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Huawei H12-831-ENU: HCIP-Datacom exam is designed to certify the skills of professionals in the field of data communication. H12-831-ENU exam tests the abilities of candidates in the areas of network design, deployment, operation, and optimization. It is a globally recognized certification that demonstrates a candidate's capabilities in the field of data communication.
The HCIP-Datacom certification exam is based on HCIP-Datacom-Core Technology V2.0, which covers network technologies such as routing protocols, access technologies, MPLS VPN, QoS, network security, and IPv6. H12-831-ENU exam tests your ability to design, verify, and manage complex enterprise network solutions. It also assesses your ability to deploy and troubleshoot the latest Huawei data communication technologies.
The Huawei H12-831-ENU exam covers a variety of topics including network architecture, routing protocols, switching technologies, network security, virtualization, and cloud computing. It is a comprehensive exam that tests the candidate's knowledge and understanding of the latest technologies and best practices in the field of data communication. H12-831-ENU exam consists of multiple-choice questions, simulation questions, and case studies that require the candidate to demonstrate their ability to apply their knowledge in real-world scenarios.
NEW QUESTION # 71
What are the advantages of PQ+WFQ? (Multiple choice)
- A. Realize the needs of flexible classification of packets according to user definition
- B. It can ensure the timely scheduling of low-latency services
- C. Messages with different priorities cannot be treated differently
- D. Implement bandwidth allocation by weight
Answer: B,D
NEW QUESTION # 72
The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?
- A. The System IDs of R3 and R1 are duplicated
- B. The IS-Levels of R3 and R1 do not match
- C. The circuit-type of the interconnection interface of R3 and R1 does not match
- D. The IIH authentication of R3 and R1 failed
Answer: C
NEW QUESTION # 73
What are the situations in which packet loss may occur? (Multiple choice)
- A. Packet loss occurs during reception
- B. Packet loss occurs in the queue
- C. It may be because the CPU is busy and cannot process packets, resulting in packet loss
- D. Packet loss occurs during transmission
Answer: B,C,D
NEW QUESTION # 74
The IS-IS neighbor relationship between R3 and R1 is not established. According to the information in this figure, what is the possible reason?
- A. The System IDs of R3 and R1 are duplicated
- B. The circuit-type of the interconnection interface of R3 and R1 does not match
- C. The IIH authentication of R3 and R1 failed
- D. The lS-Level of R3 and R1 do not match
Answer: C
NEW QUESTION # 75
Routing protocols can detect failures through Hello packets, so BFD is not required.
- A. True
- B. False
Answer: B
NEW QUESTION # 76
VXLAN uses Mac in TCP encapsulation to encapsulate Layer 2 packets with Layer 3 protocols.
- A. True
- B. False
Answer: B
NEW QUESTION # 77
Which of the following description of TTL in MPLS Header is correct?
- A. Control of upstream equipment for label distribution
- B. TTL that acts like an IP header
- C. Limit the LSR
- D. To control label distribution
Answer: B
NEW QUESTION # 78
In order to quickly detect network link failures, which of the following protocols can we deploy?
- A. ISPF
- B. Smart-Link
- C. RSTP
- D. BFD
Answer: D
NEW QUESTION # 79
Which of the following descriptions about the terminal security management features of Agile Controller is correct? (Multiple choice)
- A. If the endpoint does not comply with corporate security policy. Users often want to provide automatic repair functions. Now, automatic repair of non-compliance status has been fully realized. Users only need to click the mouse to achieve one-key repair in the shortest time.
- B. The endpoint security client checks endpoints according to the assigned security policy. After the check is passed, the server can notify the admission control device to open network permissions to the terminal. If the check fails, the terminal can be isolated and repaired
- C. Can control illegal web access
- D. Centrally configure and distribute policies to lower-level terminal security management servers through the MC management center
Answer: A,B,C,D
NEW QUESTION # 80
According to this figure, it can be known that in VLAN 300, on 2020-06-04, from 17:22:38 to 17:22:44, how many MAC flaps does the 00e0-fc3d-3bdb have?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 81
As shown in the figure, Client1 and Client2 serve as clients of RR1 and RR2 at the same time. RR1 and RR2 are in the same Cluster, and R1 has entered 10 routes. It is assumed that BGP is configured correctly.
All neighbor relationships have been established. How many routing entries exist in the BGP routing table of Client2?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 82
In order to advertise IPv6 routes in BGP4+, what fields are added in Update?
- A. A new path attribute: IPV6_REACH_NLRI
- B. A new path attribute: MP_REACH NLRI
- C. A new path attribute: AP_UNREACH_NLRI
- D. A new NLRI type, IPv6 NLR
Answer: B
NEW QUESTION # 83
When troubleshooting network faults, you judge and eliminate the root cause of the problem layer by layer in the order of access layer, aggregation layer, and core layer. Which of the following is this method of network troubleshooting?
- A. Block method
- B. Bottom-up approach
- C. Segmentation
- D. Contrastive configuration method
Answer: C
NEW QUESTION # 84
In OSPFv3, the LSA whose propagation range is one area has the ( ) class. (Fill in Arabic only)
- A. 129
Answer: A
NEW QUESTION # 85
Senior engineers with rich experience can quickly solve faults only by experience with high efficiency.
- A. True
- B. False
Answer: A
NEW QUESTION # 86
The Tos field is used to mark the QOS in the IP packet, and the first 6 bits of the Tos field are used to mark the DSCP.
- A. True
- B. False
Answer: A
NEW QUESTION # 87
Which of the following reasons may cause the hosts in the same VLAN of the local area network to fail to communicate with each other? (Multiple choice)
- A. Wrong port and MAC address binding is configured on the switch
- B. Switch MAC address learning error
- C. The interface is damaged by artificial shutdown or physical interface
- D. Port isolation is configured on the switch
Answer: A,B,C,D
NEW QUESTION # 88
OSPF fast convergence is an extended feature to improve the speed of routing convergence. The working principle of PRC (Partial Route Calculation) is: when the network topology changes, only path calculation is performed on the affected nodes, thereby speeding up route computation.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 89
Basic QinQ can choose the outer tag encapsulation method according to the business type.
- A. True
- B. False
Answer: B
NEW QUESTION # 90
Part of the configuration of R1 is as follows. Which statement about OSPF on R1 is correct?
- A. The device type of R1 is Leve-2
- B. The device type of R1 is Level-1
- C. The device type of R1 cannot be determined
- D. The device type of R1 is Level-1-2
Answer: D
NEW QUESTION # 91
As shown in the figure, the APLS LSP is configured in the network and the goal is to establish an LDP session between SWA and SWB, then which of the following statement is correct?
- A. The mpls lsr-id of the two devices cannot be configured in the same way
- B. No need to enable MPLS globally
- C. Configured correctly
- D. No need to enable MPLS on the port
Answer: A
NEW QUESTION # 92
Suppose there are four flows a.b.c.d of 50M respectively, the total port bandwidth is 100M, traffic congestion occurs, and congestion management is performed on them. Among them, traffic a belongs to PQ queue scheduling, traffic b.c.d belongs to WFQ queue scheduling, and the weight ratio is 1:2:2. Which descriptions are wrong about the scheduling results for the four types of traffic? (Multiple choice)
- A. The flow b passes through 25M, and the flow c and d pass through 12.5M respectively
- B. Traffic a through 100M
- C. Traffic a through 50M
- D. Flow b passes through 10M, flow c and d pass through 20M respectively
Answer: A,B
NEW QUESTION # 93
What can we infer from this graph? (Multiple choice)
- A. The system-ID of R1 is ee8c.a0c2.bafl
- B. R1 only has level-2 link state information
- C. In a level-2 network, there are a total of 8 routers
- D. R1 has both level-1 and level-2 link status information
Answer: A,B
NEW QUESTION # 94
Which of the following is a description of the process of establishing an LSP using the downstream autonomous label publishing method and the ordered label control method? (Multiple choice)
- A. The edge node finds that a new destination address that does not belong to any existing FEC appears in its routing table, and will not create a new FEC corresponding to it.
- B. When the node LSR receives the label mapping message, it also needs to add the corresponding entry in the label forwarding table
- C. If the outgoing node has a label available for allocation, it will allocate a label to the FEC and actively send a label mapping message to the upstream.
- D. The LSP establishment process actually binds the FEC and the label, and advertises the binding to the neighboring LSRs on the LSP
Answer: B,C,D
NEW QUESTION # 95
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