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Huawei H12-831_V1.0-ENU Authorized Test Dumps, H12-831_V1.0-ENU Valid Exam Camp

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Huawei H12-831_V1.0-ENU (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) Certification Exam is a professional-level certification exam offered by Huawei. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification exam is designed to test the candidate's knowledge and skills in advanced routing and switching technologies. H12-831_V1.0-ENU exam is intended for network engineers and administrators who are responsible for designing, implementing, and managing complex network infrastructures.

Huawei H12-831_V1.0 (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) exam is designed to test the knowledge and skills of IT professionals in advanced routing and switching technologies. H12-831_V1.0-ENU Exam covers a wide range of topics, including routing protocols, network security, virtual private networks (VPNs), and advanced switching technologies. HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification is ideal for those who are looking to advance their careers in network engineering or networking security.

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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q15-Q20):

NEW QUESTION # 15
MPLS has the concept of FEC-Forwarding Equivalence Class, so on which of the following standards cannot FEC be allocated based?

A. Class of Service
B. Fragment of offiset
C. Destination Addess
D. Application Protocol

Answer: B

NEW QUESTION # 16
Network administrator A wants to use A, CL to match only the four routing entries 1 and 3.57 in the figure. Ask the network administrator A at least how many A, CL rules do you need to configure?

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

Answer: D

NEW QUESTION # 17
On the OSPF network shown in the figure, R1 and R2 use OSPF to communicate with each other through Loopback0. In addition:
* MPLS LDP is enabled on R1 and R2.
* The LDP transport address is the IP address of Loopback0.
* A network engineer finds that an LDP session cannot be established between R1 and R2 and runs diagnostic commands (shown in the figure) to locate the fault.
Given this, which of the following are possible causes of the fault?

Options:

A. R1's GE0/0/1 rejects packets with UDP destination port 646.
B. MPLS LDP is not enabled on R2's GE0/0/1.
C. R2's GE0/0/1 rejects packets with TCP destination port 646.
D. R1's GE0/0/1 rejects packets with the destination IP address 10.0.2.2.

Answer: B,C

Explanation:
Comprehensive and Detailed In-Depth Explanation:
1. Understanding MPLS LDP (Label Distribution Protocol)
* LDP (Label Distribution Protocol) runs over TCP port 646.
* LDP uses the transport address (Loopback0 in this case) to establish TCP sessions between neighbors.
* For an LDP session to be established, both routers must:
* Enable LDP on the interface (GE0/0/1).
* Allow TCP traffic on port 646 (used for LDP adjacency formation).
2. Analyzing the Issue and Possible Causes
* The figure shows a successful ping from R2 to R1's Loopback0 (10.0.1.1/32).
* This means basic IP connectivity between R1 and R2 is working.
* OSPF is properly advertising Loopback0 addresses between the routers.
* The problem must be related to LDP itself, not general IP reachability.
3. Evaluating Each Answer Option
* Option A: "R1's GE0/0/1 rejects packets with the destination IP address 10.0.2.2."
* Incorrect.
* The ping test in the figure shows successful replies from 10.0.1.1 to 10.0.2.2, meaning packets to 10.0.2.2 are not being rejected.
* This is NOT the cause of the LDP failure.
* Option B: "MPLS LDP is not enabled on R2's GE0/0/1."
* Correct.
* If LDP is not enabled on R2's GE0/0/1, then R1 and R2 cannot form an LDP session.
* MPLS LDP must be enabled on both interfaces for label exchange.
* This is a valid cause of the issue.
* Option C: "R2's GE0/0/1 rejects packets with TCP destination port 646."
* Correct.
* LDP operates over TCP port 646, so if R2's GE0/0/1 has a firewall or ACL blocking TCP port 646, then LDP will fail.
* Blocking TCP 646 on R2's interface would prevent the session from establishing.
* This is another valid cause of the issue.
* Option D: "R1's GE0/0/1 rejects packets with UDP destination port 646."
* Incorrect.
* LDP does not use UDP; it uses TCP port 646.
* This is not a valid cause of the issue.
Final Answer:
# B and C are correct.
HCIP-Datacom-Advanced Routing & Switching Technology References:
* MPLS LDP Session Establishment and TCP 646 Dependency
* How OSPF Advertises Loopback0 for LDP Transport
* Common LDP Debugging Techniques and ACL Issues

NEW QUESTION # 18
Which of the following is included in the routine collection of basic equipment information?

A. License information
B. The software version the device is running
C. Patch information
D. Whether the configuration is saved

Answer: A,B,C,D

NEW QUESTION # 19
An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. The logical topology of the network is shown in the figure. Regarding the transmission of IPv6 routes between the two devices, which of the following Is a statement wrong?

A. BGP4+ transmits routing information between peers through Update packets
B. When the route is transmitted, it will carry recognized mandatory attributes such as AS_Path
C. The Next_Hop attribute must be an IPv6 global unicast address when routing
D. If the MP_REA, CH_NLRI attribute is carried in the Update packet, it indicates that the advertisement is a reachable route

Answer: C

NEW QUESTION # 20
......

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Alan Smith Alan Smith

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