Online Access Free Huawei.H12-821_V1.0.v2025-11-07.q582 Practice Test (Page 20)

H12-821_V1.0 Exam Question 91

Which of the following statements about the application of BFD is correct? (Multiple choice)

A.The one-arm echo function refers to the loopback operation of BFD packets to detect the connectivity of the forwarding link

B.BFD multi-hop detection means that BFD can detect any path between two systems. These paths may span many hops or may overlap in some parts.

C.The linkage between BFD and OSPF is to associate BFD and OSPF, and then notify OSPF through BFD's rapid detection of link failures, thereby speeding up OSPF 's response to network topology changes.

D.BFD single-hop detection refers to the IP connectivity detection of two directly connected systems

H12-821_V1.0 Exam Question 92

As shown in the figure, the management VLAN of the LAN is VLAN 10, the AP obtains an IP address through DHCP, and the network segment is 10.1.1.0/24 AP, AC and AR are DHCP client, DHCP relay device and DHCP server respectively.

Which of the following is correct about the configuration of the DHCP relay device and the DHCP server? (Multiple choice)

A.[Ac]dhcp server group AP
[AC-dhcp-server-group-AP] dhep-server 10.1.1.2
[AC-dhcp server group-AP] quit
[AC] interface Vlanif 10
[AC-V1anif10] dhcp select relay
[AC-Vlanif10] dhcp relay server-select AP
[AC-Vlanif10] said

B.[AR] ip pool AP [AR-ip pool-AP] network10.1.1.0 mask 24
[AR-ip-pool-AP] gateway-list 10.1.1.2
[AR-ip-pool-AP] excluded ip-address 10.1.1.1
[AR-ip-pool-AP] quit
[AR] interface GigabitEthernet 0/0/1
[AR-GigabitEthernet0/0/1] dhcp select global
[AR-Gigabi tEthernet0/0/1] quit
[AR] ip route-static 10.1.1.0 255.255.255.0 172.21. 1.1

C.[AC] dhcp server group AP
[AC-dhcp-server-group-AP] dhcp-server 172.21.1.2
[AC-dhcp-server-group-AP] quit
[AC] interface Vlanif 10
[AC-Vlanif10] dhcp select relay
[AC-Vlanif10] dhcp relay server-select AP
[AC-Vlanif10] quits

D.[AR] ip pool AP
[AR-ip-pool-AP] network 172.21.1.0 mask 24
[AR-ip-pool-APJ gateway-list 172.21.1.2
[AR-ip-pool-AP] excluded-ip-address 172.21.1.1
[AR-ip-pool-AP] quit
[AR] interface GigabitEthernet 0/0/1
[AR-GigabitEthernet0/0/1] dhcp select global
[AR-GigabitEthernet0/0/1] quit
[AR]ip route-static 10.1.1.0 255.255.255.0 172.21.1.1

H12-821_V1.0 Exam Question 93

As shown in the picture, which of the following statements is correct?

A.R1 and R2 cannot establish an adjacency relationship because the OSPF process numbers are inconsistent.

B.R1 and R2 can establish an adjacency relationship, but cannot complete route calculation.

C.R1 and R2 can establish an adjacency relationship and complete route calculation.

D.R1 and 2 cannot establish an adjacency system, because the network configuration of the interface is inconsistent.

H12-821_V1.0 Exam Question 94

By default, a router interface sends PIM Hello messages at an interval of __________ seconds.

H12-821_V1.0 Exam Question 95

The filter-policy 2000 export is configured in the IS-IS process server-group-AP, which statement about the function of this command is wrong?

A.It needs to be used in combination with route import, so that only part of the imported external routes can be advertised to neighbors

B.It will restrict the publishing of routing entries generated by the device itself

C.This command will filter the link state information published externally

D.If this command is not configured, the device will advertise all the routes imported to S-IS by the external routing protocol by default.

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