Which statement is correct about multicast packet forwarding?

• A.The source address of the multicast packet is a unicast address
• B.The IGMP Snooping function cannot control the range of multicast traffic flooding in the Ethernet
• C.In the multicast transmission mode, the destination address of the message can clarify the location of the receiver
• D.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

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What is wrong about the description of the permanent multicast address?

• A.All hosts and routers in the network segment listen to 224.0.0.1
• B.All routers listen on 224.0.0.2
• C.All routers running PIM protocol listen to 224.0.0.100
• D.All routers running OSPF protocol listen on 224.0.0.5

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The two routers are connected through the serial port, but they cannot ping each other. Now check the port status as follows. Can you determine the cause from the above information?

• A.The link is not wide enough
• B.Subnet mask does not match
• C.Inconsistent link layer protocols at both ends
• D.The IP addresses of both ends are not on the same network segment

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The DHCP relay is responsible for forwarding DHCP messages between the DHCP server and the DHCP client, and assists the DHCP server to dynamically allocate the same network parameters to the DHCP client.

• A.FALSE
• B.TRUE

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The topology map and configuration are as follows. Now I hope that there is no detailed routing entry of 10.6.3.3/32 in the R1 routing table. Which of the following statements can achieve this requirement?
(Multiple Choice)

• A.Configure filter-policy on R2, match ACL 10.0.3.3/32, and apply it in the expot direction.
• B.Configure filter-policy on R1, match ACL 10.0.3.3/32, and apply it in the import direction.
• C.Configure route summarization on R2 and summarize the routes to 10.0.0.0/16.
• D.Configure route summarization on R3 and summarize the routes to 10.0.0.0/16.

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