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Huawei H12-891_V1.0 certification exam covers a wide range of topics, including network architecture, network protocols, network security, network management, and network optimization. H12-891_V1.0 exam is designed to evaluate the candidate's ability to design and implement data communication networks that meet the requirements of different organizations. H12-891_V1.0 exam also tests the candidate's ability to troubleshoot complex network issues and provide effective solutions.
Huawei H12-891_V1.0 (HCIE-Datacom V1.0) exam is a certification program that is designed for network engineers and professionals who want to validate their knowledge and skills in the field of data communication. H12-891_V1.0 exam is offered by Huawei Technologies Co. Ltd, a leading global provider of information and communication technology solutions. HCIE-Datacom V1.0 certification program is intended to help candidates gain a better understanding of the latest technologies and trends in data communication, and to be able to apply this knowledge to their work.
NEW QUESTION # 314
The Option field in OSPEv3 appears in all LSAs
- A. True
- B. False
Answer: B
NEW QUESTION # 315
ICMPv6 has two types: Error Messages and Information Messages.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 316
The means of the LAND attack is that the attacker sends an SVN packet message with the same source and destination addresses to the target host, the source port and the destination port are the same, and the receiver waits for the final ACK packet to be sent , the connection is always in a semi-connected state, resulting in a full limited TCP reception Waste of resources
- A. False
- B. True
Answer: B
NEW QUESTION # 317
Four routers R1, R2, R3, and R4 run IS, and the I5S router type is noted in the diagram. All four routers have an area address of 49001, and looking at the routing table on R1l shows the following results, the reason why R did not reach the route of 1034344
- A. R and R4 Zone Planning Errors The System-ID of
- B. R2 conflicts with R1
- C. R2 from conflicting with R3
- D. The routing policy configured on the ARO filters the System-ID of the default route
Answer: A
NEW QUESTION # 318
BGP authentication can prevent illegal routers from establishing neighbors with BGP routers, BGP authentication can be divided into MD5 authentication and Keychain authentication, please ask which BGP messages will be carried below BGPKeychain authentication information?( Multiple select).
- A. Notification
- B. Keeplive
- C. Open
- D. Update
Answer: A,B,C,D
NEW QUESTION # 319
Both the CSNP packet of ISlS and the DD packet of OSPF have a role in the MA network, describing the role of the link state database summary, which is correct compared to the following statements of these two types of messages
- A. Both packets need to be confirmed to the terminal router after being sent, otherwise they need to be retransmitted
- B. The two packets do not need to be confirmed to the router after they are sent the master-slave relationship in the DD message interaction of
- C. OSPF is not identity bound to dr/BDR; the CSN message is generated only by DIS
- D. Once the adjacency relationship is established, the CSRP packet and the D message will stop sending
Answer: C
NEW QUESTION # 320
The correct description of the scene shown in the following figure is:
- A. R1, which exists in both Level-1 and Leve-2, can ping the interface address of R2 loopback0
- B. No neighbor relationship can be established between R1 and R2
- C. R there is a route to R2 loopback0 100
- D. LSDB
Answer: B,C,D
NEW QUESTION # 321
The basic header length of an IPv6 message is a fixed value.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 322
The following statement about IS-IS (IPv6) is correct?
- A. In order to support the processing and calculation of IPv6 routes, IS-IS has added NLPID to the 129 TLV
- B. IS-IS works at the data link layer and only needs to add a new TLV to support IPv6
- C. By default, IS-IS has the multi-topology feature turned on
- D. In order to support the processing and calculation of IPv6 routes, IS-IS has added TLV232 and 236
Answer: A,B,D
NEW QUESTION # 323
As shown in the figure, three switches SI, SN2, and SN3, where SN1 is the root bridge between S1 and SN2 Now that link support SN2 cannot receive the configuration BPDU sent by the root car, the administrator needs to configure which spanning tree protection mechanism to prevent the problem of link congestion?
- A. Anti-TC-BPDU attack
- B. Loop protection
- C. root protection
- D. BPD protection
Answer: B
NEW QUESTION # 324
View the IGMP configuration of the interface on the router RTA as follows, and the information about the operation of the RTA is incorrect
- A. The maximum response time for query messages is 10 seconds
- B. The packet interval for a particular group query is 60 seconds
- C. The interface IP address is 1921681.1
- D. The IGMP protocol version is 2
Answer: B
NEW QUESTION # 325
In route-policy, what are the BGP attributes that can be used for the apply clause?
- A. MED
- B. AS-Path
- C. Day
- D. Local-Preference
Answer: A,B,D
NEW QUESTION # 326
Regarding BGP route filtering, the following description is wrong?
- A. The filtering relationship between Route-Policy's noodes is "or." ", that is, as long as a node filter is passed, it can pass through the Route-policyo
- B. For routes published locally, configure a routing policy that takes effect before the route is added to the BGP route table.
- C. In the same node of Route-Policy, multiple if-match clauses for different attributes are "or" relationships.
- D. When a route to a BGP peer is received, a routing policy is enforced to filter unwanted BGP routes that are not added to the local BGP routing table.
Answer: C
NEW QUESTION # 327
The following description of VLANs in Ethernet is correct?
- A. The default reserved VLANs for Huawei devices are 4000~4010
- B. VLANs can be extended through QinQ technology.
- C. The range of VLANs is 0 to 4096
- D. VLANs do not support bulk creation on devices
Answer: B
NEW QUESTION # 328
Without dividing the zone, is the following description of the link state routing protocol correct?
- A. Each router establishes a topology for the entire floodplain
- B. Each router learns route entries directly from the route update and adds them to the routing table
- C. Routers in the flood domain may receive the same link state information repeatedly
- D. Routers throughout the flood domain have the same database of wrong-state states
- E. The router will send all the mis-routing status information from one neighbor to all other neighbors to ensure the synchronization of the database
Answer: A,C,D
NEW QUESTION # 329
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Candidates who pass the Huawei H12-891_V1.0: HCIE-Datacom V1.0 exam will be certified as HCIE-Datacom professionals. HCIE-Datacom V1.0 certification is globally recognized and is highly valued in the field of data communication. It is a testament to the skills and knowledge of candidates in designing, implementing, and managing complex data communication networks.
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