Free Mobility solution is designed to ensure that users can seamlessly access the network regardless of their physical location while maintaining consistent policies.
# Key Components in Free Mobility Solution:1## iMaster NCE-Campus (Answer A - Core Role)
* Manages network policies & user access.
* Implements centralized policy control & orchestration.
2## Policy Enforcement Device (Answer B - Core Role)
* Ensures that user policies (such as QoS, security, VLANs) are applied dynamically.
* Typically a switch or gateway enforcing access control.
3## Policy Control Device (Answer D - Core Role)
* Stores and dynamically assigns policies based on user role & device type.
* Works closely with iMaster NCE-Campus.
# Why is C (Authentication Device) NOT a Core Role?# Authentication devices (such as a RADIUS or AAA server) are not a core component of Huawei's Free Mobility solution.
* They are part of the broader network security framework but not mandatory for Free Mobility.
Real-World Application:
* Used in enterprise & campus networks where employees, guests, and IoT devices need seamless access while maintaining security policies.
# Reference: Huawei HCIE-Datacom Guide - Free Mobility Architecture & Policy Management
NEW QUESTION # 81
The default configured switch has an empty MAC address table at this time , and Host A connected to the switch issues the first unicast data frame, so what will the switch do after receiving the teaching system?( Single choice questions).
Answer: A
NEW QUESTION # 82
Drag theIPsec functionson the left to the corresponding function description on the right.
Answer:
Explanation:
A screenshot of a computer AI-generated content may be incorrect.
IPsec (Internet Protocol Security) provides secure communication over IP networks through several essential functions. Let's explain each function and its purpose:
1. Data Origin Authentication:
Description:The receiver verifies the identity of the sender.
This function ensures that the data received actually comes from the claimed source.
IPsec achieves this usingIKE (Internet Key Exchange)anddigital signatures.
TheAuthentication Header (AH)andEncapsulating Security Payload (ESP)support authentication.
Use Case:Verifying that a message claiming to be from a specific IP address is genuinely from that source.
2. Data Encryption:
Description:The sender encrypts the data, and the receiver decrypts the data.
Encryption ensuresdata confidentialityby transforming readable data (plaintext) into unreadable data (ciphertext).
Only the intended receiver with the correct decryption key can convert the ciphertext back to plaintext.
Common encryption algorithms used includeAES (Advanced Encryption Standard)andDES (Data Encryption Standard).
Use Case:Protecting sensitive data transferred over public networks.
3. Data Integrity:
Description:The receiver verifies received data to determine whether the data has been tampered with.
Ensures that the data was not altered during transmission.
Uses cryptographichash functions(e.g.,SHA-1, SHA-256) to generate amessage digest.
The digest is sent with the data and verified on the receiving side.
Use Case:Detecting any changes made to the data packet during transmission.
4. Anti-Replay:
Description:The receiver rejects duplicate data packets.
Prevents attackers from capturing packets and replaying them later.
Usessequence numbersto detect replayed or duplicated packets.
The receiver keeps asliding windowof sequence numbers to compare incoming packets.
Use Case:Blocking malicious actors from sending previously intercepted packets to disrupt communication.
Why This Mapping Is Correct:
The functions and descriptions are aligned based on the core concepts of IPsec and the roles they play in ensuring secure data transmission.
Each function addresses a specific aspect of security:authentication, confidentiality, integrity, and replay protection.
References:
Huawei HCIE-Datacom V1.0 Training Materials
Huawei Official Documentation: IPsec Configuration Guide
RFC 4301 - Security Architecture for IPsec
HCIE-Datacom Knowledge Base: IPsec VPN Concepts
NEW QUESTION # 83
Which of the following statement about isis protocol route aggregation is correct?
Answer: C
NEW QUESTION # 84
The role of Link-LSA in OSPFv3 does not include ?
Answer: C
NEW QUESTION # 85
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