In addition to stateless address autoconfiguration, IPv6 devices can also obtain information such as addresses, gateways, and DNS through DHCPv6.

• A.False
• B.True

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What is the default aging time of the MAC address table of Huawei switches in seconds?

• A.400
• B.500
• C.300
• D.5

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VXLAN uses BGP EVPN to establish a tunnel. What kind of packets are used?

• A.Type4
• B.Type1
• C.Type5
• D.Type2
• E.Type3

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How does the IGMPv2 router maintain the network segment group membership? (Multiple choice)

• A.The router maintains a timeout timer for each group membership, refreshes the timer if it receives the receiver host, and deletes the group membership if the timer expires
• B.After receiving the leave message, the router immediately deletes the group membership
• C.The router periodically sends Query messages. The receiver host reports the Report message after receiving the Query message.
• D.The router will query a specific group

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Which of the following statements are correct about PPPoE data frames? (Multiple Choice)

• A.The Session_ID segment of the ppp session must be the value specified in the Discovery phase and cannot be changed.
• B.When PPPoE is used to transfer session data, Code must be set to 0x0.
• C.The fixed value of the Ethernet Type field is Ox8863.
• D.After the PPPoE session is established, all Ethernet packets are unicast.

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