Full H12-821_V1.0-ENU Practice Test and 966 unique questions with explanations waiting just for you!
HCIP-Datacom Dumps H12-821_V1.0-ENU Exam for Full Questions - Exam Study Guide
NEW QUESTION # 553
The information collected before the cutover can be used to judge whether the service is normal before and after the cutover.
- A. False
- B. True
Answer: B
NEW QUESTION # 554
In the live network, the stack upgrade can be performed by specifying the version or actively synchronizing the version with the main switch when the new switch joins. Which of the following methods is used to upgrade by sub-area?
- A. Intelligent upgrade
- B. Transition upgrade
- C. Smooth upgrade
- D. Traditional upgrade
Answer: C
NEW QUESTION # 555
The PIM protocol message is directly encapsulated by IP, the destination address is 224.0.0.13, and the IP protocol number is 103.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 556
Which of the following command is to configure VRRP to track the state of the physical interface?
- A. track vrrp vrid 1 interface Gigabitethernet0/0/0
- B. vrrp vrid 1 interface Gigabitethernet0/0/0 track
- C. vrrp vrid 1 interface Gigabitethernet0/0/0
- D. vrrp vrid 1 track interface Gigabitethernet0/0/0
Answer: D
NEW QUESTION # 557
Please match the following mechanisms in PIM-DM with their corresponding concepts.
Answer:
Explanation:
NEW QUESTION # 558
Which of the following statements about MSTP is correct? (Multiple choice)
- A. MSTP supports compatible operation with RSTP
- B. Compared with RSTP.MSTP has more port roles
- C. MSTP can achieve load sharing of traffic between different LANs
- D. The BPDU format of MSTP is the same as RSTP
Answer: A,B,C
NEW QUESTION # 559
Which of the following descriptions about the default sending time interval of BFD detection packets is correct?
- A. The default sending interval is 1000 milliseconds
- B. The default sending interval is 10 milliseconds
- C. The default sending interval is 5 milliseconds
- D. The default sending interval is 100 milliseconds
Answer: A
NEW QUESTION # 560
What are the conditions for matching firewall security policies? (Multiple choice)
- A. Source and destination IP address
- B. Source and destination security zone
- C. Application
- D. Packet length
Answer: A,B,C
NEW QUESTION # 561
The BGPAS_PATH attribute is an optional transition attribute.
- A. True
- B. False
Answer: B
NEW QUESTION # 562
Which of the following scenarios is not suitable for deploying interface policy routing?
- A. Modify the traffic originated locally-hop
- B. In the scenario of multiple ISP outlets in the corporate network, different network segments of the intranet access the Internet through different ISP outlets
- C. On the core switch, draw the traffic from the internal network and external network to the AC device that is connected to the bypass
- D. On the core switch, the traffic of mutual access between the internal network and the external network is dragged to the side-mounted security detection device
Answer: A
NEW QUESTION # 563
Please match the name of the BGP recognized community attribute with its function.
Answer:
Explanation:
NEW QUESTION # 564
Which of the following descriptions about the application of RPF in multicast data forwarding is wrong?
- A. The router compares the incoming interface of the packet with the RPF interface of the RPF route. If it is consistent, the RPF check passes, indicating that the source path of the message is correct, and it will be forwarded downstream
- B. In the process of multicast data forwarding, the multicast router will perform RPF check on each received multicast data message through the unicast routing table
- C. When the router receives a multicast message, it first checks the source address of the message, and then selects an optimal route according to the priority of the route source, then the outgoing interface of the route is the RPF interface
- D. If the RPF check fails, it indicates that the source path of the message is wrong, and the message will be discarded in the cloud
Answer: C
NEW QUESTION # 565
The differences between IGMP versions are: (Multiple choice)
- A. IGMPv1/v2 cannot elect a querier by itself, but IGMPv3 can
- B. For members to leave, IGMPv2/Nv3 can voluntarily leave, but IGMPv1 cannot
- C. IGMPv1/v2/v3 cannot support the SSM model
- D. IGMPv1 does not support group-specific queries, but IGMPv2 supports
Answer: B,D
NEW QUESTION # 566
In the N+1 backup network of WLAN, which of the following statements about the application of option43 is correct? (Multiple choice)
- A. The command to configure the IP addresses of the active AC and the standby AC in the option43 parameter field of the DHCP server is option43 sub-0ption 2 ip-address ip-address &<1-8>
- B. If the AC with the IP address advertised by option 43 does not respond to the AP, the AP will immediately fail to discover the AC
- C. After configuring the option 43 field, the AP will only send unicast Discovery Request messages to the AC IP address advertised by option 43
- D. To configure the option 43 field, you need to notify the AP of the IP addresses of its active AC and standby AC, and also need to notify the IP addresses of other active AC.
Answer: A,C
NEW QUESTION # 567
Which of the following routing protocols support the release of default routes through command configuration? (Multiple choice)
- A. IGMP
- B. BGP
- C. ISIS
- D. OSPF
Answer: B,C,D
NEW QUESTION # 568
When a router running BGP receives a route with an unreachable next hop, how to deal with it?
- A. Send an error message to the router that issued the Update
- B. Receive the route and add it to the BCP routing table. But this route will not be selected by BCP and will not be added to the IP routing table
- C. Receive the route, add it to the BGP routing table, participate in the BGP routing rules, it may be selected as the best route, and add it to the IP routing table
- D. Refuse to join the BGP routing table, and silently discard
Answer: B
NEW QUESTION # 569
In the OSPF routing domain, in broadcast networks and NBMA networks containing at least two routers, one router must be designated as DR and the other as BDR.
- A. True
- B. False
Answer: B
NEW QUESTION # 570
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Huawei H12-821_V1.0-ENU (HCIP-Datacom-Core Technology V1.0) Certification Exam is a professional-level certification exam offered by Huawei Technologies Co. Ltd. HCIP-Datacom-Core Technology V1.0 certification is intended for professionals who are interested in demonstrating their expertise in core data communication technologies, including network architecture, routing protocols, and network security. HCIP-Datacom-Core Technology V1.0 certification exam is designed to validate the candidate's knowledge and skills in the field of data communication and networking.
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