New H12-831_V1.0 Exam Question | H12-831_V1.0 Test Passing Score

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Huawei H12-831_V1.0 Exam Syllabus Topics:

SectionWeightObjectives
Network O&M7%- Performance optimization and capacity planning
- Network monitoring and management tools
Advanced IGP Features17%- IGP route selection and control
- IS-IS advanced features and convergence
- OSPF advanced features and optimization
MPLS Technologies19%- MPLS basics and label distribution
- MPLS VPN and traffic engineering
- MPLS protection and fast reroute
Advanced Ethernet Technologies10%- VLAN stacking and QinQ
- Advanced link aggregation and reliability
- Ethernet OAM and protection mechanisms
Network Cutover and Migration7%- Service switchover and verification
- Migration strategies and risk control
Advanced BGP Features10%- BGP path control and filtering
- Route reflectors and confederations
- BGP route attributes and policies
IPv6 Routing20%- IPv6 addressing and transition technologies
- BGP4+ and IPv6 route deployment
- OSPFv3 and IS-IS for IPv6
Network Troubleshooting10%- Troubleshooting routing and switching issues
- Fault diagnosis and analysis methods

>> New H12-831_V1.0 Exam Question <<

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Huawei HCIP-Datacom-Advanced Routing & Switching Technology V1.0 Sample Questions (Q26-Q31):

NEW QUESTION # 26
The route reflector and its clients form a cluster, using the unique Cluster ID in the AS as an identifier. When a route is reflected by the RR for the first time, if there is no Cluster_List attribute, the RR will add the local Cluster ID to the front of the Cluster_List. If a route already has the Cluster_List attribute, the RR will no longer modify the Cluster_List attribute.

Answer: B


NEW QUESTION # 27
On the ISIS network shown in the figure, R1 imports a default route using the default-route-advertise always level-1 command. In this case, R3 can learn this default route through IS-IS.

Answer: A


NEW QUESTION # 28
In the hub-spoke networking shown in the figure, to ensure correct route transmission , an administrator must manually configure the peer 10.1.2.1 _____ command in the IPv4 address family view of the BGP- VPN_out instance on the Hub-PE .

( Enter the answer in lowercase letters only. )

Answer:

Explanation:
next-hop-self
Explanation:
To determine the correct command, we need to analyze BGP behavior in a Hub-Spoke topology and how routes are advertised in MPLS VPN environments .
1. Understanding the Hub-Spoke BGP/MPLS VPN Topology
* The network consists of Hub-PE and Spoke-PE routers , which are MPLS VPN PEs .
* Hub-PE is responsible for distributing routes between Spoke-PE1 and Spoke-PE2 .
* Spoke routers do not have direct IBGP peering with each other ; instead, they rely on the Hub-PE to relay routes .
* BGP next-hop handling is critical for proper route advertisement .
2. Why is the " next-hop-self " Command Required?
* By default, when BGP advertises a route , the next-hop remains unchanged (i.e., the original next- hop is retained).
* In Hub-Spoke topology , Spoke routers would receive routes with a next-hop IP that belongs to another Spoke-PE , which is not reachable directly .
* To solve this issue, we use the next-hop-self command on the Hub-PE , so that:
* Hub-PE updates the next-hop to its own address before advertising routes to the Spoke-PEs.
* This ensures that Spoke-PE routers use the Hub-PE as the next-hop , making routes reachable and preventing blackholing .
3. Correct Command Usage
The administrator must run the following command under the BGP IPv4 address family of the BGP- VPN_out instance on Hub-PE :
shell
CopyEdit
peer 10.1.2.1 next-hop-self
This ensures that the next-hop for advertised routes is changed to the Hub-PE ' s IP , allowing proper route transmission in the Hub-Spoke MPLS VPN environment .


NEW QUESTION # 29
According to this picture, we can judge that R4 is on?

Answer: B


NEW QUESTION # 30
On a PIM-SM multicast network, a network engineer finds that multicast clients cannot receive multicast dat a. Which of the following is not a possible cause of this problem?

Answer: C


NEW QUESTION # 31
......

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