Free Access H3C.GB0-371-ENU.v2022-04-18.q117 Practice Test (Page 14)

Question 61

In the networking shown in the figure, the PIM SM protocol runs between RT1, RT2 and RT3, the RP is 1.1.1.1 RT3 is connected to the receiver, and IGMP is enabled on the corresponding interface, and the multicast source 2.2.2.2 is connected View the unicast routing table on RT2 on RT3 as follows:
[RT3]display ip routing-table
Routing Tables: Public
Destinations: 11 Routes: 12
Destination/MaskProtoPreCost NextHop Interface
1.1.1.1/320SPF 10 1562 192.168.2.1 so/2/1
2.2.2.2/320SPF 10 1562 192.168.2.1 so/2/1
127.0.0.0/8 Direct 00127.0.0.1 InLoopO
127.0.0.1/32Direct 00127.0.0.1 InLoopO
192.168.0.0/30Direct 00192.168.0.2 S0/2/0
192.168.0.1/32Direct 00192.168.0.1 S0/2/0
192.168.0.2/32Direct 00127.0.0.1 InLoopO
192.168.1.0/300SPF 10 3124 192.168.2.1 so/2/1
OSPF 10 3124 192.168.0.1 S0/2/0
192.168.2.0/30Direct 00192.168.2.2 so/2/1
192.168.2.1/32Direct 00192.168.2.1 so/2/1
192.168.2.2/32Direct 00127.0.0.1 InLoopO
Then, when the receiver (Receiver) sends a group join request, which of the following routers have (*, G) entries

A.RT1

B.RT3

C.RT2

Question 62

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

A.The DR router of the multicast source will maintain a registration suppression timer. If the timer expires, the DR will unicast multicast source registration messages to the RP

B.After the RP receives the registration message from the DR, it will send a registration stop message and update the local (S, G) and (*, G) entries

C.To prevent the registration suppression timer from expiring, the DR will send the Register message encapsulating the multicast data to the RP before the timer expires

D.After receiving the registration stop message, the DR will update the registration suppression timer and continue to send data in multicast mode

Question 63

In the switching network as shown in the figure, VLAN 10 is set as Super VLAN on the switch SWA, VLAN 2 and VLAN 3 are Sub VLANs of VLAN 10, Port Ethernet1/0/3 is a Trunk port, PVID is VLAN 1, allowing all VLANs to pass ; Create VLAN2~VLAN20 on the switch SWB, port Ethernet1/0/4 as Trunk port, PVID as VLAN1, allowing all VLANs to pass. After setting the IP address of each device as shown in the figure, you can judge (choose one or more item)

A.SWA can communicate with SWB

B.PCC can communicate with PCB

C.PCC can communicate with SWB

D.PCC can communicate with SWA

Question 64

Regarding the basic concepts of MSTP, the correct statement is

A.IST is a fragment of CIST in the MST region, and the root of IST is the bridge with the highest priority in the MST region

B.The root of IST is the bridge closest to the total root in IST

C.One MST region can contain multiple MSTI instances, and different MST regions can contain different MSTI instances

D.One MSTI instance can map multiple VLANs, and the VLAN mapping relationship in different MST regions can be different

Question 65

If you need to implement multicast data forwarding in a three-layer network, at least configure the following protocols or functions

A.IGMP protocol

B.BSR configuration

C.IGMP Snooping function

D.PIM Agreement

Other Version: 2754H3C.GB0-371-ENU.v2022-08-24.q110

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Question 61

Question 62

Question 63

Question 64

Question 65

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