Free Access H3C.GB0-371-ENU.v2022-04-18.q117 Practice Test (Page 10)

Question 41

In the network connection shown in the figure, SWA and SWB are Layer 3 switches, running STP+VRRP, and after the initial configuration is completed, SWA is the root of STP and Master of VRRP, and SWC is the Layer 2 switch connected to the access terminal , The following description about network link failure is correct

A.When the link between SWA and SWC is interrupted, the topology of STP will change, and G1/0/2 of SWC will become Forwarding

B.When the link between SWA and SWB is interrupted, the topology of STP will change, and both upstream ports of SWC will become Forwarding

C.When the link between SWA and SWB is interrupted, the VRRP Master will switch, and SWB will become the new VRRP Master

D.After the link between SWA and SWC is interrupted, the VRRP Master will remain unchanged, but the SWC downstream terminal will not communicate with the gateway.

Question 42

Regarding the configuration BPDU and TCM BPDU, the statements are correct

A.Configuration BPDUs are usually only sent periodically by the root bridge, and TCNBPDUs may be sent by other bridges except the root bridge.

B.Configure BPDUs to be sent only from the designated port, and TCNBPDUs to be sent only from the root port

C.Alternate port will neither send configuration BPDU nor TCN BPDU

D.The configuration BPDU is usually received only from the root port, and the TCNBPDU is only received from the designated port

Question 43

The following statements about PIMSM shared network segment DR are correct:

A.Only when there are multiple routers on the receiver side connected to the shared network segment and the routers are running IGMPV1, DR elections are required

B.The DR on the receiver side is responsible for sending a join message to the RP

C.The DR on the multicast source side is responsible for sending register messages to the RP

D.The DR on the multicast source side must run IGMP, otherwise the receiver on the receiver side cannot receive multicast traffic

Question 44

The connection form of switch SWA, SWB and SWC is as follows:
SWA--SWB--SWC
The three switches are correctly configured with the GVRP protocol to advertise VLAN information to each other. If VLAN 2 is manually created on SWA, the following description is correct

A.SWA immediately sends the first Join message to SWB, and then waits for the Jointimer time to send the second Join message

B.After receiving the first Join message, SWB waits for the Holdtimer time to send the first Join message to SWC, and then waits for the Jointimer time to send the second Join message

C.SWA waits for the Holdtimer time to send the first Join message to SWB, and then waits for the Jointime time to send the second Join message

D.After SWB receives the first Join message, Ma I sends the first Join message to SWC, and then waits for Jointime to send the second Join message

Question 45

Which of the following addresses is not an IPv4 multicast address?

A.242.255.255.250

B.232.255.255.255

C.224.0.0.13

D.239.255.255.255

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Question 41

Question 42

Question 43

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Question 45

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