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Huawei H12-821_V1.0 Certification Exam is a professional-level certification that validates the skills and knowledge required to design, deploy, and manage large-scale data communication networks using Huawei technologies. HCIP-Datacom-Core Technology V1.0 certification is recognized globally and is suitable for network engineers, network architects, and network administrators who are responsible for designing and managing large-scale data communication networks. To pass the exam, candidates must have a thorough understanding of the topics covered in the exam and must be able to apply this knowledge in real-world scenarios.

Huawei HCIP-Datacom-Core Technology V1.0 Sample Questions (Q262-Q267):

NEW QUESTION # 262
A route-policy can have multiple nodes, and each node can have multiple if-match and apply clauses. Which of the following statements are false?

A. The operator between if-match clauses under a node is OR.
B. The operator between nodes is OR.
C. The operator between if-match clauses under a node is AND.
D. The operator between nodes is AND.

Answer: A,D

Explanation:
The operator between if-match clauses under a node is AND, meaning all conditions must be satisfied.
However, the operator between nodes is OR, meaning a route matching any node will pass the route-policy .

NEW QUESTION # 263
Which of the following statements regarding the stateful inspection firewall is true?

A. Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.
B. The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.
C. When the stateful inspection firewall checks packets, packets of one same connection are not correlated.
D. The stateful inspection firewall needs to match the rules for each incoming packet.

Answer: B

Explanation:
A stateful inspection firewall tracks the state of network connections and only matches the initial packet against its rule set. Subsequent packets in the same connection are matched in the state table. Contrary to this, UDP packets can be inspected by correlating them with connection states, and packets in a single connection are always correlated .

NEW QUESTION # 264
On an IS-IS network, each router can generate LSPs. Which of the following events trigger the generation of a new LSP?

A. The IS-IS interface cost is increased.
B. Periodic updates occur.
C. Related IS-IS interfaces go up or down.
D. Inter-area IP routes change.

Answer: A,B,C

Explanation:
LSP Generation in IS-IS
IS-IS routers generate new Link State Packets (LSPs) under the following conditions:
Interface Status Changes: When IS-IS interfaces go up or down, the link state changes, triggering LSP updates.
Periodic Updates: IS-IS periodically regenerates LSPs to ensure link-state information remains synchronized across the network.
Interface Metric Changes: Any modification to interface costs results in a new LSP to reflect the updated cost in the network.
Incorrect Option
C: Inter-area IP routes change is incorrect because IS-IS does not inherently differentiate between areas for LSP generation.
HCIP-Datacom-Core Reference
IS-IS LSP generation rules are detailed in the IS-IS configuration and implementation chapters.

NEW QUESTION # 265
The advantages of network address translation (NAT) technology do not include which of the following?

A. Allow users to retain internal solutions while changing operators, enhancing the flexibility of connecting to public networks
B. Because address translation can hide the user address of the internal network and improve the security of the internal network, a router with NAT function can directly replace the firewall
C. Can effectively reduce the consumption of public IP addresses
D. Users with private addresses can access the Internet

Answer: B

NEW QUESTION # 266
Which of the following description of the virtual connection in OSPF is wrong?

A. A virtual connection can be established on any two area border routers, but these two border routers are required
B. The virtual connection does not necessarily belong to the backbone area, and the specific districts and cities it belongs to should be determined according to the actual topology.
C. The virtual connection belongs to area 0
D. Virtual connections can be used to solve the problem of logical discontinuity in the backbone area.

Answer: B

NEW QUESTION # 267
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