DumpsQuestion H12-821_V1.0-ENU Dumps Real Exam Questions Test Engine Dumps Training
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The HCIP-Datacom-Core Technology V1.0 certification is particularly relevant for IT professionals who work in the telecommunications, Internet, and network industries. HCIP-Datacom-Core Technology V1.0 certification demonstrates a deep understanding of the latest data communication technologies and best practices, as well as the ability to design, deploy, and manage complex data communication networks. The HCIP-Datacom-Core Technology V1.0 certification is also a stepping stone to higher-level certifications offered by Huawei, such as the HCIE-Datacom certification.
The HCIP-Datacom-Core Technology V1.0 certification exam covers a wide range of topics, including network architecture, network protocols, network security, and network management. H12-821_V1.0-ENU exam also assesses the candidate's ability to design and implement complex network solutions, as well as their proficiency in troubleshooting network issues.
NEW QUESTION # 84
Which of the following does not belong to the IGP?
- A. IS-IS
- B. RIP
- C. BGP
- D. OSPF
Answer: C
NEW QUESTION # 85
Which of the following does not belong to the OSI network management model?
- A. Communication Model
- B. Organizational Structure Model
- C. Functional Model
- D. Management Model
Answer: B
NEW QUESTION # 86
The following is part of the output information of the router RTB. Which of the following regarding the description of the output information is false?
- A. The number of dynamically joined multicast groups on the interface is 1
- B. The display igmp group command is used to view the IGMP multicast information, including the multicast group information dynamically joined through the member report and the multicast group information statically joined through the command line
- C. The multicast address to join is 255.1.1.2
- D. The last host sending the Report message is 225.1.1.2
Answer: D
NEW QUESTION # 87
Route introduction refers to the operation of publishing routing information from one routing protocol to another routing protocol.
Which of the following statements about routing imports is correct? (Multiple choice)
- A. When implementing route import, you can also deploy route air control, so as to realize the flexible control of correct business traffic
- B. By importing routes, routing information can be transferred between different routing protocols
- C. When importing routes, it is necessary to pay attention to the fact that different vendors may have different routing priority agreements
- D. The routing protocol itself has the anti-loop feature, so there is no need to consider the loop problem when the routes enter each other.
Answer: A,B,C
NEW QUESTION # 88
In a large-scale WLAN three-layer network, which of the following statements about the description of the DHCP server is wrong? (Multiple choice)
- A. In a large-scale WLAN network, the AP can obtain the AC's IP address from the DHCP server through the option43 parameter
- B. In a large-scale WLAN network, it is recommended to deploy an independent DHCP server
- C. In a large VLAN network, the AP can obtain the AC's IP address from the DHCP server through the option60 parameter
- D. In a large-scale WLAN network, it is generally recommended to use AC as a DHCP server
Answer: C,D
NEW QUESTION # 89
OSPF supports multiple processes. Multiple different OSPF processes can run on the same router, and they do not affect each other and are independent of each other. The routing interaction between different OSPF processes is equivalent to the routing interaction between different routing protocols.
- A. True
- B. False
Answer: A
NEW QUESTION # 90
Which of the following descriptions about SPT switching in PIM-SM is wrong?
- A. The RPT tree may not be the optimal path for multicast traffic forwarding
- B. The SPT path is the shortest and the forwarding performance is better
- C. After the SPT switching is completed, the multicast traffic still passes through the RPT tree
- D. If all multicast traffic passes through the RP router, the RP router may become the bottleneck of data forwarding
Answer: C
NEW QUESTION # 91
When the payload is an ICMPv6 packet, if the extended header is not considered, what is the value of the Next Header field in the IPv6 header?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 92
Which TLV does IS-IS use to describe the IP Interface Address?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 93
As shown in the figure, a return summary route 10.0.0.0/24 is configured on the border route RT1, the next hop points to RT2, and a default route to the external network is configured at the same time. At this time, a routing black hole will appear. Which of the following statements are correct about the routing black hole? (Multiple choice)
[Extranet]--AR1--AR2----SW1-PC1/PC2 (10.1.1.1-2/24)
- A. Configuring black hole routing can solve the routing black hole problem
- B. Precise routing summary can avoid routing black holes
- C. Routing black holes have no impact on the network and can not be dealt with
- D. If a terminal in the network sends a data packet to a network segment that does not appear on the internal network, a loop will occur
Answer: A,B,D
NEW QUESTION # 94
Which of the following are the advantages of building a campus network using stacking and clustering technologies? (Multiple choice)
- A. Can effectively reduce network power consumption
- B. Simplify network management and reduce the complexity of network deployment planning
- C. Prompt utilization of network devices and links
- D. Business interruption time is greatly reduced
Answer: B,C,D
NEW QUESTION # 95
Which statement about IGMP Proxy is correct? (Multiple choice)
- A. IGMP Proxy is usually deployed on the device between the member hosts that access the device
- B. The downstream connection of the IGMP Proxy device generates multicast forwarding entries based on the information of member hosts joining/leaving the multicast group
- C. IGMP Proxy can detect link status in conjunction with NOA to achieve rapid switching between active and standby links
- D. The IGMP Proxy device cannot replace the IGMP querier to send query messages to downstream member hosts to maintain group membership
Answer: A,B,C
NEW QUESTION # 96
OSPF supports area authentication and interface authentication. If both authentication methods are configured at the same time, interface authentication is better than area authentication.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 97
Which of the following scenarios is not suitable for deploying interface policy routing?
- A. On the core switch, the mutual access traffic between the internal network and the external network is drawn to the bypass AC device
- B. In the scenario where the enterprise network has multiple ISP egresses, different network segments of the intranet access the Internet through different ISP egresses
- C. Modify the next-hop of traffic originating locally
- D. On the core switch, the mutual access traffic between the internal network and the external network is drawn to the side-mounted security detection device
Answer: C
NEW QUESTION # 98
In the OSPF routing protocol, the asbr-summary command can be followed by the not-advertise parameter, which means not to advertise the aggregated route.
- A. True
- B. False
Answer: A
NEW QUESTION # 99
In the network shown in the figure, R1 and R2 run IS-IS and establish an adjacency relationship. The Loopback0 interface of R2 enables IS-IS, and the Loopback3 interface of R2 does not enable IS-IS. Do as follows in the IS-IS process of R2 the configuration shown in figure, which of the following statement is correct? (Multiple choice)
- A. There is a 10.0.2.3/32 route in the routing table of R1
- B. There is a 10.0.2.2/32 route in the routing table of R1
- C. There is no route 10.0.2.3/32 in the R1 routing table
- D. The 10.0.2.2/32 and 10.0.2.3/32 routes do not exist in the routing table of R1
Answer: B,C
NEW QUESTION # 100
On the eSight NMS side, the parameters that need to be configured include template name, SNMP version, read/write community, NE port, timeout time, and retransmission times. Which of the following parameters must match the configuration information on the device? (Multiple choice)
- A. NE port
- B. Template name
- C. Read and write community words
- D. SNMP version
Answer: A,C,D
NEW QUESTION # 101
When two routers establish a pair of logical BGP peers through a multi-hop physical link, the peer connect-interface command must be used.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 102
RSTP has been improved on the basis of STP to achieve rapid convergence of the network topology. But RSTP and STP are both based on a single spanning tree, and there are some shortcomings, such as? (Multiple choice)
- A. Problems with sub-optimal paths
- B. Unable to achieve load balancing of data traffic in VLAN
- C. After the link is blocked, it will carry part of the traffic without causing waste of bandwidth
- D. Will cause some VLAN path problems
Answer: A,B,D
NEW QUESTION # 103
Regarding the OSP command description, which is incorrect? (Multiple choice)
- A. The no-summary parameter is configured for the stub area and the totally stub area
- B. There is no need to use router-id in OSPF v3 configuration, the configuration method is the same as OSPF v2
- C. The stub router command is used to configure the secondary router as a stub router. The stub router can form a neighbor relationship with non-stub routers.
- D. The difference between OSPF v2 and OSPF V3 configuration interface commands is that OSPF v2 can use the network command, while OSPF v3 is directly enabled on the interface
Answer: A,B,C
NEW QUESTION # 104
Which of the following descriptions about the difference between DIS in IS-IS and DR in OSPF are correct? (Multiple choice)
- A. The election of DIS and DR follow the principle of preemption
- B. In the IS-IS broadcast network, routers with a priority of 0 also participate in the election of the DIS, while routers with a priority of 0 in OSPF do not participate in the election of the DR
- C. The election of DIS and DR is to compare the priority first, and then compare the MAC address
- D. In the IS-S broadcast network, routers of the same level on the same network segment will form adjacency relationships, including all non-DIS routers will also form adjacency relationships. In OSPF, the router only establishes an adjacency relationship with the DR port BDR
Answer: B,D
NEW QUESTION # 105
What are the main contents of the cutover project plan? (Multiple choice)
- A. Contingency plans
- B. Cutover implementation
- C. Roll back party
- D. Preparation for cutover
Answer: A,B,C,D
NEW QUESTION # 106
Which of the following descriptions of the OSPF protocol are correct? (Multiple choice)
- A. The cost value of the second type of external route is only the AS external cost value, and the AS internal cost value is ignored
- B. AS-External-LSA describes the path from the router to the ASBR
- C. AS-External-LSA does not belong to any area
- D. AS-External-LSA describes the flooding scope of the route to the AS external route is outside the AS
Answer: A,C
NEW QUESTION # 107
The four routers run IS-IS and have established adjacency. The area numbers and router levels are marked in the figure. The link between R1 and R2 is a PPP link, and R2 is DIS. Which of the following statements is correct? (Multiple choice)
- A. If R1 sends an LSP message, R2 needs to send PSNP for confirmation
- B. R3 periodically sends CSNP to help achieve Level-2 LSDB synchronization
- C. R2 sends the LSP to R3 and R4 in unicast mode
Answer: A,B
NEW QUESTION # 108
Which of the following executable actions are supported by flow behavior in MQC? (Multiple choice)
- A. Implement policy routing for packets
- B. Add VLAN Tag to the message
- C. Remark message priority
- D. Filter messages
- E. Traffic statistics
Answer: B,C,D,E
NEW QUESTION # 109
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To prepare for the Huawei H12-821_V1.0-ENU exam, IT professionals are advised to have several years of experience working in datacom-core technology environments. They should also have a strong understanding of network architecture, protocols, and technologies, as well as network design, deployment, and management. Additionally, IT professionals should be familiar with Huawei's products and solutions, as well as industry best practices and standards. By passing the Huawei H12-821_V1.0-ENU exam, IT professionals can demonstrate their expertise in datacom-core technology and enhance their career opportunities in the IT industry.
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