[2025年03月21日] 最速合格には素晴らしいH12-831_V1.0無料テストPDF本日更新です
無料でゲット！最新の2025年最新の有効な練習HCIP-Datacom H12-831_V1.0問題と解答でテストエンジン
質問 # 23
As shown in the figure, the MP_BGP neighbor relationship is established between PE1 and PE2 through the LoopbackO interface. After the configuration is complete, it is found that CE1 and CE2 cannot learn routes from each other. Which of the following options will cause this problem.
- A. PE1orPE2± of VPN Instance parameter configuration error
- B. PF1orPE2 with each otherCEMisconfigured routing protocol between
- C. PE1andPE2 between LSPTunnel not established
- D. PEIorPE2 not presentBGP-VPNv 4Enabling neighbors in unicast address family view
正解：A、B、C、D
質問 # 24
According to this figure, which statement is correct about the IPv6 routing information calculated by the R4 router through IS-IS?
- A. R4withoutIS-ISrouting entry for
- B. R4have2equivalentIS-ISdefault route
- C. R4have2not equivalentIS-ISdefault route
- D. day4have1stripIS-ISdefault route
正解：B
質問 # 25
Please match 0SPFv3LSA with its transmission range.
AS-external-LSA Autonomous system-wide intra-regional propagation
Network-1SA intra-regional spread
正解：
解説：
Link LsA local link range
質問 # 26
According to this picture, the door can be judged?
- A. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2
- B. R4belong only toLevel-1
- C. system-IDforee8a0c2.baf2device whose type isLevel-1
- D. R4belong only toLevel-2
正解：A、B
質問 # 27
As shown in the figure, OSPF is enabled on all interfaces of the router. Which of the following statements is correct?
- A. R2in the area0generated inType3 LSAcontains10.0.2.2/32routing information
- B. R2in the area0generated inType5 LSAcontains10.0.2.2/32routing information
- C. R2in the area0generated inType2 LSAcontains10.0.2.2/24routing information
- D. R2in the area0generated inTypel LSAcontains10.0.2.2/32routing information
正解：D
質問 # 28
To speed up the detection of link failures in an IS-IS network, you can associate IS-IS with BFD.
- A. False
- B. True
正解：B
質問 # 29
OSPFV2 is an IGP running on an IPv4 network; OSPFV3 is an IGPo running on an IPv6 network. The basic working mechanism of OSPFv3 is the same as that of OSPFV2, such as the election of DR and B, DR. As shown in the figure, an engineer uses 3 routers to test IPv6 services. He wants to realize the interconnection of IPv6 networks by running OSPFV3.
Pass. Which of the following statements about the election of the network DR is correct?
- A. After the network converges,R1forDR
- B. After the network convergesR1Power off and restart, when the network converges again,R3forDR
- C. After the network converges, a new device is added to the broadcast linkR4,R4the priority is150. When the network converges again,R4forDR
- D. After the network converges, engineers modifyR1the priority is100,R2the priority is10,R3Keep the default value. When the network converges again,R1forDR, R2forB, DR
正解：B
質問 # 30
When MPLS is deployed in the network and the network layer protocol is IP, the route corresponding to the FEC must exist in the IP routing table of the LSR, otherwise the label forwarding entry of the FEC will not take effect.
- A. FALSE
- B. TRUE
正解：B
質問 # 31
During an attempt to log in to a NetEngine AR6120 through the console port, the network engineer finds that the password is incorrect and the login fails. If a Telnet account can be used to log in to the device and the account has the permission to change the console port password, the network engineer can log in to the device through Telnet to change the console port password.
- A. FALSE
- B. TRUE
正解：B
質問 # 32
An engineer uses two routers to test IPv6 services, and runs 0SPFv3 to implement IPv6 network interconnection. R1 is required to be able to access the loopback interface address of R2. The engineer checked the OSPFv3 routing table entry of R1, as shown in the figure, and found that there was no route to the loopback interface address of R2. Which of the following reasons could not be the cause?
- A. R2 does not use network to advertise loopback address in area 0
- B. R2 does not have 0SPFv3 enabled on the loopback interface
- C. R2 advertises the loopback interface into different OSPFv3 processes
- D. R2 is not configured with the Router ID used in the OSPFv3 process
正解：B
質問 # 33
According to the configuration shown in the figure below, you can know that how many interfaces of R4 are advertised into IS-IS?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
質問 # 34
Network administrator A wants to use AS-Path Filter to match the BGP routing attribute AS_PATH[100200300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can meet the requirements of network administrator A?
- A. way B
- B. WayC
- C. way D
- D. way A
正解：A、D
質問 # 35
Which of the following descriptions about TTL in the MPLS header are correct? (Multiple choice)
- A. There are two ways to deal with MPLST correctly and TTL. One is to copy the TTL value of the MPLS header when an IP packet enters the MPLS network. The other is to set the TTL of the MPLS header to 255 at the ingress LER.
- B. The processing method of copying the IP TTL value hides the LSR of the MPLS domain and plays a certain security role
- C. Can prevent infinite loop forwarding of messages
- D. When the TTL of the shell is disabled, tracert can see the LSR of the MPLS domain that it passes through
正解：A、C
質問 # 36
When a fault occurs, the fault can be classified to reduce the scope of fault location. Which of the following is not an interface configuration fault?
- A. Inconsistent interface authentication
- B. The duplex modes of the interfaces on both ends are inconsistent
- C. IP address conflict
- D. The receiving and emitting power of both ends is inconsistent
正解：D
質問 # 37
Senior engineers with rich experience can quickly solve faults only by relying on experience, and the efficiency is very high.
- A. FALSE
- B. TRUE
正解：B
質問 # 38
In the finishing work of the structured network troubleshooting process, which of the following are the documents that need to be handed over? (Multiple choice)
- A. Maintenance suggestions to avoid the failure
- B. Troubleshooting summary report
- C. Troubleshooting process documentation
正解：A、B、C
質問 # 39
If you want to check the files under Flash, which command should you use?
- A. dir sdO:
- B. display patch-information
- C. dir sdl:
- D. dir flash:
正解：D
質問 # 40
To support the processing and calculation of IPv6 routes, IS-IS adds a new NLPID to TLV 129. The NLPID is an 8-bit field that identifies network layer protocol packets. Which of the following is the NLPID of IPv6?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 41
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