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Huawei H12-891_V1.0 Exam Syllabus Topics:

Section	Objectives
Network Automation and Programmability	- SDN and automation 1. Network automation tools 2. NETCONF/YANG basics
IPv6 and Advanced IP Technologies	- IPv6 deployment 1. IPv6 addressing and transition
Network Security and QoS	- Security mechanisms 1. ACL and traffic control 2. Basic network security design - QoS mechanisms 1. Traffic classification and shaping
WAN and VPN Technologies	- MPLS fundamentals 1. VPN technologies 2. MPLS LDP and forwarding
Data Center and Virtualization Technologies	- VXLAN and overlay networks 1. Data center network virtualization
Routing and Switching Technologies	- Switching technologies 1. Ethernet switching mechanisms 2. VLAN and STP - IP routing protocols 1. IS-IS basics 2. BGP 3. OSPF
Enterprise Network Architecture	- Network design principles 1. Hierarchical network architecture 2. Scalability and high availability design

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Exam H12-891_V1.0 Cram | Valid H12-891_V1.0: HCIE-Datacom V1.0

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Huawei HCIE-Datacom V1.0 Sample Questions (Q123-Q128):

NEW QUESTION # 123
A bookstore provides a wired network for customers to learn online. However, one day, it was found that some users could not access the network, and after inspection, it was found that the IP resources of the DHCP address pool had been exhausted. Which of the following is the best way to solve the problem of the moment?
( Single choice questions).

A. Limits the maximum number of DHCP Snooping binding table entries that the interface allows to learn
B. Configure the IPSG
C. Configure the static ARP binding table
D. Configuration DAI

Answer: A

NEW QUESTION # 124
What is the router ID length supported by OSPFv3?

A. 100 bits
B. 128 bits
C. 64 bits
D. 32 bits

Answer: D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
OSPFv3, which supports IPv6, uses a router ID that is 32 bits in length, similar to OSPFv2. The router ID in OSPF is always a 32-bit number, typically represented in an IPv4 address format (dotted decimal). Although OSPFv3 is designed to support IPv6, itstill relies on a 32-bit router ID for identification, which must be unique within an OSPF domain. The router ID does not change even though the protocol itself supports IPv6 addresses (128 bits).

NEW QUESTION # 125
Configuring filter-policy 2000 export in the IS-IS process, the wrong statement about the function of the command is ?

A. Restricts the external publication of route entries generated by the device itself
B. which needs to be used in conjunction with route ingestion, acts as an external route sender neighbor that only partially introduces.
C. If you do not configure this command, the device will by default introduce the external routing protocol to the IS-IS route all outgoing
D. This command will filter the link status information released to the outside world

Answer: D

NEW QUESTION # 126
Which of the following methods can be used to establish IPsec SAs? (Select All that Apply)

A. Establish IPsec SAs through template negotiation
B. Establish IPsec SAs in IKE auto-negotiation mode
C. Manually establish IPsec SAs
D. Establish IPsec SAs through certificate negotiation

Answer: A,B,C,D

Explanation:
Huawei IPsec supports multiple modes for establishing Security Associations (SAs):
A). Template negotiation - Used in IPsec policy templates and dynamic VPNs.
B). IKE auto-negotiation mode - Automatically negotiates parameters via IKE Phase 1/2.
C). Certificate negotiation - IPsec peers can authenticate each other using certificates during IKE negotiation.
D). Manual mode - Static IPsec SAs can be manually configured without IKE, often used in simple or static topologies.
Exact Extract - Huawei Security Configuration Guide (USG Series):
"IPsec SAs can be established manually or dynamically through IKE, including using PSKs or certificates.
Template-based approaches simplify large-scale deployment."
Reference:
HCIE-Datacom Guide - VPN & IPsec
Huawei IPsec Deployment Best Practices Guide

NEW QUESTION # 127
Which of the following statements about configuring user access authentication is incorrect?

A. To implement network access control on users, you need to determine the domains to which they belong and the AAA schemes that they use.
B. You need to bind an access profile to an authentication profile to specify the user authentication mode.Then, apply the authentication profile to an interface to enable network access control.
C. You can configure an 802.1X access profile, a MAC access profile, a Portal access profile, or a multi- mode authentication profile based on the actual authentication requirements on the network.
D. If the RADIUS or HWTACACS server is used for authentication, you need to configure parameters for interconnection with the authentication server in the AAA scheme.

Answer: B

Explanation:
Huawei'suser access authentication configurationincludes the following components:
AAA scheme: Defines how users are authenticated (local, RADIUS, HWTACACS, etc.).
Domain: Groups users and associates them with an AAA scheme.
Access profile: Defines access control rules like 802.1X, MAC, Portal, or multi-mode authentication.
Correct workflow:
Bind theauthentication profile(which references the access profile) to theuser access interface.
Not the other way around.
Incorrect statement:
D:It incorrectly states youbind the access profile to the authentication profile, when in fact, theauthentication profile binds the access profileand is applied to the interface.
Correct answer: D

NEW QUESTION # 128
......

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