2022 Realistic Verified Free Huawei H12-821_V1.0 Exam Questions [Q33-Q51] – IT Certification Exam Questions & Answers

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2022 Realistic Verified Free Huawei H12-821_V1.0 Exam Questions

H12-821_V1.0 Real Exam Questions and Answers FREE

Q33. Which of the following statements regarding different LSA types is false?

LS Request packets contain only LS Type, LS ID, and Advertising Router.

LS Ack packets contain complete LSA information.

DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.

LS Update packets contain complete LSA information.

Q34. 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

Q35. Drag the following VRRP states to the corresponding working mechanisms.

Explanation
Master
Backup
Master
Backup

Q36. Which of the following statements regarding BGP route advertisement are false?

All the BGP routes learned from all BGP peer will be advertised to other BGP peers.

Only the optimal routes preferred by BGP can be advertised to other BGP peers.

By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers.

Only the routes learned from IGPs can be advertised to other BGP peers.

Q37. 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.

TRUE

FALSE

Q38. Which of the following routing protocols support the default route through command configuration?

BGP

IS-IS

OSPF

ICMP

Q39. To inject IGP routes into BGP routes, you can only use the network command.

TRUE

FALSE

Q40. 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

Q41. Which Of the following IEEE 802.11 standards is also known as Wi-Fi 6?

802.11ac

802.11n

802.11ax

802.11b

Q42. 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?

Is used together with the route import function to advertise some imported external routes to neighbors.

If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.

Controls the advertisement of routes generated by the device.

Filters LSPs to be advertised.

Q43. Which of the following attribute must be carried in an Update message?

Local-pref

Prefval

MED

AS-Path

Q44. 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

Q45. To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.

TRUE

FALSE

Q46. An engineer sets the CAPWAP heartbeat detection interval to 20 of the active link before an active/standby switchover occurs?

75s

20s

60s

90s

Q47. According to BGP route selection rules, the route with the higher Local_Pref is preferred.

TRUE

FALSE

Q48. Which of the following statements regarding the stateful inspection firewall is true?

When the stateful inspection firewall checks packets, packets of one same connection are not correlated.

Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.

The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.

The stateful inspection firewall needs to match the rules for each incoming packet.

Q49. 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

Q50. Regarding the route-policy set-cost configuration below, which of the following statements is true?

The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.

The cost of all routes is set to 200.

All the routes that are not permitted by node 10 will be denied.

The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.

Q51. Which of the following statements about the forwarding plane of a switch is false?

Provides high-speed and non-blocking data channels.

Can encapsulate and decapsulate packets.

Can collect packet statistics.

Consists of main control boards and interface boards.

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