(Mar-2024) Get professional help from our H12-821_V1.0 Dumps PDF [Q21-Q41]

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(Mar-2024) Get professional help from our H12-821_V1.0 Dumps PDF

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Huawei H12-821_V1.0 exam is intended for individuals with a solid foundation in data communications and a strong understanding of network protocols and technologies. It is an intermediate-level certification that requires candidates to have prior experience in the field of data communications. H12-821_V1.0 exam is intended to validate the knowledge and skills of professionals who are responsible for the design, implementation, and maintenance of data communication networks.

Huawei H12-821_V1.0 certification exam is targeted towards network engineers, network administrators, and other IT professionals who are responsible for designing, implementing and maintaining datacom core networks. H12-821_V1.0 exam validates the candidate’s ability to design, deploy, and manage complex datacom core networks using Huawei technologies. Candidates who pass H12-821_V1.0 exam will have a better understanding of core network technologies and will be able to provide more effective solutions to their organizations.

Q21. RSTP provides different functions in different scenarios. Which of the following statements Is false?

After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period

The role of the designated port that is enabled with root protection cannot be changed

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

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

Q22. Which of the following routing protocols support the default route through command configuration?

BGP

IS-IS

OSPF

ICMP

Q23. When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?

1.1.1.1/26

1.1.1.2/16

1.1.1.1/32

1.1.1.1/24

Q24. Which of the following attribute must be carried in an Update message?

Local-pref

Prefval

MED

AS-Path

Q25. After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?

The cost of an IS-IS interface is changed.

The IP address of an ISIS interface is changed.

The level of an ISIS interface is changed.

The interval at which an IS-IS interface sends IIH packets is changed.

Q26. If a router ID is configured in both the system via and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.

TRUE

FALSE

Q27. Which of the following PIM protocol packets have unicast destination addresses.

Bootstrap

Graft

Assert

Q28. What is the correct procedure for a VLAN pool to assign terminals to VLANs.

Q29. Which of the following statements regarding the BGP error display of a router false?

The error may be caused by the incorrect neighbor address.

The neighbor address of this router is 10.1.1.5.

Error Type indicates that the BGP error is caused by the neighbor relationship error.

The error occurred at 12:40:39 on March 22, 2010.

Q30. Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

3.3

Q31. Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?

802.11ac

802.11n

802.11ax

802.11b

Q32. IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

TRUE

FALSE

Q33. As shown in the following figure, a new AP is deployed In dual link MSB networking (load balancing mode).
Which AC will the connect to?

AC1

Random access

None

AC2

Q34. Which of the following statements regarding OSPF route summarization is false?

OSPF supports two route summarization modes: ABR summarization and ASBR summarization.

Any router in OSPF can summarize routes.

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.

Route summarization can reduce routing information, decrease the routing table size, and improve router performance.

Q35. Four routers run ISIS and have established adjacencies. The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?

Q36. ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?

If the firewall security policy permits packets to pass, the session table is created.

By default, when status detection is disabled and the permit policy is configured packets can pass.

Packets must pass the firewall, and a session table is established.

If the firewall security policy permits packets to pass, the packets can pass the firewall.

Q37. As shown in the figure, SWA, SWB, SWC, and SWD run the Rapid Spanning Tree Protocol (RSTP). Which of the following statements are true?

Once receiving OPOUs, the edge port re-partlci pates in the calculation of the spanning tree.

After a port is Configured as an edge port, the port can quickly enter the Forwarding state.

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.

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.

Q38. Which of the following statements is false?

If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.

A device with a higher router priority has a higher election priority.

When a router with the highest router priority joins an OSPF network, this router will become the new DR.

If two devices have the same router priority, the device with a larger router ID has a higher election priority.

Q39. Which of the following statements regarding the summary automatic command and BGP route summarization is false?

After this command is configured, BGP sends only the summarized routes to peers

This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization

This command enables automatic summarization for the locally imported routes

After this command is configured, BGP summarizes routes based on natural network segments

Q40. In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.

TRUE

FLASE

Q41. Which of the following statements regarding the LSA age field are true?

The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.

If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.

The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.

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.

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