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The HCIP-Datacom-Core Technology V1.0 Certification Exam is a comprehensive exam that covers a wide range of topics related to datacom core technology. H12-821_V1.0 Exam consists of 60 multiple-choice questions and has a duration of 90 minutes. The passing score for the exam is 60%. H12-821_V1.0 exam is available in both English and Chinese languages.

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Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q220-Q225):

NEW QUESTION # 220
As shown in the figure, four routers in the same LAN run IS-IS, among which R1 is DIS. Then R2, R3, and R4 establish adjacency relationships with R1 respectively, but no adjacency relationships are established between R2, R3, and R4.

A. FALSE
B. TRUE

Answer: A

NEW QUESTION # 221
SDN is a new type of network innovation architecture.
Which of the following descriptions about the value of SDN is correct? (Multiple choice)

A. Shield technical details, reduce network complexity, and reduce operation and maintenance costs
B. Realize automatic tuning and improve network utilization
C. Realize rapid service deployment and shorten service launch time
D. Realize centralized management and simplify network management and operation and maintenance

Answer: A,B,C,D

NEW QUESTION # 222
As shown in the figure, all routers run IS-IS. R3 is a Level-1 router, R6 is a Level1-2 router, and other routers are Level-1-2 routers.

What are the types of neighbor relationships between routers?

Answer:

Explanation:

NEW QUESTION # 223
Which of the following statements about WLAN roaming are false?

A. APs with which a STA is associated before and after roaming must work on the same channel.
B. During roaming, the STA sends a Reassociation Request frame containing home AP information to the foreign AP.
C. APs with which a STA is associated before and after roaming can work on different channels.
D. During roaming, the STA sends an Association Request frame containing home AP information to the foreign AP.

Answer: A,D

Explanation:
During WLAN roaming, the STA sends a Reassociation Request frame to the foreign AP to maintain connectivity. Association frames are used during initial connections, not roaming. APs with which a STA is associated before and after roaming can work on different channels, as roaming often occurs across channels in environments like multi-SSID or multi-channel setups. Options C and D are false, as they contradict standard WLAN roaming procedures.

NEW QUESTION # 224
A route-policy consists of one or more nodes. What is the maximum number of nodes in a route-policy?

A. 0
B. 1
C. 2
D. 3

Answer: A

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Route Policy Overview:
* A route-policy is a policy-based routing tool that filters and modifies routing information.
* It consists of one or more nodes, and each node can specify match conditions and apply actions to routes.
* Maximum Number of Nodes:
* The maximum number of nodes supported in a route-policy is 1024, allowing flexibility in route filtering and control.
References:
* HCIA-Datacom Study Guide, Chapter: Route-Policy Configuration
* Huawei Route-Policy Configuration Guidelines

NEW QUESTION # 225
......

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