Huawei H12-831-ENU HCIP-Datacom Online Training
Huawei H12-831-ENU Online Training
The questions for H12-831-ENU were last updated at Dec 23,2024.
- Exam Code: H12-831-ENU
- Exam Name: HCIP-Datacom
- Certification Provider: Huawei
- Latest update: Dec 23,2024
In order to speed up the perception of link failures in the IS-IS network, IS-IS can be linked with BFD.
- A . TRUE
- B . FALSE
In OSPF, ABR will convert all Type 7 LSAs in the NSSA area into Type 5 LSAs.
- A . TRUE
- B . FALSE
Regarding the IPSG, which of the following statement is incorrect?
- A . IPSG can prevent IP address spoofing attacks
- B . IPSG is a source IP address filtering technology based on the three-layer interface
- C . IPSG can turn on the IP packet inspection and alarm function, and cooperate with the network management to perform alarms
- D . IPSG can prevent the host from changing the IP address privately
Which of the following are not included in the security protection actions that a secure MAC address can perform?
- A . Protect
- B . Restrict
- C . Shutdown
- D . Remark
An engineer uses two routers to test IPv6 services, and simulates the interconnection between the headquarters and branches by running BGP4+. As shown in the figure, an engineer captures the packet to view the update message sent by R1.
Regarding the description of the message information, which of the following statements is correct?
- A . The next-hop address of the route described in this message is: 2001:db8::2345:1.:1
- B . The message describes the currently revoked IPv6 route
- C . The routing address prefix and its prefix length described in this message are: 2001:db8:2345:1::1/128/
- D . The route described in the message may be imported through import
As shown in the figure, a certain park has deployed IPv6 for service testing, and there are 4 routers in the network. Run OSPFv3 to realize network interconnection.
Regarding the LSA generated by the OSPFv3 network, which of the following statements is wrong?
- A . R1 itself will generate Router-LSA to describe device interface information, and will receive Router-LSA generated by R2 and R3 at the same time
- B . There is a Network LSA generated by R3 in the LSDB of R1, indicating that R3 may be the DR of this link
- C . R1 will receive the two Link-LSAs generated by R2, describing the two links information connected to R2 respectively
- D . As an ABR, R2 will generate Inter-Area-Prefix-LSA describing the IPv6 address prefix of Area 1, and advertise it to R1 and R3
A network engineer outputs the following information when troubleshooting OSPF. Based on this, determine which reason causes the adjacency relationship to fail to be established normally?
- A . Authentication password is not-consistent
- B . Regional type is not-consistent
- C . The interval for sending Hello messages is not-consistent
- D . The IP address mask of the interface is not-consistent
A router is running OSPF, and the output information is as shown in the figure. Which of the following statements is correct?
- A . The type of the LSA is AS-externa1-LSA
- B . The destination network described by this LSA is 10.0.23.0/24
- C . The LSA in the figure is generated by this router
- D . This device is ABR
When there are multiple redundant links in the IS-S network, multiple equal-cost routes may appear.
Regarding equal-cost routes in an IS-IS network, which of the following descriptions is wrong?
- A . When the number of equal-cost routes in the networking is greater than the number configured through commands, and the priorities of these routes are the same, the route with the higher System ID of the next hop device is preferred for load sharing
- B . If negative arbitration sharing is configured, the traffic will be evenly distributed to each link
- C . After the equal-cost routing priority is configured, when the IS-IS device forwards the traffic that reaches the destination network segment, it will not adopt the load sharing method, but will forward the traffic to the next-hop with the highest priority.
- D . For each route in the equal-cost route, the priority can be specified, and the route with the higher priority will be preferred. The rest are used as backup routes
As shown in the figure, all routers run OSPF.
Which of the following statements is correct?
- A . R2 generates Router LSA in both area 1 and area 0
- B . R2 forwards the Router LSA generated by R3 to R1
- C . R2 forwards the Router LSA generated by R1 to R3
- D . R2 only generates Router LSA in area 0
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