Huawei Authoritative Exam H12-821_V1.0 Tutorial–Pass H12-821_V1.0 First Attempt

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q116-Q121):

NEW QUESTION # 116
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

Answer: A

Explanation:
OSPF supports both area-level and interface-level authentication. When both are configured, interface authentication takes precedence over area authentication. This hierarchy ensures that specific interface-level configurations override the broader area-level settings when applicable .


NEW QUESTION # 117
See the following figure. All routers on the network run IS-IS and are in area 49.0001.
By referring to the LSDB of R1, the Level-2 DIS is. (Enter the device name, for example, R1.)

Answer:

Explanation:
R3
Explanation:
Understanding the LSDB and Level-2 DIS Election in IS-IS:
In IS-IS, theDesignated Intermediate System (DIS)is elected for both Level-1 and Level-2 on broadcast networks to manage the link-state database (LSDB) and reduce the number of LSAs exchanged.
The election of the DIS is based on thehighest priority.
If the priority is the same, the router with thehighest System IDbecomes the DIS.
HCIP-Datacom-Core Technology Training Material (IS-IS DIS Election).
Analyzing the LSDB:
From the LSDB ofR1, the Level-2 link-state database includes the following entries:
LSPID 0100.0000.3003.00-00: This is R3, and it is present in the Level-2 LSDB with the sequence number and checksum details.
Other routers (R1, R2, R4) are present but do not have the characteristics of the Level-2 DIS in this topology.
Based on the System IDs,R3 (0100.0000.3003)has the highest System ID, making it theLevel-2 DIS.
Conclusion:
The Level-2 DIS on the network isR3, based on the election rules and the LSDB information shown in the figure.


NEW QUESTION # 118
Which of the following log levels are available in the USG series firewalls? (Multiple choice)

Answer: A,B,C,D


NEW QUESTION # 119
By default, the sending interval of BGP Keepalive messages is () s.

Answer:

Explanation:
60


NEW QUESTION # 120
Drag and Drop Question
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 # 121
......

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