What is the value of TPID. defined by IEEE802.1Q? ()

• A.0x8100
• B.0x9100
• C.0x7200

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Refer to the configuration of the single-arm routing in the figure below, you can judge that even if the ARP proxy is not enabled on the sub-interface of R1,The administrative department and the financial department can also visit each other. ()(True or False)

• A.True
• B.False

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Which of the following statements is true about the Forward Delay timer of STP?

• A.Reduce the interval for sending BPDUs.
• B.Improve the STP convergence speed.
• C.Improve the configuration BPDU lifetime, ensuring that the configuration BPDUs can be forwarded to more switches.
• D.Prevent temporary loops.
• E.Delay is required when a port transitions between Blocking and Disabled.

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In the broadcast network, which routers will a DRother router exchange link status information with?

• A.DR Other
• B.BDR
• C.All ospf neighbors
• D.DR

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The routing table is shown in the figure. Which of the following statements is correct? () (Multiple Choice Questions)

• A.The router forwards data packets whose destination IP is 10.0.12.1 from Ethernet (/0/0)
• B.The router forwards the destination from Ethernet0/0/0IPacket with P as 10.0.2.2.
• C.The router forwards the purpose from Ethernet (/o/0IPackets with P as 10.0.3.3.
• D.The NextHop of the destination network 10.0.3.3/32 is not directly connected, so the router will not forward packets with the destination IP address 10.0.3.3.

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