[2022] Use Valid New Free H12-821_V1.0 Exam Dumps & Answers [Q21-Q40]

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[2022] Use Valid New Free H12-821_V1.0 Exam Dumps & Answers

H12-821_V1.0 Braindumps PDF, Huawei H12-821_V1.0 Exam Cram

Q21. Which of the following statements regarding the firewall zone security level is false?

The configured security level cannot be changed.

Two zones cannot be configured with the same security level.

The default security level of the new zone is 1.

Only the security level of the user-defined zone can be configured.

Q22. The Interface P address and VRRP virtual IP address can be the same.

TRUE

FALSE

Q23. Which of the following statements about WLAN roaming are true?

APs for roaming do not need to have overlapping signal coverage.

APs for roaming must be in the same extended service set (ESS).

APs for roaming must have overlapping signal coverage.

APs for roaming must be in the same basic service set (BSS).

Q24. According to BGP route selection rules, the route with the higher Local_Pref is preferred.

TRUE

FALSE

Q25. Which of the following attribute must be carried in an Update message?

Local-pref

Prefval

MED

AS-Path

Q26. 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?

Voltage monitoring

Temperature monitoring

Fan control

System power-on and power-off control

Q27. What parameters can a DHCP6 server assign to a DHCPv6 client?

Gateway address

DNS server address

IPV6 address/prefix

SNTP server address

Q28. 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.

Q29. 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.

Q30. What is the correct procedure for a VLAN pool to assign terminals to VLANs.

Q31. Which of the following routing protocols support the default route through command configuration?

BGP

IS-IS

OSPF

ICMP

Q32. 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

Q33. OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.

TRUE

FALSE

Q34. 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

Q35. 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.

Q36. 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.

Q37. IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.

TRUE

FALSE

Q38. Which of the following attacks is not the network layer attack?

IP spoofing attack

ICMP attack

Smurf attack

ARP spoofing attack

Q39. 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——————.