EXAM H12-821_V1.0 FORUM | H12-821_V1.0 VALID EXAMCOLLECTION

Exam H12-821_V1.0 Forum | H12-821_V1.0 Valid Examcollection

Exam H12-821_V1.0 Forum | H12-821_V1.0 Valid Examcollection

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Huawei H12-821_V1.0 Exam is an advanced-level exam that is designed for IT professionals with a strong background in data communication. It is ideal for individuals who are looking to improve their skills and knowledge in this field or for those who are seeking to advance their careers in the IT industry. H12-821_V1.0 Exam is challenging and requires a high level of preparation and dedication to successfully pass.

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Huawei H12-821_V1.0 Certification Exam is ideal for candidates who have a strong foundation in networking concepts and who are looking to advance their careers in the field of Datacom-Core Technology. Candidates who pass H12-821_V1.0 exam will have demonstrated their ability to configure and troubleshoot complex networks, including advanced topics such as MPLS VPNs, QoS, and multicast routing. In addition, they will have a deep understanding of network design principles, including the ability to design and implement complex network topologies.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q105-Q110):

NEW QUESTION # 105
On an OSPF network, if the network type isNBMA, a router unicasts all protocol packets; if the network type isbroadcast, a router multicasts all protocol packets.

  • A. FALSE
  • B. TRUE

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
OSPF network typesaffect how protocol packets (Hello, LSA updates) are transmitted:
NBMA (Non-Broadcast Multi-Access)networks (e.g., Frame Relay) donot support multicast, so routers mustunicastOSPF packets to neighbors.
Broadcast networks(e.g., Ethernet) supportmulticastand use224.0.0.5 for Hello packetsand224.0.0.6 for DR
/BDR communication.
The statement isfalsebecause:
NBMA does not unicast all packets-only Hello packets must bemanually configuredto be unicast.
LSAs and routing updates can still be multicastif an NBMA network is configured aspoint-to-multipoint.
#Reference:Huawei HCIA-Datacom Study Guide, OSPF Network Types and Packet Transmission.


NEW QUESTION # 106
Huawei modular devices have multiple hardware modules that provide different functions. Match the following hardware modules with their functions.

Answer:

Explanation:

Explanation:
The hardware modules of Huawei modular devices and their functions are:
Main Processing Unit (MPU):Provides control and management planes for the entire system, responsible for protocol processing, system security, and software upgrades.
Switch Fabric Unit (SFU):Provides the data plane, enabling high-speed data switching between service modules.
Line Processing Unit (LPU):Manages data forwarding, offering various interfaces (optical and electrical) for data access.


NEW QUESTION # 107
Hackers often obtain the login permissions of system administrators through various attacks.
Which of the following measures can be taken to enhance the security of administrator accounts?(Select all that apply)

  • A. To ensure security and make the password easier to remember, you can set the password to be valid for a long time.
  • B. Periodically check whether unnecessary administrator accounts exist in the system. If such accounts exist, delete them to reduce the attack surface.
  • C. Encrypt passwords before transferring them. Whenever possible, transfer passwords by email.
  • D. Assign exclusive accounts for administrators with different maintenance roles to avoid account sharing.

Answer: B,D

Explanation:
A is correct- Removing unused accounts helpsminimize the risk surface.
B is false- Email isnot a secure methodfor transferring sensitive information like passwords, even if encrypted.
C is correct-Unique administrator accountshelp with accountability and tracking.
D is false-Long-term password validityreduces security. Passwords should be rotated regularly.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"To secure admin access, avoid account sharing, delete inactive users, and periodically update credentials through secure channels." (Chapter: Device Security - Section: Account Management)


NEW QUESTION # 108
The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?

  • A. Is used together with the route import function to advertise some imported external routes to neighbors.
  • B. Controls the advertisement of routes generated by the device.
  • C. Filters LSPs to be advertised.
  • D. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.

Answer: C

Explanation:
The filter-policy command in IS-IS is used to control the advertisement and filtering of routing information.
However, it does not directly filter LSPs (Link State Packets); instead, it controls route advertisements. The false statement here is that it filters LSPs .


NEW QUESTION # 109
On an RSTP network, you can set the STP priority of a switch to specify the switch as the root bridge.
Which of the following values is thedefault STP priorityof a Huawei switch?

  • A. 0
  • B. 1
  • C. 2
  • D. 3

Answer: C

Explanation:
The defaultSTP priorityon Huawei switches (and in the IEEE standard) is32768.
Lower priority values increase the likelihood of a switch becoming the root bridge. You can configure this value in increments of 4096.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"The default bridge priority of Huawei switches is 32768. The root bridge is elected based on the lowest bridge ID, which consists of the priority and MAC address." (Chapter: Spanning Tree Protocols - Section: RSTP and Bridge Election)


NEW QUESTION # 110
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