Online Access Free Huawei.H12-221-ENU.v2022-05-02.q222 Practice Test (Page 40)

H12-221-ENU Exam Question 191

As shown in the figure, on the network running the RSTP protocol, the original root port of the SWC is faulty and the port is in the Down state. In this case, the network goes through which processes to achieve stability?

A.The prepared port on the SWC becomes the new root port and enters to Forwarding state after passing through the Learning state.

B.SWC newly elects the root port and enters to Forwarding state after learning.

C.SWC newly elects the root port and enters to Forwarding state directly.

D.The prepared port on the SWC becomes the new root port and enters to Forwarding state directly.

H12-221-ENU Exam Question 192

The above is the output information of router. The neighbor relationship between the router and the neighbor 2.2.2.2 is in the Adroe state analysis. Which of the following is the most likely reason?

A.It may be TCP port 179 is disabled.

B.It may be due to a problem with OPEN negotiation.

C.It may be due to not receiving the KEEPALVIE packet from the other party.

D.It may be due to not receiving the other party's update message.

H12-221-ENU Exam Question 193

Compared to STP, RSTP protocol defines different port roles. For the description of the standby port and backup port in RSTP, which is correct? (Multiple selection)

A.The port is prepared to back up the root port.

B.The backup port backs up the designated port.

C.The switch to which the standby port belongs is the designated switch of the network segment to which the port is connected.

D.The switch to which the backup port belongs is not the designated switch of the network segment to which the port is connected.

H12-221-ENU Exam Question 194

In multicast network environment, if IGMPv2 hosts and IGMPv1 routers (hereinafter referred to as version 2 host and version 1 router) are co-located on the same LAN, how do they work together?

A.When Version 2 host detects that the IGMP Querier is Version 1 router, it must always respond with the IGMPv1 report.

B.When version 2 host leaves, it still sends an IGMP leave message, and the message can't be suppressed.

C.When version 1 router is a valid IGMP querier, the version 2 host must send an IGMPv1 report.

D.version 1 router treats the IGMPv2 report as an invalid IGMP message type and ignores it.

H12-221-ENU Exam Question 195

Which of the following descriptions about the network command in BGP is wrong?

A.The route injected through the network must exist in the IP routing table.

B.By default, BGP does not publish any local network routes.

C.network cannot be used with the corresponding policy.

D.The injected route needs to strictly match the mask length in the IP routing table.

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H12-221-ENU Exam Question 191

H12-221-ENU Exam Question 192

H12-221-ENU Exam Question 193

H12-221-ENU Exam Question 194

H12-221-ENU Exam Question 195

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