The Link ID of the third type of LSA is ().

• A.The port IP address of the DR on the network segment where it is located
• B.described ABR 's Router ID
• C.Described destination network segment
• D.the Router ID which generates this LSAde router

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What are the three ways to send IPV4 packets? (Multiple choice)

• A.Broadcast
• B.Unicast
• C.Anycast
• D.Multicast

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A company newly purchased a network device. As a network administrator, what method is usually used to configure the device for the first time?

• A.Console port login
• B.FTP
• C.SNMP
• D.TeInet

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During the operation of the DHCP protocol, the process from the client application to obtaining an IP address is ().

• A.3 - 2 - 1 - 4
• B.1 - 2 - 3 - 4
• C.1 - 4 - 3 - 4
• D.3 - 4 - 1 - 2

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Which statement about IGMP Proxy is correct? (Multiple choice)

• A.IGMP Proxy can detect link status in conjunction with NOA to achieve rapid switching between active and standby links
• B.The IGMP Proxy device cannot replace the IGMP querier to send query messages to downstream member hosts to maintain group membership
• C.IGMP Proxy is usually deployed on the device between the member hosts that access the device
• D.The downstream connection of the IGMP Proxy device generates multicast forwarding entries based on the information of member hosts joining/leaving the multicast group

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