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Huawei is a leading provider of networking and telecommunications equipment and solutions. The Huawei H12-831_V1.0 certification exam is a testament to the company's commitment to providing high-quality products and services to its customers. By obtaining this certification, IT professionals can demonstrate their proficiency in using Huawei devices and technologies to design, deploy, and manage complex network infrastructures.
NEW QUESTION # 114
If the display current-configuration can reach the IS-IS configuration, but there is no IS-IS configuration in the display saved-configuration, what does it mean?
- A. The running IS-IS configuration of the memory is not saved to the Flash
- B. The running IS-IS configuration in the memory has been saved to the Flash
- C. The IS-IS configuration that the Flash is running is not saved to the memory
- D. No IS-IS command is entered
Answer: A
NEW QUESTION # 115
As shown in the figure, R1, R2, R3, and R4 are in the same PLs domain, and LDP is used to distribute IPLS labels between devices.
R4 is the Egress LSR of the FEC 4.4.4.0/24. If you want to achieve R1 access 4.4.4.0/24, R4 does not need to query the label table but can know the forwarding priority of the data, then the outgoing label of R3 for the FEC should be:____. (Please fill in the Arabic numerals directly, without symbols)
Answer:
Explanation:
(0)
NEW QUESTION # 116
display interface GEO/O/O once, and found that the Total Eror count (the total number of error packets at the physical layer of the interface) is not correct. . At this time, it can be concluded that the current time and fall has not disappeared.
- A. True
- B. False
Answer: A
NEW QUESTION # 117
The Discovery message of LDP is used for neighbor discovery, and LDP has different discovery mechanisms when discovering neighbors. The following statement about the Discovery message in the basic discovery mechanism is correct
- A. TCPAfter the connection is establisheD. LSRdo not continue sendingHello Message
- B. Purpose of the messageIPaddress is multicastIPaddress224.0.0.2
- C. This message is encapsulated inUDPIn the message, the destination port number is646
- D. The message is sent to the specifiedLDP Peer
Answer: B,C
NEW QUESTION # 118
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. True
- B. False
Answer: A
NEW QUESTION # 119
The following six tools cannot be used to match BGP routing entries?
- A. basicA, CL
- B. advancedA, CL
- C. IP Prefix List
- D. Community Filter
Answer: B
NEW QUESTION # 120
As shown, all routers run OSPF. Which of the following statements is correct?
- A. R2in the area1and area0will generateRouter LSA
- B. R2WillR1GeneratedRouter LSAforward toR3
- C. R2only in area0generated inRouter LSA
- D. R2WillR3GeneratedRouter LSAforward toR1
Answer: A
NEW QUESTION # 121
In order to speed up the perception of link failures in the IS-IS network, IS-IS can be linked with BFD.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 122
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. outer layer label:1027:inner label:1027
- B. Layer Label,1025:inner label:1025
- C. outer layer label:1025:inner label:1027
- D. Layer Label:1027:inner label:1025
Answer: C
NEW QUESTION # 123
Compared with the OSPFv2 message header, what fields are added in the OSPFv3 message header?
- A. IPV6 Auth Type
- B. Instance ID
- C. IPV6 Router ID
- D. Link ID
Answer: B
NEW QUESTION # 124
Regarding BGP/MPLS IPVPN routing interaction, which of the following description is wrong?
- A. 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
- B. The egress PE can send IPv4 routes to the remote CE through BGP, IGP or static routing
- C. The ingress PE will convert the IPv4 route received from the CE into a VPNv4 route, and save it according to different VPN instances
- D. The exchange between PE and CE is IPv4 routing information
Answer: B
NEW QUESTION # 125
MPLS has the concept of FEC forwarding equivalence class, so FEC cannot be allocated based on which of the following standards?
- A. Class of Service
- B. Application Protocol
- C. Destination Addess
- D. Fragment of fiset
Answer: D
NEW QUESTION # 126
Regarding BGP/MPLS IPVPN data forwarding, which of the following descriptions is wrong?
- A. data inB, CP/MPLS IP VPNWhen the backbone network is transmitted, it always carries two layers of labels
- B. The inner label when data is forwarded is defined byMP-BGPdistribute
- C. PEsend toCEThe data isIPv4Genuine
- D. The outer layer label when data is forwarded can beLDPdistribute
Answer: A
NEW QUESTION # 127
What is the command to adjust the link cost of an IS-IS interface?
- A. isis cost
- B. isis circuit-type
- C. isis circuit-level
- D. isis timer hello
Answer: A
NEW QUESTION # 128
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. IPaddress conflict
- B. Inconsistent duplex modes of interfaces on both ends
- C. Inconsistent luminous power at both ends
- D. Interface authentication is inconsistent
Answer: C
NEW QUESTION # 129
As shown in the figure, the MP_BGP neighbor relationship is established between PE1 and PE2 through the Loopback0 interface. After the configuration is completed, it is found that CE1 and CE2 cannot learn routes from each other. Which of the following options will cause this problem? (Multiple choice)
- A. The routing protocol configuration between PF1 or PE2 and the respective CE is incorrect
- B. The LSP tunnel between PE1 and PE2 is not established
- C. The VPN instance parameters on PE1 or PE2 are incorrectly configured
- D. PE1 or PE2 is not enabled with neighbors in the BGP-VPNv4 unicast address family view
Answer: A,B,C,D
NEW QUESTION # 130
Which of the following regular expressions can match only BGP routes that pass through AS200 and then through AS300 eyes?
- A. A200|A300
- B. 200$|300$
- C. _(200 300)_
- D. _[200 300]
Answer: C
NEW QUESTION # 131
The traditional BGP 4 can only manage IPv4 single routing information. In order to provide support for a variety of network layer protocols, MP-BGP extends BGP-4. MP-BGP uses address families to distinguish different network layer protocols. Which of the following address families are currently supported?
- A. BGP-VPNv4address family
- B. BGP-IPV6Unicast address family
- C. BGP-MPexampleIPv6address family
- D. BGP-IPV4broadcast address family
Answer: A,B,C
NEW QUESTION # 132
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