Free Jul-2023 UPDATED Huawei H12-831_V1.0-ENU Exam Questions & Answer
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NEW QUESTION # 135
In BGPIMPLS IP VPN, if the OSPF protocol is used between PEs and CEs to exchange routing information, the domain identifier (Domain ID) is used to distinguish whether the incoming routes in the VPI instance come from the same OSPF domain.
- A. False
- B. True
Answer: B
NEW QUESTION # 136
The configuration shown is performed on R2 to filter all incoming routes. Suppose there is a BGP route with the AS_Path attribute of [100200300400] on R1 that needs to be sent to R2. Please help the network administrator to adjust the AS order in the AS_Path attribute of the route on R1 to ensure that the route entry will not be filtered by the routing policy of R2____, ____, ____, ____.
- A. 400 This space corresponds to the [D] space in the routing policy
- B. 300 This space corresponds to the [C] space in the routing policy
- C. 100 This space corresponds to the [A] space in the routing policy
- D. 200 This space corresponds to the [B] space in the routing policy
Answer: A,B,C,D
NEW QUESTION # 137
Run the display ip interface GEO/D/D command to view statistics about ping packets received on the interface.
- A. False
- B. True
Answer: B
NEW QUESTION # 138
Which of the following operations is not part of the middle stage of dissection?
- A. business test
- B. Cutover preparation
- C. cutover implementation
- D. field defense
Answer: A
NEW QUESTION # 139
As shown in the figure, OSPF is enabled on all interfaces of the router, in which R4 and R5 can establish OSPF virtual connections.
- A. True
- B. False
Answer: B
NEW QUESTION # 140
Engineer Guan used two routers to test IPv6 services. By running the BGP4+ module to communicate with the branch, as shown in Juxin, an engineer captured packets to view the Updte packets sent by R1. Which of the following statements is true about the description of the message information?
- A. This message describes only oneBGPAttribute: Multi-protocol unreachableNLRIAttributes
- B. The next hop address of the route described in this packet is:2001:db8:2345:l::l\
- C. This message describes the current cancellationIPv6routing
- D. The maximum and the preceding length of the routing address described in this packet is:2001:db8:2345:l::l/128
Answer: A,C,D
NEW QUESTION # 141
Which of the following features affects BGP neighbor establishment?
- A. BGPCertification
- B. BGP GSTM
- C. ebgp max hop
- D. BGProute filtering
Answer: A,B,C
NEW QUESTION # 142
A router LSA is shown in the figure. Which of the following statement is wrong?
- A. The router has established adjacency
- B. This router is DR
- C. This router supports the import of external routes
- D. The Router ID of this router is 10.0.12.1
Answer: B
NEW QUESTION # 143
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 # 144
Which of the following are the advantages of VLAN aggregation? (Multiple choice)
- A. Increased flexibility of addressing
- B. Reduce the waste of IP addresses
- C. Realize the isolation of broadcast domains between Sub-VLANs
- D. Increased the number of available MLANs
Answer: B,C
NEW QUESTION # 145
Which of the following regular expressions can only match BGP routing entries that pass through AS200 and then AS300?
- A. _(200 300)_
- B. ^200|^300
- C. 200$|300$
- D. _[200 300]_
Answer: A
NEW QUESTION # 146
Which of the following reasons may cause the hosts in the same VLAN of the LAN to fail to communicate? (Multiple choice)
- A. Wrong port and MAC address binding is configured on the switch
- B. Switch MAC address learning error
- C. The interface is manually shut down or the physical interface is damaged
- D. Port isolation is configured on the switch
Answer: A,B,C,D
NEW QUESTION # 147
According to this picture, the door can be judged?
- A. system-IDforee8a0c2.baf2device whose type isLevel-1
- B. R4belong only toLevel-2
- C. R4belong only toLevel-1
- D. system-IDforee8c.a0c2.baf2device whose type isLevel-1-2
Answer: C,D
NEW QUESTION # 148
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 inType2 LSAcontains10.0.2.2/24routing information
- B. R2in the area0generated inTypel LSAcontains10.0.2.2/32routing information
- C. R2in the area0generated inType5 LSAcontains10.0.2.2/32routing information
- D. R2in the area0generated inType3 LSAcontains10.0.2.2/32routing information
Answer: B
NEW QUESTION # 149
In BGP4+, what is the content of the next hop network address field carried in the P_REA, CHLRI attribute in the Update packet?
- A. Can carry link-local addresses and global unicast addresses at the same time
- B. Only link-local addresses
- C. Can only be a global unicast address
- D. can just be a link-local address
Answer: A
NEW QUESTION # 150
Which LSA in OSPFv3 can be flooded within an area?
- A. Inter-Area-Prefix-LSA
- B. Intra-Area-Prefix-LSA
- C. Inter-Area-Router-LSA
- D. Link-LSA
Answer: B
NEW QUESTION # 151
Which of the following BGP routing attributes cannot control BGP routing?
- A. Originator ID
- B. MED
- C. Community
- D. AS Path
Answer: C
NEW QUESTION # 152
As shown in the figure:
- A. The LSA in the figure is generated by this router
- B. The type of the LSA is AS-exterma1-LSA
- C. This device is ABR
- D. The destination network described by this LSA is 10.0.23.0/24
Answer: D
NEW QUESTION # 153
What types of Link Types are included in the Router LSA in OSPF? (Multiple choice)
- A. Vlink
- B. StubNet
- C. TransNet
- D. P-2-P
Answer: A,B,C,D
NEW QUESTION # 154
Network administrator A wants to use A, CL to match specific routing entries. Which of the following routing entries will be matched by the A, CL rules in the figure?
acl number 2000
rule 10 permit source 10.0.0.0 0.0.6.0
- A. 10.0.0.0/24
- B. 10.0.0.1/32
- C. 10.0.2.0/24
- D. 10.0.1.0/24:
Answer: A,C
NEW QUESTION # 155
When troubleshooting the EBGP neighbor relationship, you find that the two directly connected devices use the loopback interface to establish a connection, so execute display current-configuration configuration bgp to check the unitary setting of peer ebgp-max-hop hop-count, which of the following statements is correct?
- A. hop-countmust be greater than2
- B. hop-countmust be greater than255
- C. hop-countmust be greater than15
- D. hop-countmust be greater than1
Answer: D
NEW QUESTION # 156
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