REVIEW H12-821_V1.0 GUIDE | H12-821_V1.0 VALID EXAM FEE

Review H12-821_V1.0 Guide | H12-821_V1.0 Valid Exam Fee

Review H12-821_V1.0 Guide | H12-821_V1.0 Valid Exam Fee

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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) certification exam is a highly sought-after certification in the field of data communications. It is designed to test the knowledge and skills of candidates in the core technologies of data communication, including network protocols, network devices, network security, and network virtualization.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q275-Q280):

NEW QUESTION # 275
The following figure shows acampus network. IS-IS is configured on all routers, and the network runs normally.

By default, which of the following routers havespecific routeson the entire network?

  • A. R1
  • B. R7
  • C. R2
  • D. R3

Answer: C,D

Explanation:
Comprehensive and Detailed In-Depth Explanation:
InIS-IS, routes are distributed differently based onrouter levels:
Level-1 (L1) routers# Maintainspecific routes only within their own area.
Level-2 (L2) routers# Maintainspecific routes for the entire network(inter-area routing).
Level-1-2 (L1/L2) routers# Storeboth L1 and L2 routesand act asarea border routers.
In the diagram,R2 and R3 are L1/L2 routers, meaning they storespecific routes for both their area and other areas.
R1 is only an L1 router, meaning it only hasintra-area routes, andR7 is an L2-only router, meaning it does not store all specific routes.
Therefore,R2 and R3havespecific routesfor the entire network.
#Reference:Huawei HCIA-Datacom Study Guide, IS-IS Routing Levels and Route Distribution.


NEW QUESTION # 276
On an IS-IS network, all routers generate LSPs. Which of the following types of information isnotcontained in the LSPs generated by pseudonodes?

  • A. Interface information
  • B. Route information
  • C. Neighbor information
  • D. Information about supported network protocols

Answer: B

Explanation:
Apseudonodein IS-IS is a logical representation of a broadcast network segment (e.g., Ethernet) where theDesignated Intermediate System (DIS)generates an LSP on behalf of the LAN.
Pseudonode LSPs contain:
Interface information(i.e., the interface that connects to the pseudonode) Neighbor information(adjacencies with other routers on the LAN) Protocol information(e.g., supported address families) However,route information is not containedin LSPs generated by pseudonodes because routing information is advertised in theLSPs generated by the routers themselves, not the pseudonode.
Reference from Huawei HCIP-Datacom-Core Technology Study Guide:
"Pseudonode LSPs contain information about the broadcast link, including interface and neighbor data. They do not advertise routing entries." (Chapter: IS-IS Advanced Features - Section: DIS and Pseudonodes)


NEW QUESTION # 277
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

  • A. TRUE
  • B. FALSE

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 # 278
ASBRs cannot exist in an OSPF stub area.

  • A. TRUE
  • B. FALSE

Answer: A

Explanation:
Comprehensive and Detailed In-Depth Explanation:
* Stub areas do not allow external routes (Type 5 LSAs).
* Since ASBRs are responsible for redistributing external routes into OSPF, they cannot exist in a stub area.
* If an ASBR were placed in a stub area, it would attempt to inject external routes into the OSPF domain, which contradicts the stub area rules.
* To allow external routes, Not-So-Stubby Areas (NSSAs) are used instead, which allow ASBRs and use Type 7 LSAs to carry external routes.
# Reference: Huawei HCIA-Datacom Study Guide, OSPF Area Types and ASBR Restrictions.


NEW QUESTION # 279
Which of the following statement regarding the display ospf peer command output is true?

  • A. Through negotiation during DD packet exchange, the local end becomes the slave.
  • B. Router ID indicates that the local router ID Is 10.1.1.1.
  • C. The DR address is 10.1.1.1
  • D. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.

Answer: A

Explanation:
The command output indicates that the OSPF neighbor state is Full and that the neighbor relationship has been established. The statement confirms that the negotiation process during the exchange of DD (Database Description) packets has determined the role of the router, with the local device becoming the slave in the Master-Slave relationship, which is critical for LSA synchronization. The other options do not align with the output or OSPF principles


NEW QUESTION # 280
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