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Huawei H12-891_V1.0-ENU（HCIE-Datacom V1.0）試験は、データ通信技術の専門知識を証明したいプロフェッショナル向けに Huawei が提供する認定試験です。この試験は、Huawei の製品と技術を使用して複雑なデータ通信ソリューションを設計、実装、トラブルシューティングする能力を候補者がテストすることを目的としています。この試験は、ネットワークアーキテクチャの設計、ルーティングおよびスイッチング、MPLS VPN、IPv6、ネットワークセキュリティなどの分野で、候補者の知識とスキルを検証します。
Huawei H12-891_V1.0-ENU：HCIE-Datacom V1.0試験は、データコミュニケーションのキャリアを追求したい個人にとって不可欠な認証です。この認定は、複雑なデータ通信ネットワークの設計、実装、および管理における専門家のスキルを検証します。この試験は挑戦的であり、データ通信の概念とテクノロジーを完全に理解する必要があります。試験に合格すると、データ通信の分野で専門家に新しい機会が開かれ、キャリアの見通しが向上します。
質問 # 300
The following link-LSA for OSPFv3 is correct?
- A. ?Link-LSA???Prefix?Prefixoptions???Ox00,?? Prefix????IPv6??????
- B. The Option field exists in the header of the LSA, not in the data area of the Link-LSA
- C. Contains both the link-local address of this interface and all IPV6 prefixes of the same area on this router.
- D. Contains both the link-local address of the interface and all IPv6 prefixes on the interface.
正解：D
質問 # 301
Is the following description of the differences between IGMP name versions correct?
- A. For members to leave, IGMPv2/v3 can actively leave, while IGMPvl cannot
- B. IGMPv1/2/v3 cannot support the SSM model
- C. IGMPv1/v2 cannot elect the queryer itself, while IGMPv3 can
- D. IGMPv1 does not support specific group queries, while IGMPv2 does
正解：A、D
質問 # 302
MSTP switches treat RSTP switches as MSTP domains, MSTP, which are formed by a single switch. The interchange resolves the RSTBPDU to MSTBPDU, where IRPC is 0
- A. False
- B. True
正解：B
質問 # 303
With an existing network running OSPF, what types of LSAs cause ISPF operations?
- A. 3?LSA
- B. 5?LSA
- C. 2?LSA
- D. 1?LSA
- E. 4?LSA
正解：C、D
質問 # 304
When DLDP detects the presence of a one-way link in the fiber, the default actions of Huawei equipment include: the DLDP state machine migrates to the Disable state, outputs Trap information, and automatically sets the interface to a blocked state.
- A. False
- B. True
正解：B
質問 # 305
By default, routers running IS-IS in broadcast networks have a period of seconds for DIS to send CSNP packets?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 306
As shown in the figure,
in the context of IPv4 and IPv6, the SEL field in the NET address of the ISIS is always valued as 00?
- A. False
- B. True
正解：B
質問 # 307
Router A has an IP route entry with a purposeful CIDR block of 10001/32 and an outgoing interface of GigabitEthernetO/0/1. Now add the following configuration: acd number 2000 rule 10 permit source1001.10#traffic classifier test if-match acl 2000 # traffic behavior test remarkdscp cs3#traffic policy test classifier test behavior test# interfaceGigabitftherneto/0/1 ip address 1001212552552550 traffic-policy test outbound#assuming router A received a destination IP of 10001 Of packets, the following statements are correct:
- A. If the packet source IP address is 1001.2, it can be forwarded while the DSCP field remains unchanged
- B. If the packet source IP address is 1001.2, it cannot be forwarded
- C. If the packet source IP address is 1001.1, it can be forwarded while the DSCP field is marked as CS3
- D. If the data packet source lIP address is 1001.2, it can be forwarded with the DSCP field marked CS3
正解：A、C
質問 # 308
Regarding the description of the BGP neighbor, the error is:
- A. BGP to establish a neighbor relationship needs to first interact with the link state information
- B. BGP establishing neighbors must be configured with MD5 authentication
- C. BGP routers that support auto discovery neighbors
- D. BGP needs to establish a UDP connection before establishing a neighbor
正解：A、B、C、D
質問 # 309
The Layer 3 logical interface on XLAN L3 Gateway that enables communication between different VXLAN virtual networks is?
- A. VBDIF interface
- B. VLANIF interface
- C. Layer 2 sub-interface
- D. NVE interface
正解：A
質問 # 310
When two devices with the same priority compete for the master role at the same time, the device on which the interface with the smaller IP address resides should be selected as the master device
- A. True
- B. False
正解：B
質問 # 311
Underneath, what doesn't belong to EVPN Type2 routing is? (Multiple choice question)
- A. Host MAC address advertisement
- B. BUM message forwarding
- C. Host IP Route Advertisement
- D. Host ARP advertisement
正解：B
質問 # 312
As shown in the figure, the PPP link between R1 and R2 is not in the same network segment, but the R1 and R2 direct connectors can communicate, and the Ethernet link cannot communicate under the same planning, why?
- A. The interconnect POS ports of R1 and R2 learn the 24-bit subnet route of each other's direct connection ports through IPCP
- B. The data packets of the interconnect POS ports of R1 and R2 do not need to encapsulate ethernet headers and do not need to use ARP to request MAC addresses
- C. The interconnect POS port of RI and R2, through LCP learns the MAC address of the opposite termination, does not need to use ARP to request the MAC address
- D. The interconnect POS ports of R1 and R2 learn the 32-bit host route for each other's direct connections through IPCP
正解：B、D
質問 # 313
Regarding MP-BGP, the following description is wrong?
- A. The message type and VPNv4 routing publishing policy for MP-BGP are the same as for BGP-4
- B. Radio AMP-BGP needs to assign a private label to the VPNv4 route
- C. MP-BGP advertises VPNv4 through two attributes, MP_REACH_NLRI and MP_UNREACH_NLRI Route
- D. PE and CE are routed through BGP interaction, you need to create a BGP process on ce for each VPN instance
正解：D
質問 # 314
An engineer used 2 routers to test IPv6 services and simulated the interconnection between headquarters and branches by running BGP4+. The network logic topology is shown in the figure, regarding the delivery of IPv6 routes between two devices, which of the following statements is wrong?
- A. If the Update message carries the MP_REACH_NLRI attribute, it means that the advertisement is reachable route
- B. When a route is passed, it carries a recognized mandatory attribute such as AS_Path
- C. When routing is passed, the Next_Hop attribute must be an IPv6 global unicast address
- D. BGP4+ passes routing information between peers via Update packet
正解：C
質問 # 315
ipv6 link-local addresses can be generated through stateless autoconfiguration
- A. TRUE
- B. FALSE
正解：B
質問 # 316
Which of the following scenarios send free ARP messages? (Multiple choice questions).
- A. After the VRRP protocol master and standby role election is completed
- B. When a host connected to the switch issues a Ping message.
- C. The DHCP client receives an acknowledgment message from the server after it sends it
- D. When a new host configured with an IP address is connected to the network
正解：A、C、D
質問 # 317
OSPF fast convergence is an extended feature to improve the convergence speed of routing, in which PRC works by speeding up routing computation by performing path calculations only on the affected nodes when the network topology changes.
- A. TRUE
- B. FALSE
正解：B
質問 # 318
When the ACL in the VRP has multiple matching rules (rules), the matching order is about Which of the following statements is true? (Confirmed).
- A. By default: Match in the order in which the perfect is matched first, then deny is matched.
- B. There is only one matching order and cannot be modified
- C. By default, matching is based on the principle of "depth first"
- D. By default, rule-ID is followed Match from small to large
正解：D
質問 # 319
What's wrong about vrrp timers is?
- A. By default, the VRRP preemption delay is I seconds
- B. By default, the time period for VRRP advertisement messages is 2 seconds
- C. Skew Time= (255-Priority)/255
- D. MASTER DOWN = (3*ADVER_ INTERVAL) + Skew_ time
正解：A、B、C
質問 # 320
Regarding the description of the permanent multicast address, the error is?
- A. All hosts and routers in the network segment listen on 224001
- B. All routers listen on 224002
- C. All routers running the PIM protocol listen on 22400100
- D. All routers running the OSPF protocol listen to 224005
正解：C
質問 # 321
The following description of ISIS's routed infiltration is correct? (Multi-select)
- A. Route infiltration of ISIS is used to prevent routing loops.
- B. Route penetration for ISIS can be deployed on Level-1 routers.
- C. ISIS routing penetrates | Can be used in Pv6 environments.
- D. Route penetration for ISIS does not include aggregated routes.
- E. Route penetration of ISIS does not cause neighbor concussions.
正解：C、E
質問 # 322
The following message about the Register in PIM-SM describes the correct? (Multiple choice questions).
- A. The Register message is sent by the receiver router
- B. The Register message is sent by the source DR
- C. Register messages are sent to RPv via unicast instead of multicast
- D. The Register message enables the RP to learn the multicast source information
正解：B、C、D
質問 # 323
Router R1 runs the OSPF protocol, use the "display ip routing-table" command to view the routing table of the router R1, the following about the OSPF in the routing table.
Is the information described correctly?
- A. In the routing table, the routing table entry identified with the "O_ASE" identifier can only be learned by routing introduction
- B. In the routing table, the routing table entries identified by the "OSPF" identifier can be learned through the 1/2/3/5 LSA
- C. In the routing table, the routing table entries identified by the "OSPF" identifier can only pass Class 1 LSA
- D. In the routing table, route table entries identified by the "OSPF" identifier can only be learned through LSAs of Type 3
正解：A
質問 # 324
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HCIE-Datacom V1.0認証サンプル問題と練習試験：https://www.passtest.jp/Huawei/H12-891_V1.0-ENU-shiken.html
リアルな試験問題と解答でHuawei H12-891_V1.0-ENU問題集が待ってます：https://drive.google.com/open?id=1Iv20jA1xFIRTV-G4xa_2ZIvTHro-kTPa