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100% Pass Quiz H12-891_V1.0 - HCIE-Datacom V1.0–Efficient Test Braindumps

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Huawei H12-891_V1.0 (HCIE-Datacom V1.0) Certification Exam is a challenging exam that requires a significant amount of preparation. Candidates are expected to have a deep understanding of data communication technologies, including network protocols, routing, switching, and security. They should also be familiar with the latest industry trends and best practices. To pass the exam, candidates must demonstrate their ability to design, implement, and troubleshoot complex data communication networks.

The Huawei H12-891_V1.0 Exam covers a range of topics related to data communication, including network architecture, protocols, security, virtualization, and cloud computing. Candidates are expected to have a deep understanding of the latest trends and technologies in the field, as well as the ability to apply their knowledge to real-world scenarios.

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Huawei HCIE-Datacom V1.0 Sample Questions (Q51-Q56):

NEW QUESTION # 51
In a VXLAN scenario, which of the following features can be enabled to reduce ARP packet flooding between VTEPs?

A. Host information collection
B. Port isolation
C. Local proxy ARP
D. ARP broadcast suppression

Answer: A,C,D

Explanation:
VXLAN networks suffer from ARP flooding because ARP requests are broadcasted across all VTEPs in a Layer 2 domain. To reduce ARP flooding, the following mechanisms can be enabled:
# A. Local Proxy ARP
* Allows the local VTEP to respond to ARP requests without forwarding them across the VXLAN network.
* The VTEP caches MAC-IP mappings and replies directly to ARP requests, reducing unnecessary flooding.
# B. ARP Broadcast Suppression
* Converts ARP broadcast packets into unicast or multicast packets to minimize network-wide flooding.
# C. Host Information Collection
* Collects and stores MAC-IP bindings of endpoints, which can be used by proxy ARP to reduce flooding.
# D. Port Isolation
* Port isolation prevents communication between devices within the same VLAN but does not help reduce ARP flooding between VTEPs.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei VXLAN Configuration Guide - ARP Optimization Techniques
* HCIE-Datacom Training Material - Reducing ARP Broadcasts in VXLAN Networks

NEW QUESTION # 52
Regular expressions can be used for Community-filter and AS-path-filter definition attribute types for route filtering.

A. True
B. False

Answer: A

NEW QUESTION # 53
Which of the following user logout modes are supported by 802.1X authentication?

A. A user logs out manually.
B. An accounting server forces a user to log out.
C. An access device forces a user to log out.
D. An authentication server forces a user to log out.

Answer: A,C,D

Explanation:
Comprehensive and Detailed Explanation:
# 802.1X authentication supports multiple logout mechanisms based on network conditions and security policies.
# Correct Logout Modes:# (A) Authentication Server Logout # The RADIUS server can terminate a session.# (B) Manual Logout # Users can disconnect manually.# (C) Access Device Logout # The switch
/WLAN controller can enforce logouts (e.g., if inactivity is detected).
# Why Not (D)?# (D) Accounting Server Logout # The accounting server tracks session usage but does not enforce logouts.
# Reference: Huawei HCIE Datacom - 802.1X Authentication & Session Termination

NEW QUESTION # 54
Which of the following functions can be provided by iMaster NCE-Campus when it functions as a relay agent for authentication?

A. User analysis
B. Marketing
C. User authentication
D. User accounting

Answer: A,B,C

Explanation:
Huawei iMaster NCE-Campus as an Authentication Relay Agent
Huawei iMaster NCE-Campus can act as a relay agent for authentication services, forwarding authentication requests between users and authentication servers (e.g., RADIUS, LDAP).
# B. User Authentication
* Validates user credentials before granting network access.
* Supports 802.1X, Portal, MAC, and RADIUS authentication.
# C. User Analysis
* Analyzes user behavior and access patterns to optimize security and network policies.
# D. Marketing
* Provides customized authentication portals with advertisements and promotional messages.
# A. User Accounting - Accounting is handled by the authentication server (e.g., RADIUS), not the relay agent.
Reference from Huawei HCIE-Datacom Documentation:
* Huawei iMaster NCE-Campus Authentication Guide - Relay Agent Functions
* HCIE-Datacom Study Material - User Authentication and Analysis in CloudCampus

NEW QUESTION # 55
OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.

A. FALSE
B. TRUE

Answer: A

NEW QUESTION # 56
......

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