[Mar 10, 2024] Latest Questions H12-821_V1.0 Guide to Prepare Free Practice Tests
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Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Certification Exam is a challenging certification exam designed to test the skills and knowledge of IT professionals in the field of data communication. HCIP-Datacom-Core Technology V1.0 certification exam is designed to assess a candidate’s ability to design, deploy, and maintain advanced data communication networks using Huawei technologies. Candidates who successfully pass H12-821_V1.0 exam will demonstrate their expertise in the latest technologies and techniques used in data communication.
Huawei H12-821_V1.0: HCIP-Datacom-Core Technology V1.0 exam is an excellent certification for IT professionals who want to enhance their expertise in data communication and core network technologies. H12-821_V1.0 exam is comprehensive and rigorous, covering a wide range of topics related to network architecture, protocols, security, troubleshooting, and management. Candidates who pass the exam can enjoy numerous career benefits, making it a highly valued certification in the IT industry.
NEW QUESTION # 12
Which of the following statements regarding DR/BDR are false?
- A. DR others listen on the network address 224.0.0.6.
- B. All DR others establish neighbor relationships with DR and BDR only.
- C. DR others listen on the multicast address 224.0.0.5.
- 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 # 13
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
- A. 802.11ax
- B. 802.11b
- C. 802.11n
- D. 802.11ac
Answer: D
NEW QUESTION # 14
The Interface \P address and VRRP virtual IP address can be the same.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 15
The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?
- A. Is used together with the route import function to advertise some imported external routes to neighbors.
- B. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
- C. Filters LSPs to be advertised.
- D. Controls the advertisement of routes generated by the device.
Answer: B
NEW QUESTION # 16
When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 17
Which of the following attacks is not the network layer attack?
- A. IP spoofing attack
- B. ICMP attack
- C. Smurf attack
- D. ARP spoofing attack
Answer: D
NEW QUESTION # 18
What parameters can a DHCP6 server assign to a DHCPv6 client?
- A. IPV6 address/prefix
- B. Gateway address
- C. SNTP server address
- D. DNS server address
Answer: C
NEW QUESTION # 19
Which of the following statements about WLAN roaming are true?
- A. APs for roaming must have overlapping signal coverage.
- B. APs for roaming do not need to have overlapping signal coverage.
- C. APs for roaming must be in the same basic service set (BSS).
- D. APs for roaming must be in the same extended service set (ESS).
Answer: B
NEW QUESTION # 20
As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?
- A. After a port is Configured as an edge port, the port can quickly enter the Forwarding state.
- B. You can enable the edge port on SWD's GEO/0/2 connected to the terminal so that this port can quickly enter the Forwarding state.
- C. Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.
- D. You can enable the edge port on SWC's GE0/0/2 connected to the terminal so that this port can quickly enter the forwarding state.
Answer: A
NEW QUESTION # 21
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 sends IIH packets at the interval of 30s.
- C. S4/0/0 supports IPv6.
- D. The circuit level of S4/0/0 is Level-1.
Answer: B
NEW QUESTION # 22
To inject IGP routes into BGP routes, you can only use the network command.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 23
Which of the following statements regarding an IP prefix are true?
- A. An IP prefix filter is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time.
- B. An IP prefix filter cannot be used to filter data packets.
- C. An IP prefix filter is used to filter IP address prefixes and cannot match an IP prefix number and a prefix length at the same time.
- D. An IP prefix filter can be used to filter data packets.
Answer: D
NEW QUESTION # 24
BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 25
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. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization
- C. After this command is configured, BGP summarizes routes based on natural network segments
- D. This command enables automatic summarization for the locally imported routes
Answer: C
NEW QUESTION # 26
A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?
- A. Temperature monitoring
- B. Fan control
- C. Voltage monitoring
- D. System power-on and power-off control
Answer: A
NEW QUESTION # 27
There are two BFD operating modes. In_______mode, the local end sends BFD Control packets at specified intervals, and the remote end checks whether the local end periodically sends BFD Control packets. (Use lowercase letters.)
Answer:
Explanation:
primary
NEW QUESTION # 28
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
- 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
NEW QUESTION # 29
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. 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
- B. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
- C. 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
- D. The role of the designated port that is enabled with root protection cannot be changed
Answer: A
NEW QUESTION # 30
Which of the following configurations are not mandatory when an administrator configures VRRP?
- A. Preemption delay
- B. Virtual router priority
- C. Virtual IP address
- D. Preemption mode
Answer: C
NEW QUESTION # 31
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