[2022] Use Valid H12-831_V1.0 Exam - Actual Exam Question & Answer
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NEW QUESTION 64
Which of the following features affects BGP neighbor establishment?
- A. BGP GSTM
- B. BGProute filtering
- C. ebgp max hop
- D. BGPCertification
Answer: A,C,D
NEW QUESTION 65
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 prevent the host from changing the IP address privately
- D. IPSG can turn on the IP packet inspection and alarm function, and cooperate with the network management to perform alarms
Answer: B
NEW QUESTION 66
In OSPFv3, an LSA whose propagation range is one area has_____kind. (Fill in Arabic numerals only)
Answer:
Explanation:
9
NEW QUESTION 67
There is a concept of forwarding equivalence class (FEC-Fowarding Equivalence Class) in MPLS, so FEC does not Can the allocation be made based on which of the following criteria?
- A. sFragment offset (Fragment office)
- B. Application protocol(Application Protocol)
- C. Service type(Class of Service)
- D. target address(Destination Addess)
Answer: A
NEW QUESTION 68
In an operator's MPLSVPN network, there are two devices PE1 and PE2 for MPLSVPN data forwarding. PE1 receives a private network route of 172.16.1.0/24 from the client, and converts it to a VPNv4 route on PE1 and assigns a label of 1027 Released to PE2. The outgoing label of the MPLS LSR-ID of PE2 reaching PE1 is 1025o When a client on PE2 accesses 172.16.1.0/24, the frame sent by PE2, the inner and outer labels should be a combination of the following 6 options?
- A. Layer Label:1027:inner label:1025
- B. outer layer label:1027:inner label:1027
- C. outer layer label:1025:inner label:1027
- D. Layer Label,1025:inner label:1025
Answer: C
NEW QUESTION 69
In an MPLS network, there are different types of operations for labels, among which the meaning of the "pop" action is?
- A. Add the top label to the MPLS label stack
- B. Replace the top label with another set of labels
- C. Remove the top label from the MPLS label stack
- D. Replace the top label with another value
Answer: C
NEW QUESTION 70
Regarding BGP/MPLS IPVPN data forwarding, which of the following description is wrong?
- A. The data sent by the PE to the CE is an IPv4 packet
- B. The outer label during data forwarding can be allocated by LDP
- C. The inner label during data forwarding is assigned by MP-BGP
- D. When data is transmitted on the BCP/MPLS IP VPN backbone network, it always carries two layers of labels
Answer: D
NEW QUESTION 71
The OSPF protocol is run between CE and PE, when CE1 advertises the route of its site to CE2. Which of the following descriptions is incorrect?
- A. whenPE2receivePEIsentBGProutedDomain IDSame as local forType3 LSA.
PE2will generateType5 LSA - B. whenPE2receivePE1sentBGProutedDomain IDWhen the same as local, forTypel LSAandType2LSA. PE2will generateType3 LSA
- C. whenPE2receivePE1sentBGProutedDomain IDcorrect for all when different from localLSA.
PE2will generateType5LSAorType7 LSA - D. PEIconfiguredDomain IDcan be used asBGPThe extended community attribute of is sent with the route toPE2
Answer: A
NEW QUESTION 72
Which of the following will not cause the VRRP backup group to oscillate?
- A. Backup device interface packet loss
- B. The link that transmits VRRP notification packets flaps
- C. The time interval of notification messages is too small
- D. The VRRP backup group preemption delay configuration on both ends is inconsistent
Answer: D
NEW QUESTION 73
Which of the following are not included in the security protection actions that a secure MAC address can perform?
- A. Remark
- B. Shutdown
- C. Restrict
- D. Protect
Answer: A
NEW QUESTION 74
BGP4+ carries the next hop address of the IPv6 route through the Next Hop attribute in the Update message.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 75
By default, the Domain ID of each OSPF process running on the router is the same as the process number of the process, which can be modified by the domain-id command under the process
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 76
As shown in the figure, all routers run OSPF, because R3 is in the backbone area, so in the LSDB of R3 There are no three types of LSAO
- A. False
- B. True
Answer: A
NEW QUESTION 77
When B, CPIMPLS TP VPN is deployeD. the OSPF VPN Route Tag (VPN Route Tag) is not transmitted in the extended community attribute of MP-BGP, but the local concept is only meaningful on PE routers that receive MP-BGP routes and generate OSPF LSAs.
- A. False
- B. True
Answer: A
NEW QUESTION 78
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. R3andR1the interconnect interfacecircuit-typeMismatchWhen troubleshooting MSTP faults, you executed the display current-configuration command to obtain
- B. R3andR1ofIIHAuthentication failed
- C. R3andR1ofI5-LevelMismatch
- D. R3andR1ofSystem IDrepeat
Answer: C
NEW QUESTION 79
Can Huawei equipment perform traffic suppression for Mingbi packets?
- A. broadcast
- B. known unicast
- C. multicast
- D. Unknown unicast
Answer: A,B,C,D
NEW QUESTION 80
Network administrator A wants to use the AS-Path Fiter to match the routing entries of the BGP routing attribute AS_PATH [100 200 300]. Network administrator A sorts out the four configurations in the figure. Which of the following configurations can satisfy network administrator A's requirements? Require?
- A. *D
- B. WayB
- C. EC
- D. WayA
Answer: B,D
NEW QUESTION 81
Which of the following descriptions is correct about configuring static LSPs in MPLS networks?
- A. when a certainLSRforEgress LSR, you only need to configureIn Label,The range is 16-1023
- B. when a certainLSRforIngress LSR, just configureOut Label,The range is 16~1048575
- C. when a certainLSRforTransit LSRneed to be configured at the same timeIn LabelandOut Label,The range is 16-1023
- D. when a certainLSRforTransit LSR, you need to configureIn LabelandOut labeljn LabelThe range is 16~1023,Out LabelThe range is16~1048575
Answer: A,B,D
NEW QUESTION 82
As shown in the figure, in a medium-sized network, BGP generally deploys dual RRs to improve R reliability. When deploying dual RRs, the Cluster IDs of the two RRs are generally set to be the same. The reason for this is
- A. Prevent RR from receiving too many routes and causing insufficient memory
- B. Prevent the client from receiving too many routes and causing it to run out of memory
- C. prevent loops
- D. prevent suboptimal
Answer: A
NEW QUESTION 83
Please match the command with the function implemented.
- A. display device-® Display version-® Display memory-usage-® Display cpu-usage-?
- B. display device-® Display version-® Display memory-usage-® Display cpu-usage-?
- C. display device-® Display version-® Display memory-usage-® Display cpu-usage-?
- D. display device-® Display version-® Display memory-usage-® Display cpu-usage-?
Answer: B
NEW QUESTION 84
Which of the following aspects should be considered in the cutover risk assessment? (Multiple choice)
- A. Scope of risk impact
- B. Location of key risk points
- C. Loss caused by risk
- D. Time of risk impact
Answer: A,B,C,D
NEW QUESTION 85
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
Answer: A
NEW QUESTION 86
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