Apr-2026 New Version H12-831_V1.0-ENU Certificate & Helpful Exam Dumps is Online
H12-831_V1.0-ENU Free Certification Exam Material with 465 Q&As
NEW QUESTION # 272
In a VRRP deployment, Router A has priority 120 and Router B has priority 110. Router A fails and Router B becomes Master. After Router A recovers, Router B continues forwarding traffic.
Which feature explains this behavior?
- A. VRRP interface tracking
- B. VRRP preemption disabled
- C. VRRP load balancing
- D. VRRP authentication
Answer: B
NEW QUESTION # 273
In the same environment, engineers A and B execute the tracert command. The destination addresses are the same, but the paths are different. What are the possible reasons?
- A. Engineer B's operation error
- B. The destination port numbers of the UDR packets serving tracert are different, and the hashes reach different equivalent next hops.
- C. The phenomenon is abnormal, the device has an operating system failure
- D. Engineer A's operation error
Answer: B
NEW QUESTION # 274
There is the concept of forwarding equivalent FEC in MPLS. Which of the following descriptions is wrong? (Multiple choice)
- A. A forwarding equivalence FEC will be assigned a unique label value on all routers
- B. The division of FEC is very flexible. It can be based on any combination of source address, address, source port, destination port, protocol type or VPN, etc.
- C. The packets of the same FEC will be processed differently in the MPLS network
- D. MPLS classifies packets with the same forwarding processing method into one category, which is called FEC
Answer: A,C
NEW QUESTION # 275
According to this picture, what can we judge? (Multiple choice)
- A. R1 has 2 IS-IS neighbors
- B. R1's GE0/0/1 must have Leve1-2 capability
- C. There must be an LSDB of Leve1-2 on R1
- D. R1's GE0/0/0 must have the Leve1-2 capability
Answer: A,B,C,D
NEW QUESTION # 276
As shown in the figure, PE1 and PE2 and their respective CEs exchange private network routing information through OSPF, and the same DomainID is configured on PE1 and PE2. When routes are imported from BGP to OSPF on PE2, which of the following types of SA may be delivered to CE2? (Multiple choice)
- A. Type5 LSA
- B. Type3 LSA
- C. Type1 LSA
- D. Type7 LSA
Answer: A,B,D
NEW QUESTION # 277
When the administrator enables the MPLS LDP function of the device, which of the following commands must be configured first?
- A. [Huawei-GigabitEthernet0/0/1] mpls ldp
- B. [Huawei-GigabitEthernet0/0/1] mpls
- C. [Huawei] mpls 1sr-id 1.1.1. 1
- D. [Huawei] mpls ldp
Answer: C
NEW QUESTION # 278
On a BGP/MPLS IP VPN network, which of the following are carried when a PE advertises VPNv4 routes?
- A. RD
- B. Import target
- C. Export target
- D. IPv4 prefix
Answer: A,B,C,D
NEW QUESTION # 279
In a large enterprise network, two border routers R1 and R2 connect to two different ISPs using eBGP. Both routers advertise the same internal network 10.10.10.0/24. The enterprise wants outbound traffic to prefer ISP1, while inbound traffic from the Internet should prefer ISP2 whenever possible. Which configuration combination can achieve this requirement?
- A. Set Weight on R2 and higher MED toward ISP2
- B. Set higher MED toward ISP1 and prepend AS-Path toward ISP2
- C. Set higher Local Preference on R1 and prepend AS-Path toward ISP1
- D. Set higher Local Preference on R1 and lower MED toward ISP2
Answer: C
NEW QUESTION # 280
In the same environment, engineers A and B execute the tracert command. The destination addresses are the same, but the paths are different. What are the possible reasons?
- A. Engineer B's operation error
- B. The destination port numbers of the UDR packets serving tracert are different, and the hashes reach different equivalent next hops.
- C. The phenomenon is abnormal, the device has an operating system failure
- D. Engineer A's operation error
Answer: B
NEW QUESTION # 281
R1, R2, and R3 introduce the external network 192.168.1.0/24 into BGP through the import method.
Which of the following descriptions are correct by default? (Multiple choice)
- A. For 192.168.1.0/24, if R3 is configured with "default local-preference 150", R5 will prefer the route received from R3.
- B. For 192.168.1.0/24, R6 prefers the route received from R4
- C. For 192.168.1.0/24, R4 prefers the route received from R1
- D. For 192.168.1.0/24, R5 prefers the route received from R2
Answer: B,C,D
NEW QUESTION # 282
As shown in the IS-IS IP4 network, when the network is stable, R1 can ping 2000:12::0, and the MAC address corresponding to 2000:12::0 can be viewed through "display ipv6 neighbors".
- A. False
- B. True
Answer: B
NEW QUESTION # 283
In order to support multi-topology functions, which of the following TLVs has been newly added by IS-IS?
- A. TLV No. 229
- B. TLV No. 236
- C. TLV No. 232
- D. TLV No. 129
Answer: A
NEW QUESTION # 284
[According to this picture, Peimen can judge?
cR3>display ipv6 routing-table protocol isis
- A. unable to judgeR3type of device
- B. R3The device type must beLevel-2
- C. R3The device type must beLevel-1
- D. R3The device type must beLevel-1-2
Answer: D
NEW QUESTION # 285
In the IS-IS IPv6 network shown in the figure, all routers have multi-topology enabled. The IPv6 address of the R4 Loopback0 interface is 2000::4/128. Configure "ipv6 summary 2000::64 level-
2" in the R2 and R1 IS-IS processes. Configure "ipv6 import- route isis level-2 into level-1" in the R1, R2, and R3 IS-IS processes.
By default, which of the following routers have a route entry for 2000::/64 in their routing table?
- A. R4
- B. R5
- C. R3
- D. R2
Answer: B,C
NEW QUESTION # 286
By default, the cost type of IS-IS routes is narrow mode. In this mode, which of the following is the maximum value of the route cost?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 287
An MPLS label is a 20-bit local identifier. Its label space is divided into special labels, static shared label space, and dynamic signaling protocol label space. Which of the following are special labels? (Multiple choice)
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C,D
NEW QUESTION # 288
Network engineers found that the multicast client could not receive multicast data correctly, so they suspected that the group address set by the multicast server was wrong. Which of the following cannot be the group address?
- A. 233.0.0.2
- B. 224.0.1.5
- C. 224.0.0.1
- D. 232.0.0.18
Answer: C
NEW QUESTION # 289
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Huawei H12-831_V1.0-ENU (HCIP-Datacom-Advanced Routing & Switching Technology V1.0) exam is a certification exam offered by Huawei. H12-831_V1.0-ENU 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 advanced IP addressing, routing protocols, network security, and troubleshooting. Passing H12-831_V1.0-ENU exam demonstrates that an individual has a strong understanding of advanced networking concepts and is capable of designing and implementing advanced network solutions.
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