UPDATED HUAWEI H12-821_V1.0 PDF DUMPS FOR QUICK PREPARATION

Updated Huawei H12-821_V1.0 PDF Dumps For Quick Preparation

Updated Huawei H12-821_V1.0 PDF Dumps For Quick Preparation

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Huawei H12-821_V1.0 exam covers a wide range of topics related to data communication, including network architecture, network protocols, routing, switching, and security. H12-821_V1.0 exam also includes questions on Huawei's product line, such as routers, switches, and firewalls.

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Huawei H12-821_V1.0 Exam Questions: Attain Your Professional Career Targets [2025]

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) exam is a certification test that focuses on core data communication technologies. It is designed for professionals who want to validate their skills and knowledge in data communication and related technologies. H12-821_V1.0 Exam assesses the ability of the candidate to plan, design, deploy, and troubleshoot data communication technologies in various scenarios.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q135-Q140):

NEW QUESTION # 135
Which of the following statements regarding the firewall zone security level is false?

  • A. The default security level of the new zone is 1.
  • B. Two zones cannot be configured with the same security level.
  • C. Only the security level of the user-defined zone can be configured.
  • D. The configured security level cannot be changed.

Answer: D


NEW QUESTION # 136
On a network, each router has a local core routing table and protocol routing tables. A routing entry in the local core routing table has multiple key fields. Which of the following are included?

  • A. Routing protocol preference of a route
  • B. Inbound interface that learns a route
  • C. Destination address of a route
  • D. Routing protocol that learns a route

Answer: A,C,D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Routing Table Structure:
* Routers maintain a local core routing table and separate protocol routing tables for OSPF, BGP, etc.
* The local core routing table stores optimal routes selected based on metrics, protocol preferences, and administrative distances.
* Fields in the Core Routing Table:
* Destination Address (A): Indicates the destination network or host.
* Routing Protocol Preference (B): Determines the priority of routing protocols (e.g., OSPF > RIP).
* Routing Protocol (D): Specifies the protocol (e.g., OSPF, BGP) that contributed the route.
* Inbound Interface: This is stored in the protocol-specific routing table but not in the local core table.
References:
* HCIA-Datacom Study Guide, Chapter: Routing Table Management
Huawei Routing Fundamentals


NEW QUESTION # 137
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

  • A. TRUE
  • B. FALSE

Answer: A

Explanation:
IGMPv3 builds on IGMPv1 and IGMPv2 by supporting all previous query types, including General Query and Group-Specific Query, while introducing Source/Group-Specific Query. This enhancement allows finer control over multicast group membership .


NEW QUESTION # 138
After which of the following parameters are modified does an IS-IS neighbor relationship need to re- established?

  • A. The interval at which an IS-IS interface sends IIH packets is changed.
  • B. The level of an ISIS interface is changed.
  • C. The cost of an IS-IS interface is changed.
  • D. The IP address of an ISIS interface is changed.

Answer: B

Explanation:
When the level of an IS-IS interface is changed, the adjacency must be re-established because IS-IS adjacencies are formed based on matching levels (Level-1, Level-2, or both). Other changes, such as cost or hello intervals, do not disrupt the existing adjacency but might impact routing metrics or timing .


NEW QUESTION # 139
During routine operation and maintenance, an engineer checks the IGMP configuration on RTA. The configuration is as follows:
Interface information of VPN-Instance: public net
GigabitEthernet0/0/1 (192.168.1.1):
IGMP is enabled
Current IGMP version is 2
IGMP state: up
IGMP group policy: none
IGMP limit: -
Value of query interval for IGMP (negotiated): -
Value of query interval for IGMP (configured): 60 s
Value of other querier timeout for IGMP: 0 s
Value of maximum query response time for IGMP: 10 s
Querier for IGMP: 192.168.1.1 (this router)
Given this, which of the following statements is false?

  • A. The interval for sending Group-Specific Query messages is 60s.
  • B. The IP address of the interface is 192.168.1.1.
  • C. The maximum response time to Query messages is 10s.
  • D. The IGMP version is IGMPv2.

Answer: A

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
1. Understanding IGMP (Internet Group Management Protocol):
* IGMP is used in multicast networking to manage membership of devices in multicast groups.
* Key parameters in the configuration provided:
* Interface IP Address: 192.168.1.1
* IGMP Version: 2
* Query Interval (Configured): 60 seconds
* Maximum Query Response Time: 10 seconds
* Querier Address: 192.168.1.1
2. Analysis of Each Statement:
Option A: The IP address of the interface is 192.168.1.1.
* Correct (True Statement).
* The configuration clearly shows that the IP address of the interface is 192.168.1.1.
Option B: The maximum response time to Query messages is 10s.
* Correct (True Statement).
* The configuration explicitly mentions: Value of maximum query response time for IGMP: 10 s.
Option C: The interval for sending Group-Specific Query messages is 60s.
* Incorrect (False Statement).
* The 60-second value refers to the query interval, which is the time interval between general queries sent by the querier.
* The interval for group-specific queries is not specified in this configuration. It is determined dynamically based on the multicast environment and is usually shorter than the general query interval.
Option D: The IGMP version is IGMPv2.
* Correct (True Statement).
* The configuration specifies: Current IGMP version is 2.
3. Why Option C is False:
* The 60-second value is for general query interval, not group-specific query interval.
* The statement misinterprets the configuration, making it false.
4. Summary:
C: (The interval for sending Group-Specific Query messages is 60s).


NEW QUESTION # 140
......

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