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Huawei H12-891_V1.0 Exam Overview:

Certification Vendor:	Huawei
Exam Name:	HCIE-Datacom V1.0 Written Exam
Exam Number:	H12-891_V1.0
Available Languages:	Chinese, English
Real Exam Qty:	60-70
Exam Duration:	120 minutes
Exam Format:	Single choice questions, Multiple choice questions
Exam Price:	USD 300 (approx.)
Passing Score:	600/1000
Related Certifications:	HCIP-Datacom HCIE-Datacom HCIA-Datacom
Certificate Validity Period:	3 years
Recommended Training:	HCIE-Datacom Official Training Huawei Learning Platform
Exam Registration:	Huawei Certification Exam Registration Huawei Talent Certification Platform
Sample Questions:	Huawei H12-891_V1.0 Sample Questions
Exam Way:	Computer-based online or authorized test center exam (via Huawei certification system / Pearson VUE where applicable).
Pre Condition:	Recommended to hold HCIP-Datacom certification or equivalent knowledge before attempting HCIE-Datacom exam.
Official Syllabus URL:	https://e.huawei.com/en/talent/#/cert/overview

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Actual Huawei H12-891_V1.0 Exam Questions – Smart Strategy to Get Certified

The HCIE-Datacom V1.0 H12-891_V1.0 exam dumps are top-rated and real HCIE-Datacom V1.0 H12-891_V1.0 practice questions that will enable you to pass the final HCIE-Datacom V1.0 H12-891_V1.0 exam easily. With the HCIE-Datacom V1.0 Exam Questions you can make this task simple, quick, and instant. Using the HCIE-Datacom V1.0 H12-891_V1.0 can help you success in your exam. DumpsFree offers reliable guide files and reliable exam guide materials for 365 days free updates.

The H12-891_V1.0 exam covers a wide range of topics, including network architecture, network protocols, network security, quality of service, and network troubleshooting. Candidates are expected to have a deep understanding of these topics and be able to apply their knowledge to real-world scenarios. H12-891_V1.0 Exam consists of both theoretical and practical components, ensuring that candidates have a well-rounded understanding of data communication.

Huawei HCIE-Datacom V1.0 Sample Questions (Q193-Q198):

NEW QUESTION # 193
Users hope to be able to make the router forward and select messages according to their own defined policies on the basis of traditional route forwarding, and can adopt policy routing, and the following description of policy routing is incorrect

A. Policy Routing cannot be set in the next statement DSCP
B. Policy Routing cannot be used to set IP precedence
C. Policy-based routing can be used to match message lengths
D. Policy Routing can set the next hop IP address

Answer: B

NEW QUESTION # 194
When an SSH client logs in to an SSH server that is configured only with username and password authentication in SSH mode, the key exchange phase is not involved (no key is generated).

A. TRUE
B. FALSE

Answer: B

Explanation:
Understanding SSH Authentication and Key Exchange
🔹 What Happens When an SSH Client Connects to a Server?
1️⃣ Key Exchange Phase (KEX)
Even if only password authentication is used, SSH still performs key exchange.
The server and client negotiate encryption keys using algorithms like Diffie-Hellman (DH).
2️⃣ User Authentication Phase
After encryption keys are exchanged, the user authenticates using a username and password.
Why is the Answer FALSE?
❌ Even with password authentication, SSH still performs key exchange to establish an encrypted session.
✅ The SSH session is always encrypted using cryptographic keys generated during KEX.
Real-World Application:
Secure Remote Access: Protects login credentials from MITM (Man-in-the-Middle) attacks.
Cloud & Datacenter Networks: Ensures secure SSH connections across remote infrastructure.
✅ Reference: Huawei HCIE-Datacom Guide - SSH Key Exchange and Authentication

NEW QUESTION # 195
Which of the following statements regarding RT are correct?

A. RTs are classified into two types: Export Target and Import Target.
B. The RT value is advertised to neighbors through the BGP extended community attribute in Update messages.
C. Export Target and Import Target are independent of each other and support multiple values to implement flexible VPN routing information advertisement and reception control.
D. Each VPN instance is associated with one or more pairs of VPN Target attributes, used to control VPN routing information advertisement and reception between sites.

Answer: A,B,C,D

Explanation:
Route Target (RT) is a BGP extended community attribute used in MPLS Layer 3 VPNs (L3VPNs) to control the import and export of VPN routes between different VPN instances (VRFs).
Explanation of Correct Answers:
✅ A. Each VPN instance is associated with one or more pairs of VPN Target attributes, used to control VPN routing information advertisement and reception between sites.
Each VRF (VPN Routing and Forwarding instance) has an associated RT that determines which routes are imported and exported between VPNs.
RTs enable inter-VPN communication while maintaining separation between VPN customers.
✅ B. Export Target and Import Target are independent of each other and support multiple values to implement flexible VPN routing information advertisement and reception control.
The Export RT specifies which routes should be advertised.
The Import RT specifies which routes should be accepted into a VRF.
These can be configured independently to control traffic flow between VPNs.
✅ C. RTs are classified into two types: Export Target and Import Target.
Export Target: Defines which VPN routes are advertised.
Import Target: Defines which VPN routes are accepted.
A VPN instance can have multiple RTs to allow flexibility.
✅ D. The RT value is advertised to neighbors through the BGP extended community attribute in Update messages.
RTs are carried in BGP UPDATE messages as part of the BGP extended community attribute, enabling VPN route exchange between PEs.
Reference from Huawei HCIE-Datacom Documentation:
Huawei MPLS VPN Configuration Guide - Route Target (RT) Concepts
HCIE-Datacom Study Material - BGP Route Advertisement in MPLS VPNs

NEW QUESTION # 196
Is the following information about BGP4+ described correctly?

A. Modifying the RouterID of BGP causes the BGP connection between routers to be re-established.
B. BGP4 can use dampening commands to suppress oscillations on IBGP routes.
C. The Next Hop attribute in BGP4+ is represented by an IPv6 address, which can be the link-local address of the next hop.
D. BGP4+ does not support route auto-aggregate

Answer: A,B

NEW QUESTION # 197
A network administrator runs thedisplay telemetry subscriptioncommand on a device to check telemetry subscription information. The command output is as follows:
[~CE] display telemetry subscription
Sub-name : Sub1
Sensor group:
Sensor-name Sample-interval(ms) State
Sensor1 1000 RESOLVED
Destination group:
Dest-name Dest-IP Dest-port State Vpn-name Protocol
Dest1 192.168.56.1 20000 RESOLVED - GRPC
Sub-state : PASSIVE
Total subscription number is : 1
Which of the following statements is incorrect?

A. The IP address of the device is 192.168.56.1.
B. The subscription mode is static subscription.
C. The subscription name is Sub1.
D. The device sends sampled data every second.

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
Analyzing the output:
A). The device sends sampled data every second:Correct. Thesample interval is 1000 ms (1 second).
B). The subscription name is Sub1:Correct. Thesubscription nameis clearly shown asSub1.
C). The subscription mode is static subscription:Correct. Since theSub-stateisPASSIVE, it indicates astatic subscription.
D). The IP address of the device is 192.168.56.1:Incorrect. The IP address192.168.56.1shown in the output is thedestination IPwhere the telemetry data is sent, not the IP address of the device itself.
Reference:
Huawei HCIE Datacom Official Certification Guide
Huawei Telemetry Configuration Guide

NEW QUESTION # 198
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