[Nov-2023] Latest Huawei H12-821_V1.0-ENU Certification Practice Test Questions
Verified H12-821_V1.0-ENU Dumps Q&As - 1 Year Free & Quickly Updates
NEW QUESTION # 233
Regarding the multicast ASM model and the SSM model, which of the following statements are correct? (Multiple choice)
- A. In the SSM model, the receiver already knows the specific location of the multicast source in advance through other means
- B. In the ASM model, the receiver cannot instruct the location of the multicast source in advance
- C. SSM and ASM use the same multicast address range
- D. SSM directly establishes a multicast forwarding tree between the receiver and the multicast source
Answer: B,D
NEW QUESTION # 234
Which of the following description about verifying whether a received Hello message is legal is wrong?
- A. If the network type of the receiving port is a point-to-point type or a virtual link, the Network Mask field is not checked
- B. If the network type of the receiving port is broadcast, point-to-multipoint or NBMA, the Network Mask field in the received Hello message may be inconsistent with that of the interface.
- C. The RouterDeadIntera1 field in the received Hello message must be consistent with the configuration of the receiving port
- D. The E-bit in the Options field of the received Hello message must be consistent with the configuration of the relevant area
Answer: B
NEW QUESTION # 235
If the router-id is configured in both the system view and the BGP view, BGP uses the router-id in the BGP view because the BGP view has a higher priority.
- A. True
- B. False
Answer: A
NEW QUESTION # 236
When two devices with the same priority compete for the role of Master at the same time, the device with the interface with the smaller IP address should be selected as the Master device
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 237
Which of the following about the description of the information contained in the OPEN message in the EGP is incorrect?
- A. OPEN message contains Hold time message
- B. OPEN message contains only BGP message header
- C. OPEN message contains VERSION information
- D. OPEN message contains local AS number information
Answer: B
NEW QUESTION # 238
Regarding the BGP route announcement, which of the following descriptions is wrong? (Multiple choice)
- A. Only routes learned from IGP can be advertised to other BGP neighbors
- B. By default, routes learned from IBGP are not forwarded to other IBGP neighbors
- C. All BGP routes learned from all BGP neighbors are advertised to other BGP neighbors
- D. Only the best route preferred by BGP can be announced to other BGP neighbors
Answer: A,C
NEW QUESTION # 239
When using a routing policy for route filtering, which routes the prefix of the following options in matching the following IP-Prefix will be denied out? (Multiple choice)
[HUAWEI] ip ip-prefix aa index 10 deny 0.0.0.0 24 less-equal 32
[HUAWEI] ip ip-prefix aa index 20 permit 0.0.0.0 0 less-equal 32
- A. 1.1.1.1/24
- B. 1.1.1.2/16
- C. 1.1.1.1/32
- D. 1.1.1.1/26
Answer: A,C,D
NEW QUESTION # 240
When routers running OSPF protocol exchange DD packets, which of the following parameters will be used to elect the master-slave relationship?
- A. DR priority of the interface
- B. Area ID
- C. The IP address of the interface
- D. Router ID
Answer: D
NEW QUESTION # 241
The router directs the forwarding of data according to the forwarding table.
- A. True
- B. False
Answer: B
NEW QUESTION # 242
OSPF can support multiple network types. Which of the following network types need to elect DR and BDR? (Multiple choice)
- A. ROADCAST
- B. P2P
- C. P2MP
- D. NBMA
Answer: A,D
NEW QUESTION # 243
Regarding the accompanying business, which of the following statements is correct? (Multiple choice)
- A. The controller is not only the certification center in the campus network, but also the management center of business strategies
- B. In the free mobility solution, the administrator does not need to repeat the configuration for each device
- C. The administrator does not need to care about the user's IP address when configuring the policy
- D. The administrator can execute the business strategy on the device in the controller system-manage the entire network strategy
Answer: A,B,C,D
NEW QUESTION # 244
In order to ensure the reliability of WLAN networking, there are two ACs of the same model in the same computer room, and it is required that the master and backup can be switched as quickly as possible if a failure occurs between the master and backup. Which of the following backup technologies is recommended to be deployed?
- A. VRRP dual-machine hot standby
- B. Dual link hot standby
- C. N+1 backup
- D. Dual link cold backup
Answer: A
NEW QUESTION # 245
The interface using Silent-Interface will not receive and send OSPF packets, but the direct route can be advertised to OSPF.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 246
Using the IP prerequisite list shown in the figure for route matching, which of the following routes can be matched?
ip ip-prefix List1 index 10 permit 192.168.1.0 24 greater-equal 24 less-equal 27
- A. 192.168.3.0/25
- B. 192.168.1.0/23
- C. 192.168.2.0/24
- D. 192.168.1.0/27
Answer: D
NEW QUESTION # 247
When configuring the multicast routing protocol, you first need to execute the () routing-enable command, and then configure the PFIM protocol. (Please fill in the complete command without abbreviation, and use all lowercase English letters).
Answer:
Explanation:
multicast
NEW QUESTION # 248
When there are two ACs and multiple APs in the WLAN network, the network configuration of active and standby mode is to plan half of the APs to be AC1 as the main AC and AC2 as the backup AC, and the other half of the APs to plan AC2 as the main AC and AC1 as the backup AC, thereby improving the utilization of AC resources.
- A. TURE
- B. FLASE
Answer: A
NEW QUESTION # 249
The three routers are running IS-IS and have established adjacency relationships. The area numbers and router levels are marked as shown in the figure. If the road between R1 and R2 is interrupted, which of the following statements is correct? (Multiple choice)
- A. R1 runs the SPF algorithm to delete R2 from the SPF trunk
- B. The default route in the R2 routing table will disappear
- C. R1 sets the Age of the L SP generated by R2 to 0
- D. The default route in the R2 routing table still exists
Answer: A,B
NEW QUESTION # 250
Which of the following messages does BGP use to report error messages and terminate peer relationships?
- A. Keepalive
- B. Open
- C. Notification
- D. Update
Answer: C
NEW QUESTION # 251
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Huawei H12-821_V1.0-ENU (HCIP-Datacom-Core Technology V1.0) Certification Exam is a comprehensive exam that consists of multiple-choice questions, scenario-based questions, and simulation questions. H12-821_V1.0-ENU exam is designed to test the candidate's understanding of the concepts covered in the course, as well as their ability to apply these concepts in real-world scenarios.
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