Get Huawei H12-821_V1.0-ENU Dumps Questions [2022] To Gain Brilliant Result [Q131-Q150]

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Get Huawei H12-821_V1.0-ENU Dumps Questions [2022] To Gain Brilliant Result

H12-821_V1.0-ENU dumps – Test4Cram – 100% Passing Guarantee

Q131. As shown in the figure, the management VLAN of LAN is VLAN 10. AP obtains IP address through DHCP, and the network segment is 10.1. 1.0/24 AP, AC and AR are respectively DHCP client, DHCP relay device and DHCP server. (Multiple choice)

Which of the following is the correct configuration of the DHCP relay device and DHCP server?

[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] quit

[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 LAR-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

[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] quit

[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 GigabitE thernet 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

Q132. What is the security level of the Untrusts zone in the USG series firewall?

Q133. Which of the following statements about multicast packet forwarding is correct?

The source address of the multicast packet is a unicast address

In the multicast transmission mode, the destination address of the message can clarify the location of the receiver

RPF check failure indicates that the multicast data packet is received from the sub-optimal interface, but the inbound interface will still receive the multicast traffic and forward it downstream

The IGMP Snooping function cannot control the range of multicast traffic flooding in the Ethernet

Q134. Which of the following BGP attributes are not required to be included in the Update message of BGP routing? (Multiple choice)

Origin

AS_PATH

Local-Preference

MED

Q135. When configuring the BGP, if such a warning is generated: ” BGPI6ESTABLISHED:OID[oid] The BGP FSM enters the Establishedstate”, which of the following description is true?

Indicates that the BGP neighbor has been established

The warning message is abnormal and must be dealt with

Explain that this type of alarm is generated due to TCP problems

Explain that there is a problem due to OPEN message negotiation between BGP neighbors

Q136. Which of the following description of roaming is correct? (Multiple choice)

APs that implement wireless roaming do not need to have signal coverage overlapping areas

APs that implement wireless roaming must have signal coverage overlapping areas

APs that implement wireless roaming must be in the same extended service set (ESS)

APs that implement wireless roaming must be in the same basic service set (BSS)

Q137. Which of the following description about OSPF is correct?

OSPF LSA is updated regularly every 30 minutes

OSPF floods an LSU every 5s

OSPF uses Bellman-Ford algorithm, each router runs the algorithm independently

OSPF itself does not have a confirmation mechanism, so OSPP relies on the underlying protocol, namely TCP confirmation.

Q138. Which statement about IGMP Proxy is correct? (Multiple choice)

IGMP Proxy can detect link status in conjunction with NOA to achieve rapid switching between active and standby links

IGMP Proxy is usually deployed on the device between the member hosts that access the device

The downstream connection of the IGMP Proxy device generates multicast forwarding entries based on the information of member hosts joining/leaving the multicast group

The IGMP Proxy device cannot replace the IGMP querier to send query messages to downstream member hosts to maintain group membership

Q139. A certain network runs IS-IS. The L SP information of a router R4 in the network is shown in the figure. Which of the following statements is correct? (Multiple choice)

The LSP is the LSP generated by the pseudo node

The cost of R4 to reach the external route is 64

The external route described by this LSP is 10.0.4.3/32

The System ID of R4 is 4004.0000.0004

Q140. a router running IS-IS, the following picture shows the router sends Hello message, which of the following statements is correct? (Multiple choice)

The system ID of the router is 0050.0600.7008

The interface address of the router is 10.6.7.5

The area code of the router is 00.0001

This router is a LEVEL-1-2 router

Q141. The role of the switch in the stacking system not include:

Main switch

Candidate switch

Slave switch

Standby switch

Q142. Please match the following hardware modules with the corresponding functions.

Q143. Which layer of data packets does the packet filtering firewall inspect?

Link layer

Application layer

Network layer

Physical layer

Q144. Which types of messages does the BGP protocol support? (Multiple choice)

Hello

Keepalive

Update

Open

Q145. Which is not included in the three elements of the server map table of the USG series firewalls?

Destination port number

Agreement number

Destination IP

Source IP

Q146. RTA is the source DR router and RIB is the RP router. The multicast source sends multicast data to RTA, but the multicast source registered with it through the PIMRegister message cannot be seen on the RIB. What are the possible reasons? (Multiple choice)

There is no single-pointer route from RTB to RTA, which causes RIB’s RPF check of the source to fail

The multicast network dynamically elects the RP, but the RTA’s RPF check on the BSR fails

The RP elected by RTA is not RTB

The multicast network is statically configured with RP, but the RTA router is not statically configured with RP

Q147. Use the IP prefix list as shown in the figure for route matching. Which of the following routes can be matched?
ip ip-prefix List1 index 10 permit 192.168.1.0 24 greater-equal 24 less-equal 27

192.168.2.0/24

192.168.3.0/25

192.168.1.0/27

192.168.1.0/23

Q148. With regard to the dual-link hot standby configuration, when configuring the priority of an AC, the higher the priority value, the higher the actual priority of the AC.

TRUE

FALSE

Q149. How does IGMPv2 router maintain the network segment group membership? (Multiple choice)

The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires

After receiving the eave message, the router immediately deletes the group membership

The router periodically sends Query messages, and the receiver host reports a Repeat message after receiving the Query message

The router will query a specific group

Q150. Four routers are running IS-IS and have established adjacency relationships. The area numbers and router levels are marked as shown in the figure. If route penetration is configured on the R3 device, what is the cost value from R4 to 0.0.2.2/32?

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