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The Huawei H12-821_V1.0: HCIP-Datacom-Core Technology V1.0 exam is an intermediate-level certification designed to test the knowledge and skills of IT professionals in data communication and core network technologies. This certification is ideal for network engineers, network administrators, and IT professionals who want to enhance their expertise in data communication and core network technologies.
NEW QUESTION # 17
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. Voltage monitoring
- B. Fan control
- C. Temperature monitoring
- D. System power-on and power-off control
Answer: C
NEW QUESTION # 18
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 learn MAC addresses
- B. The port In discarding or learning state does not forward data frames.
- C. The port in discarding state does not learn MAC addresses table.
- D. The port In learning stole docs not learn MAC addresses table.
Answer: A
NEW QUESTION # 19
Which of the following statements regarding an IP prefix are true?
- A. 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.
- B. An IP prefix filter can be used to filter data packets.
- C. 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.
- D. An IP prefix filter cannot be used to filter data packets.
Answer: B
NEW QUESTION # 20
Which of the following statement regarding the display ospf peer command output is true?
- A. Router ID indicates that the local router ID Is 10.1.1.1.
- B. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
- C. The DR address is 10.1.1.1
- D. Through negotiation during DD packet exchange, the local end becomes the slave.
Answer: B
NEW QUESTION # 21
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 # 22
Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination /earned through different routing protocols.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 23
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: C
NEW QUESTION # 24
Which of the following TLVs is used by ISIS to describe the IP address of an interface?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 25
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. Controls the advertisement of routes generated by the device.
- B. Filters LSPs to be advertised.
- C. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
- D. Is used together with the route import function to advertise some imported external routes to neighbors.
Answer: C
NEW QUESTION # 26
Which of the following configurations are not mandatory when an administrator configures VRRP?
- A. Preemption delay
- B. Virtual IP address
- C. Preemption mode
- D. Virtual router priority
Answer: B
NEW QUESTION # 27
Which of the following statements regarding the LSA age field are true?
- A. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
- B. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- C. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
- D. 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.
Answer: B
NEW QUESTION # 28
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.
Answer:
Explanation:
IN ORDER
NEW QUESTION # 29
Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.
- A. 3.3
- B. 0
- C. 1
- D. 2
Answer: D
NEW QUESTION # 30
Which of the following routing protocols support the default route through command configuration?
- A. IS-IS
- B. BGP
- C. OSPF
- D. ICMP
Answer: B
NEW QUESTION # 31
Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?
- A. 802.11b
- B. 802.11ac
- C. 802.11ax
- D. 802.11n
Answer: B
NEW QUESTION # 32
Which of the following attacks is not the network layer attack?
- A. ARP spoofing attack
- B. ICMP attack
- C. IP spoofing attack
- D. Smurf attack
Answer: A
NEW QUESTION # 33
An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?
- A. 60s
- B. 75s
- C. 20s
- D. 90s
Answer: C
NEW QUESTION # 34
Which of the following statements regarding OSPF route summarization is false?
- A. Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.
- B. Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
- C. Any router in OSPF can summarize routes.
- D. OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
Answer: B
NEW QUESTION # 35
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The Huawei H12-821_V1.0 (HCIP-Datacom-Core Technology V1.0) Certification Exam is an intermediate-level certification that validates the skills and knowledge of professionals in the field of data communication. This certification is highly valued by the IT industry and is recognized by many leading companies. To prepare for this exam, candidates can attend training courses or use self-study materials, and Huawei also provides a certification preparation tool called the Huawei Learning Community.
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