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The H12-821_V1.0 certification exam is an intermediate-level certification that validates the skills and knowledge required for professionals to design and deploy core network technologies, including routing, switching, and data center technologies. The exam covers a wide range of topics, including network architecture and design, network protocols and technologies, network security, and virtualization technologies.
The Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) certification exam is designed to test the knowledge and skills of IT professionals in the field of data communication. This certification is intended for individuals who have a solid understanding of data communication principles and technologies, and who want to further enhance their expertise in the field. The H12-821_V1.0 exam covers a wide range of topics, including network architecture, network protocols, network management, and network security. It is a comprehensive exam that requires a deep understanding of data communication technologies and their practical applications.
NEW QUESTION # 31
Which of the following statements is false?
- A. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.
- B. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
- C. A device with a higher router priority has a higher election priority.
- D. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
Answer: A
NEW QUESTION # 32
The Interface \P address and VRRP virtual IP address can be the same.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 33
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
- A. 802.11ac
- B. 802.11b
- C. 802.11n
- D. 802.11ax
Answer: A
NEW QUESTION # 34
Which of the following statements about WLAN roaming are true?
- A. APs for roaming must have overlapping signal coverage.
- B. APs for roaming must be in the same extended service set (ESS).
- C. APs for roaming must be in the same basic service set (BSS).
- D. APs for roaming do not need to have overlapping signal coverage.
Answer: D
NEW QUESTION # 35
Which of the following statements regarding different LSA types is false?
- A. LS Ack packets contain complete LSA information.
- B. LS Request packets contain only LS Type, LS ID, and Advertising Router.
- C. DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
- D. LS Update packets contain complete LSA information.
Answer: D
NEW QUESTION # 36
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 37
Which of the following statements regarding the firewall zone security level is false?
- A. Two zones cannot be configured with the same security level.
- B. Only the security level of the user-defined zone can be configured.
- C. The default security level of the new zone is 1.
- D. The configured security level cannot be changed.
Answer: D
NEW QUESTION # 38
Which of the following statements regarding the LSA age field are true?
- A. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
- B. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- C. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
- D. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
Answer: B
NEW QUESTION # 39
Drag the following VRRP states to the corresponding working mechanisms.
Answer:
Explanation:
Explanation
Master
Backup
Master
Backup
NEW QUESTION # 40
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
- A. TRUE
- B. FLASE
Answer: A
NEW QUESTION # 41
Which of the following attacks is not the network layer attack?
- A. Smurf attack
- B. IP spoofing attack
- C. ICMP attack
- D. ARP spoofing attack
Answer: D
NEW QUESTION # 42
A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?
- A. The cost of S4/0/0 is 20.
- B. S4/0/0 supports IPv6.
- C. S4/0/0 sends IIH packets at the interval of 30s.
- D. The circuit level of S4/0/0 is Level-1.
Answer: C
NEW QUESTION # 43
Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?
- A. The port In discarding or learning state does not forward data frames.
- B. The port in discarding or learning state does not learn MAC addresses
- C. The port In learning stole docs not learn MAC addresses table.
- D. The port in discarding state does not learn MAC addresses table.
Answer: B
NEW QUESTION # 44
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
- B. When the designated port enabled with root protection receives optimal RST BPDUs, the port enters the Discarding state and does not forward packets. If the port does not receive optimal RST BPDUs within a certain period of time, the port will automatically restore to the Forwarding state
- C. The role of the designated port that is enabled with root protection cannot be changed
- D. If the edge port on the switch enabled with BPDU protection receives RST BPDU, the switch sets the edge port as a non-edge-port and triggers STP calculation
Answer: D
NEW QUESTION # 45
What is the correct procedure for a VLAN pool to assign terminals to VLANs.
Answer:
Explanation:
NEW QUESTION # 46
Which of the following attribute must be carried in an Update message?
- A. MED
- B. Local-pref
- C. Prefval
- D. AS-Path
Answer: B
NEW QUESTION # 47
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 48
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 49
Which of the following statements regarding DR/BDR are false?
- A. DR others listen on the multicast address 224.0.0.5.
- B. All DR others establish neighbor relationships with DR and BDR only.
- C. DR others listen on the network address 224.0.0.6.
- D. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
Answer: B
NEW QUESTION # 50
Which of the following statements about the forwarding plane of a switch is false?
- A. Can collect packet statistics.
- B. Provides high-speed and non-blocking data channels.
- C. Consists of main control boards and interface boards.
- D. Can encapsulate and decapsulate packets.
Answer: A
NEW QUESTION # 51
Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.
- A. 0
- B. 1
- C. 2
- D. 3.3
Answer: B
NEW QUESTION # 52
Which of the following statements regarding the BGP error display of a router false?
- A. The neighbor address of this router is 10.1.1.5.
- B. Error Type indicates that the BGP error is caused by the neighbor relationship error.
- C. The error may be caused by the incorrect neighbor address.
- D. The error occurred at 12:40:39 on March 22, 2010.
Answer: B
NEW QUESTION # 53
Which of the following statements regarding the summary automatic command and BGP route summarization is false?
- A. After this command is configured, BGP sends only the summarized routes to peers
- B. After this command is configured, BGP summarizes routes based on natural network segments
- C. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization
- D. This command enables automatic summarization for the locally imported routes
Answer: B
NEW QUESTION # 54
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The Huawei H12-821_V1.0 exam is designed to test the knowledge and skills of candidates in the field of data communication. This certification exam is part of the Huawei Certified ICT Professional (HCIP) program and is aimed at professionals who want to enhance their knowledge and expertise in the area of data communication.
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