H12-831_V1.0 Certification Overview - [Oct 05, 2022] Latest H12-831_V1.0 PDF Dumps

The Best Huawei H12-831_V1.0 Study Guides and Dumps of 2022

NEW QUESTION 126
If the BFD session goes down, the direct link will fail.

• A. False
• B. True

Answer: A

 

NEW QUESTION 127
Regarding BGP/MPLS IPVPN routing interaction, which of the following description is wrong?

• A. The ingress PE will convert the IPv4 route received from the CE into a VPNv4 route, and save it according to different VPN instances
• B. After the egress PE receives the VPNv4 route advertised by the ingress PE, it filters the VPNv4 route according to the RT attribute carried by the route
• C. The egress PE can send IPv4 routes to the remote CE through BGP, IGP or static routing
• D. The exchange between PE and CE is IPv4 routing information

Answer: C

 

NEW QUESTION 128
According to this picture, we can judge?
<Huawei>display ospf Isdb router self-originate OSPF Process 1 with Router ID 10.0.12J Area: 0.0.0.0 Type:Router Lsid: 10.0.12 J Adv rtr: 10.0.12.1 Ls age: 312 Len: 36 Options : A, BR E
\seq#:80000013
1 chksum : 0xc61c
I Link count: 1
1 * Link ID: 10.0.12.2
I Data : 10.0.12.1
, Link Type: TransNet
. Metric : 1

• A. R1onlylevel-2link state information
• B. R1ofsystem IDYesee8c.a0c2.bafl
• C. R1existinglevel", andlevel-1-2Dimensional state information of

Answer: B

Explanation:
Ds level-2In the network, there are a total of8Tailu Electric

 

NEW QUESTION 129
A certain park deployed both IPv4 and IPv6 networks for service testing, and IS-IS was run to achieve network interconnection. IS-IS routing protocol has good scalability and is widely used in existing networks.
Regarding IS-IS scalability, which of the following statements are correct? (Multiple choice)

• A. IS-IS needs to add TLV to carry Pv6 address information in order to support PV6
• B. IS-IS uses TLV structure to construct messages, which makes IS-IS more flexible and expandable
• C. NLPID is a new TLV of IS-IS to support IPv6
• D. For IS-IS, adding new features only needs to add a new TLV

Answer: A,B,D

 

NEW QUESTION 130
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. WayA
• B. EC
• C. *D
• D. WayB

Answer: A,D

 

NEW QUESTION 131
Which of the following statements about 1S-IS (IPv6) is true?

• A. IS-ISWorking at the data link layer only needs to add newTLVready to supportPv6
• B. by defaultJS-ISTurn on the multi-topology feature
• C. to supportIPv6Processing and calculation of routesIS-ISnewly addedTLV232236
• D. to supportIPv6Processing and counting of routesBJS-ISexist129 TLVadded inNLPID

Answer: A,C,D

 

NEW QUESTION 132
Which statements are wrong about OSPF Router LSA and Network LSA? (Multiple choice)

• A. Routers running OSPF must generate Router LSA
• B. There must be both Router LSA and Network LSA in the OSPF network
• C. Network LSA carries both topology and routing information
• D. The router running DSPF must generate Network LSA

Answer: B,D

 

NEW QUESTION 133
LDP messages are exchanged between LSRs running the LDP protocol. LDP messages can be divided into four types according to their functions. Which of the following is not an LDP message type?

• A. Announcement
• B. Discovery
• C. Conversation message
• D. Label exchange messages

Answer: D

 

NEW QUESTION 134
The IS-IS Level-1 neighbor relationship between R3 and R4 is not established. According to the information in this figure_What is the possible reason?

• A. R3andR4ofIS-LevelMismatch
• B. R3andR1ofIIHAuthentication failed
• C. R3andR4different area codes
• D. R3andR4the interconnect interfacecircuit-typeMismatch

Answer: C

 

NEW QUESTION 135
As shown in the figure, Sitel and Site2 need to achieve mutual access through the operator's BGP/MPLS IPVPN. A known The public network tunnel between PE1 and PE2 has been established (the label information is shown in the figure), and PF1 has The 192.168.1.0/24 network segment route is advertised to PE2 through the MP.JIBGP neighbor relationship, and the route learning is normal. When grabbing between P and PE1, when Site2 accesses the 192.168.1.0/24 data of Sitel, the outermost label What should the sign be?

FEC In/Out label
1.1.1.1/32 6662/3

• A.
• B. 0
• C. 1
• D. 2

Answer: C

 

NEW QUESTION 136
What is the default aging time of the MA, C address table of Huawei switches?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: D

 

NEW QUESTION 137
Which of the following actions may affect the normal operation of the customer's network?

• A. software upgrade
• B. Hardware expansion
• C. Routing Protocol Configuration Changes
• D. Device naming

Answer: A,B,C

 

NEW QUESTION 138
The cutover risk assessment mainly considers which of the following aspects?

• A. time of risk
• B. Scope of Risk Impact
• C. loss from risk
• D. Location of key risk points

Answer: A,B,C,D

 

NEW QUESTION 139
As shown in the figure, network administrator A on the R1 router, after modifying the Local Preference value of the routing entry sent to R2 through the routing policy, can control the path of traffic leaving AS100.

• A. FALSE
• B. TRUE

Answer: A

 

NEW QUESTION 140
As shown in the figure, MPLS/BGP IPVPN is deployed in the network. The MP-BGP neighbor relationship is established between PE1 and PE2 through the LoopbackD interface. After the configuration is completed, it is found that CE1 and CE2 cannot learn routes from each other. Use the command on PE2 to query neighbor information as shown in the figure. What is the most likely cause of the problem?

• A. The LSP tunnel between PE1 and PE2 is not established
• B. The VPN instance parameters on PE1 or PE2 are incorrectly configured
• C. PE1 and PE2 are not enabled with neighbors in the BGP-VPN4 unicast address family view
• D. The routing protocol configuration between PE1 or PE2 and the respective CE is incorrect

Answer: C

 

NEW QUESTION 141
Qing technology is a technology that expands the VLAN space. It achieves the function of expanding the VLAN space by adding a layer of 8D2.1Q Tag on the basis of the 8Q2.12 tag message.
Which of the following statements about qinq is wrong?

• A. QinQ technology can make the private network LAN transparently transmitted on the public network
• B. Flexible QinQ can add different outer tags according to different inner tags, which is more precise in the division of user VLANs.
• C. QinQ increases the number of VLANs to 4095*4095
• D. Basic QinQ is implemented based on the interface method

Answer: C

 

NEW QUESTION 142
The network administrator A wants to use ACL to match only the four routing entries 1, 3.5, and 7 in the figure. How many ACL rules does the network administrator A need to configure at least?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: C

 

NEW QUESTION 143
EGP authentication can prevent illegal routers from establishing neighbors with BCP routers. BCP authentication can be divided into MD5 authentication and Keychain authentication. Which of the following BGP messages will carry BCGP Keychain authentication information? ((Multiple choice)

• A. Notication
• B. Keepalive
• C. Open
• D. Update

Answer: A,B,C,D

 

NEW QUESTION 144
In the DU label distribution mode, if the Liberal retention mode is adopted, the device will retain all the labels distributed by the LDP Peer, regardless of whether the LDP Peer is the optimal next-hop to reach the target network segment.

• A. FALSE
• B. TRUE

Answer: B

 

NEW QUESTION 145
Which of the following commands can be used to view information about BGP VPNv4 routes and BGP private network routes on PEs interest

• A. display bgp routing-table ipv4-family vpnv4
• B. display vpnv4 bgp routing-table
• C. display bgp routing-table address-family vpnv4
• D. display bgp vpnv4 routing-table

Answer: D

 

NEW QUESTION 146
After a fault occurs, you need to collect and back up various types of fault information in time as a reference for troubleshooting. In addition, when seeking emergency assistance from Huawei Technologies Co., Ltd.

• A. False
• B. True

Answer: B

 

NEW QUESTION 147
According to this figure, it can be known that in VLAN 300, from 17:22:38 to 17:22.44,00e0-fc3d-3bdB. 0 MA, C flaps occurred on 2020-06-04.

• A. 0
• B. 1
• C. 2
• D. 3

Answer: A

 

NEW QUESTION 148
Part of the configuration of R1 is as follows, which of the following statement about OSPF on R1 is correct? (Multiple choice)

• A. The OSPF LSD8 of process 1 and process 2 have different LSAs in the area
• B. The routing information of VRF tt will appear in the routing table of OSPF process 1
• C. The routing information of VRF tt will not appear in the routing table of OSPF process 1
• D. The OSPF LSDBs of process 1 and process 2 have exactly the same LSA in area 0

Answer: A,C

 

NEW QUESTION 149
Configure ipv6 preference in IS-IS protocol view. The function of this command is to configure the preference of IPv6 routes generated by lS-Is protocol.

• A. FALSE
• B. TRUE

Answer: B

 

NEW QUESTION 150
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