Ultimate Guide to Prepare H12-821_V1.0-ENU with Accurate PDF Questions [Aug 15, 2024]
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The HCIP-Datacom-Core Technology V1.0 exam covers various aspects of data communication technology, including network fundamentals, network protocols, and network security. H12-821_V1.0-ENU exam is designed to test the candidate's knowledge of these core technologies and their ability to apply them in real-world scenarios. H12-821_V1.0-ENU exam is also designed to test the candidate's understanding of the latest technologies and trends in data communication.
Huawei H12-821_V1.0-ENU certification exam is intended for IT professionals who have experience in designing, implementing, and troubleshooting Datacom Core networks using Huawei products and solutions. Candidates who pass the exam will be recognized as HCIP-Datacom-Core Technology certified professionals, which is a valuable asset in today's competitive job market.
NEW QUESTION # 338
Which of the following metric types does the IS-IS protocol support? (Multiple choice)
- A. WIDE
- B. Tos
- C. Default
- D. Narrow
Answer: A,D
NEW QUESTION # 339
As shown in the figure, SW1 is the general root in the MSTP network, please configure the following switches with the IST domain root and main bridge.
Answer:
Explanation:
NEW QUESTION # 340
The configuration command for VRRP and BFD linkage is:
- A. vrrp vrid 1 track bfd-session session-name 1 reduced 100
- B. bfd-session vrrp vrid 1 track session-name 1 reduced 100
- C. vrrp vrid 1 track bfd-session-name 1 reduced 100
- D. track vrrp vrid 1 bfd-session session-name 1 reduced 100
Answer: A
NEW QUESTION # 341
About the description of IGMP Snooping working mechanism, which of the following statement is true?
- A. When IGMP Snooping is not running, multicast messages will be broadcast on the layer 2. After IGMP Snooping is running, the messages will no longer be broadcast on the layer 2, but will be multicast on the layer 2.
- B. The Layer 2 switch establishes and maintains the PIM routing table at Layer 2 by continuously monitoring IGMP messages
- C. If the host sends an IGMP leave message, the switch will add the host to the corresponding multicast table
- D. If a host sends an IGMP host report message, the switch will delete the multicast entry corresponding to the host
Answer: A
NEW QUESTION # 342
Which of the following statements about roaming is correct? (Multiple choice)
- A. An AP that realizes wireless roaming does not need to have a signal covering the overlapping area
- B. The AP that realize wireless roaming must be in the same basic service set (BSS)
- C. AP that realizes wireless roaming must have signal coverage overlapping areas
- D. AP that realizes wireless roaming must be in the same Extended Service Set (ESS)
Answer: C,D
NEW QUESTION # 343
Which of the following technologies can be configured in a network that uses static routing to achieve Layer 3 intercommunication, so that the local device can communicate with the peer device and realize the function of BFD to detect static routes.
- A. BFD single-hop detection
- B. Adjust BFD parameters
- C. Static identifier self-negotiation BFD
- D. BFD multi-hop detection
Answer: C
NEW QUESTION # 344
A company purchased a new network device. As a network administrator, what method is usually used to configure the device for the first time?
- A. Console port login
- B. SNMP
- C. FTP
- D. Telnet
Answer: A
NEW QUESTION # 345
Which of the following characteristics meet the following conditions. A BCP router may not support these attributes, but it will still receive such attributes and pass them on to other peers. (Multiple choice)
- A. Local_Pref
- B. Ageregator
- C. Commmnity
- D. Multi_Exit_Disc
Answer: B,C
NEW QUESTION # 346
Which of the following descriptions about IGMP Proxy is wrong?
- A. You can enable the IGMP proxy function through the igmp-snooping proxy command
- B. In order to alleviate the pressure on the IGMP querier, the IGMP Proxy device aggregates the membership report / leave messages and sends them to the IGMP querier
- C. The host interface refers to the interface configured with the IGMP function on the IGMP Proxy device, which is generally for group members
- D. The IGMP Proxy device can proxy the IGMP querier to send query messages to member hosts
Answer: C
NEW QUESTION # 347
The command format of the prefix list is ip ip-prefix ip-prefix-name [index index-number] {permit | deny} ipv4-address mask -length [greater-equal greater-equal-value] [ less-equal less equal -value], if only greater-equal is specified but less-equal is specified, which of the following does the prefix range belong to?
- A. [0, greater-equal -value]
- B. Unlimited
- C. [mask-length,greater -equal -value]
- D. [greater-equal -value, 32]
Answer: D
NEW QUESTION # 348
BGP selects the route with the best value of the Origin attribute, and the value of the Origin attribute is: EGP, ( ), Incomplete.
Answer:
Explanation:
IGP
NEW QUESTION # 349
Which is not included in the three elements of the server map table of the USG series firewalls?
- A. Destination port number
- B. Destination IP
- C. Agreement number
- D. Source IP
Answer: D
NEW QUESTION # 350
In the process of BGP establishing a neighbor, if the TCP connection fails in the Active state, BGP will return to the Idle state and try the TCP connection again
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 351
When the BFD detection interval at both ends is 30ms and 40ms respectively, which of the following descriptions is correct?
- A. The bfd session cannot be established
- B. bfd session can be established, 40ms after negotiation
- C. bfd session can be established, 30ms after negotiation
- D. The bfd session can be established, and they can be sent at intervals according to their own time
Answer: B
NEW QUESTION # 352
After the modular switch receives the business message, it is processed by the upstream interface board, then processed by the downstream interface board, and finally sent from the interface.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 353
Which of the following descriptions about DIS in IS-IS is wrong?
- A. In the IS-IS broadcast network, routers with a priority of 0 also participate in the election of DIS
- B. The DIS with the highest priority value is selected as the DIS
- C. The time interval for DIS to send Hello PDU is 10 seconds
- D. In the IS-IS broadcast network, the election of DIS is preemptive mode
Answer: C
NEW QUESTION # 354
Regarding the OSPF protocol packets, which of the following statement is false?
- A. The OSPF protocol uses five types of messages to complete the transmission of routing information
- B. All OSPF packet headers carry the Router-ID field
- C. The header format of all OSPF packets is the same
- D. OSPF packets are encapsulated in UDP packets, and the port number is 89
Answer: D
NEW QUESTION # 355
What types of metrics does the IS-IS protocol support? (Multiple choice)
- A. default
- B. Tos
- C. wide
- D. Narrow
Answer: C,D
NEW QUESTION # 356
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Huawei H12-821_V1.0-ENU (HCIP-Datacom-Core Technology V1.0) Certification Exam is an advanced-level certification that is designed to test the skills and knowledge of IT professionals in the field of datacom-core technology. H12-821_V1.0-ENU exam is part of Huawei's certification program, which is recognized internationally and is highly respected in the IT industry. H12-821_V1.0-ENU exam is designed to validate the skills of IT professionals who are responsible for designing, deploying, and managing networks in complex datacom-core technology environments.
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