Free Access H3C.GB0-371-ENU.v2022-04-18.q117 Practice Test (Page 3)

Question 6

The following statements about the registration process of PIM SM are correct (choose one or more)

A.After the RP receives the source registration message for the first time, it will send a (*, G) join message to the multicast source and establish (*, G) entries along the way

B.When a multicast source initially sends traffic, the connected DR will encapsulate several empty Register messages to register with the RP

C.After the RP normally receives the multicast forwarded traffic from the multicast source, it forwards the multicast to its downstream interface until the multicast receiver, forming an RPT from the RP to the multicast receiver along the way.

D.Unlike the PUSH method of PIM DM, in PIM SM, the multicast source only starts to send multicast traffic when there are downstream receivers

Question 7

Regarding the three versions of the multicast group management protocol IGMPv1, IGMPV2, and IGMPv3, which is correct

A.IGMPv1 no leave message

B.Only IGMPV3 has designed a specific source and group joining mechanism

C.IGMPV2, IGMPV3 have specific group query messages

D.IGMPV3 cancels the membership report suppression mechanism

E.The election principles of the three versions of the querier are the same

Question 8

The figure shows the networking application of RRPP. Customer LAN switches SWA, SWB, SWC, and SWD form RRPP ring main ring 1, switches SWB, SWC and SWE form sub-ring 2, and switches SWB, sWC and sWF form sub-ring 3. If Switch SWE is the master node of sub-ring 2, SWF is the master node of sub-ring 3, and switch SWB is the edge node of sub-ring 2 and sub-ring 3. In order to eliminate the defect of broadcast storm under specific conditions of RRPP dual-homing networking, the above information Can know

A.If the link between the switch SWA and the switch SWD is Down, the edge port on the switch SWB will be blocked

B.If the link between the switch SWA and the switch SWB is Down, and the link between the switch SWB and SWC is Down, the edge port on the switch SWB will be blocked

C.If the link between the switch SWB and the switch SWC is Down, the edge port on the switch SWB will be blocked

D.If the link between switch SWA and switch SWB is Down, and the link between switch SWA and switch SWD is Down, the edge port on switch SWB will be blocked

Question 9

Regarding the compatible operation of RSTP and STP, the following statements are correct:

A.When the RSTP switch and STP switch work together, you need to switch the working mode of the RSTP switch to STP through the command stpmode stp

B.When the RSTP switch and STP switch work together, the port connected to the STP switch will switch to STP mode

C.When the connection between the RSTP switch and the STP switch is disconnected, the port previously connected to the STP switch will automatically switch back to RSTP mode

D.When a port on the RSTP switch is switched to STP mode, the port will no longer have the rapid convergence characteristics of RSTP

Question 10

The customer's LAN switch SWA is connected to SWB through GigabitEthenet 2/0/1, and to SWC through GigabitEthernet 2/0/2, and the SWA switch has the following configuration:
[SWA]stp region-configuration
[SWA-mst-region]instance 0 vlan 1 to 100
[SWA-mst-region]instance 2 vlan 101 to 200
[SWA]smart-link group 1
[SWA-smlk-group1 ]protected-vlan reference-instance 0
[SWA-smlk-group1]port gigabitethernet 2/0/1 master
[SWA-smlk-group1 ]port gigabitethernet 2/0/2 slave
[SWA] smart-link group 2
[SWA-smlk-group2]protected-vlan reference-instance 2
[SWA-smlk-group2]port gigabitethernet 2/0/2 master
[SWA-smlk-group2]port gigabitethernet 2/0/1 slave
If the SWA, SWB, and SWC ports allow all VLANs to pass, you can know from the above information

A.SWA switch VLAN 102 traffic will be uplinked through GigabitEthe 2/0/2

B.SWA switch VLAN 102 traffic will be uplinked through Gigabitethernet 2/0/1

C.SWA switch VLAN2 traffic will be uplinked through GigabitEthernet 2/0/1

D.SWA switch VLAN2 traffic will be uplinked through Gigabitethernet 2/0/2

Other Version: 2744H3C.GB0-371-ENU.v2022-08-24.q110

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