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The HCIP-Datacom-Advanced Routing & Switching Technology V1.0 certification exam is intended for IT professionals who are responsible for designing, configuring, and troubleshooting complex datacom networks. H12-831_V1.0-ENU exam covers a range of topics, including advanced routing and switching technologies, network security, and network optimization. Individuals who pass the exam are recognized as experts in their field and are well-equipped to tackle the challenges of modern datacom networks.
NEW QUESTION # 147
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. NLPID is a new TLV of IS-IS to support IPv6
- B. For IS-IS, adding new features only needs to add a new TLV
- C. IS-IS uses TLV structure to construct messages, which makes IS-IS more flexible and expandable
- D. IS-IS needs to add TLV to carry Pv6 address information in order to support PV6
Answer: B,C,D
NEW QUESTION # 148
IS-/S supports multi-instance and multi-process, that is, one IS-S router. Multiple VPN instances can be configured with multiple IS-IS process associated. Are the following descriptions of IS-JS multi-instance and multi-process correct?
- A. 1indivualVPNInstances can be associated with multiple differentIS-ISprocess association
- B. 1indivualIS-ISprocess can be associated with multiple differentVPNinstance association
- C. indivualIS-ISprocess can only be used with1indivualVPNinstance association
- D. if oneIS-ISThe router creates multipleIS-ISProcess, each process does not affect each other, independent of each other
Answer: A,C,D
NEW QUESTION # 149
A company consists of a head office and two branches, and uses MPLS VPN technology to deliver private network routes. In the networking mode of HuB & Spoke. Branches can only send and receive routing with the head office, and branches cannot directly send and receive routing with each other. In order to achieve the above requirements, which of the following options can be set for RT? (Multiple choice)
- A. Headquarters: Import Target: 1:1; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1. Branch 2: Import Target: 3:3; Export Target: 2:2
- B. Head Office: Import Target: 2:2; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1. Branch 2: Import Target: 3:3; Export Target.2:2
- C. Headquarters: Import Target 1:1, 2:2; Export Target: 3:3. Branch 1: Import Target: 3:3; Export Target: 1:1. Branch 2: Import Target: 3:3; Export Target: 2:2
- D. Headquarters: Import Target 12:3; Export Target: 3:12. Branch 1: Import Target: 3:12; Export Target 12:3. Branch 2: Import Target: 3:12: Export Target: 12:3
Answer: C,D
NEW QUESTION # 150
Which packets can Huawei devices perform traffic suppression for? (Multiple choice)
- A. Broadcast
- B. Multicast
- C. Unknown unicast
- D. Known unicast
Answer: A,B,C,D
NEW QUESTION # 151
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. IP address conflict
- B. The duplex modes of the interfaces on both ends are inconsistent
- C. The receiving and emitting power of both ends is inconsistent
- D. Inconsistent interface authentication
Answer: C
NEW QUESTION # 152
In addition to the virtual link, what type of IPv6 address is the source IPv6 address of the He11o packet of OSPFv3?
- A. Link local address
- B. IPv6 anycast address
- C. Global unicast address
- D. Unique local address
Answer: A
NEW QUESTION # 153
Match the alarm severity to the severity of the fault and countermeasures
- A. Critical-3, Major-2, Minor-1, Warning-4
- B. Critical", Major-2, Minor-3, Warning-4 A
Answer: A
NEW QUESTION # 154
As shown, all routers run OSPF. Which of the following statements is correct?
- A. R2WillR3GeneratedRouter LSAforward toR1
- B. R2only in area0generated inRouter LSA
- C. R2WillR1GeneratedRouter LSAforward toR3
- D. R2in the area1and area0will generateRouter LSA
Answer: D
NEW QUESTION # 155
After the cutover is completeD. it is generally necessary to check the following items?
- A. physical topology
- B. control plane entry
- C. Software version
- D. data flow
Answer: B,D
NEW QUESTION # 156
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:1025:inner label:1027
- B. Layer Label,1025:inner label:1025
- C. Layer Label:1027:inner label:1025
- D. outer layer label:1027:inner label:1027
Answer: A
NEW QUESTION # 157
What is the Router-ID of OSPFv3?
- A. 64-bit value
- B. 100-bit value
- C. 128-bit value
- D. 32-bit value
Answer: D
NEW QUESTION # 158
Which of the following statements about the OSPFv3 message format is correct? (Multiple choice)
- A. There is no change in the option field of the Hello message
- B. Hello message no longer contains address information and Interface ID
- C. OSPF version number changed from 2 to 3
- D. Removed Authentication and Auth Type fields
Answer: B,C,D
NEW QUESTION # 159
OSPFv2 is an IGP running on an IPv4 network; OSPFv3 is an IGP running on an IPv6 network. The basic working mechanism of OSPFv3 is the same as OSPFv2, such as the election of DR and BDR. As shown in the figure, an engineer uses three routers to test IPv6 services. He wants to realize the interconnection and interoperability of IPv6 networks by running OSPFv3.
Which of the following statements regarding the election of DR on this network is correct?
- A. After the network converges, the engineer changes the priority of R1 to 100, the priority of R2 to 10, and the default value of R3. When the network converges again, R1 is DR and R2 is BDR
- B. After the network converges, a new device R4 is added to the broadcast link, and the priority of R4 is 150. When the network converges again, R4 is the DR
- C. After the network converges, R1 is powered off and restarted. When the network converges again, R3 is the DR
- D. After the network converges, R1 is the DR
Answer: C
NEW QUESTION # 160
The input information of a router is as follows. Which of the following causes the OSPF adjacency cannot be established normally?
- A. Hell. Inconsistent message sending interval
- B. Inconsistent area type
- C. Area code does not match
- D. interfaceIPInconsistent address masks
Answer: A,C
NEW QUESTION # 161
As shown in the figure, on the R1 router, network administrator A sends the routing entry to R2 through the routing policy After modifying the MED value, you can control the path of traffic entering the AS100
- A. False
- B. True
Answer: B
NEW QUESTION # 162
Which of the following commands can be used to view BGP VPNv4 routing and BGP private network routing information on PE?
- A. display vpnv4 bgp routing-table
- B. display bgp routing-table address-family vpnv4
- C. display bgp vpnv4 routing-table
- D. display bgp routing-table ipv4-family vpnv4
Answer: C
NEW QUESTION # 163
R1 executes the operation ping -a lO.l.Ll 10.5.16.2, what is the meaning of this command?
- A. pingpackage sourceIFPaddress isR1direction10.5.16.2the optimalIPThe outgoing interface address of the route, and is not
10.1.1.1 - B. pingPurpose of the packageIPaddress is10.1.1.1and10.5.16.2
- C. pingpackage sourceIPaddress isR1any direct interface address of
- D. pingpackage sourceIPaddress is10.1.1.1
Answer: D
NEW QUESTION # 164
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. Troubleshooting summary report
- B. Troubleshooting process documentation
- C. Maintenance suggestions to avoid the failure
Answer: A,B,C
NEW QUESTION # 165
As shown in the figure, the carrier BGP/MPLS IP VPN backbone network constructs SP through DP. If you want to realize the intercommunication between the two sites of user X through the BGP/MPLS IPVPN network, the 32bit mask of Loopback interface address must be used between PE1 and PE2 to establish the MP-IBGP peer relationship.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 166
What types of Link Types are included in the Router LSA in OSPF? (Multiple choice)
- A. StubNet
- B. Vlink
- C. TransNet
- D. P-2-P
Answer: A,B,C,D
NEW QUESTION # 167
As shown in the figure, on the R1 router, the network administrator can control the path of the traffic entering AS100 after modifying the value of the routing entry sent to R2 through the routing policy.
- A. wrong
- B. Yes
Answer: B
NEW QUESTION # 168
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. R3andR4the interconnect interfacecircuit-typeMismatch
- B. R3andR4ofIS-LevelMismatch
- C. R3andR4different area codes
- D. R3andR1ofIIHAuthentication failed
Answer: C
NEW QUESTION # 169
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 inType5 LSAcontains10.0.2.2/32routing information
- B. R2in the area0generated inTypel LSAcontains10.0.2.2/32routing information
- C. R2in the area0generated inType3 LSAcontains10.0.2.2/32routing information
- D. R2in the area0generated inType2 LSAcontains10.0.2.2/24routing information
Answer: B
NEW QUESTION # 170
A campus has deployed IPv6 for service testing. There are 4 routers in the network, running 0SPFV3.
Interconnection of IPv6 networks. As shown in the figure, an engineer checked the LSDB of R2 and intercepted one of them Link-LSAs. Which of the following statements is true about the description of this LSA?
- A. produce theLSAThe router isR2
- B. R2interfaceGEO/O/OThe link-local address force:FE80::2E0;FCFF:FEC, D:4F79
- C. R2interfaceGE0/0/0IPV6address prefix:2001:2343:23: :/64
- D. ShouldLSAshowR2External routing is not supported, but participatingIPv6route calculation
Answer: A,B,C
NEW QUESTION # 171
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