About the correct description of the information as shown in the figure is.

• A.The GigabitEthernet 0/0/0 interface was manually closed by the administrator
• B.The wrong cable is connected to the GigabitEthernet 0/0/0 interface
• C.The GigabitEthernet 0/0/0 interface is not configured with an IP address
• D.The dynamic routing protocol is not enabled on the GigabitEthernet 0/0/0 interface

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As shown in the figure. All four switches are running $TP. Various parameters are set to default values. If the GO/0/2 port of switch C is blocked and cannot send configuration BPDUs through this port, how long will it take for the blocked port in the network to enter the forwarding state? () (Single-choice question)

• A.About 3 seconds
• B.About 15 seconds
• C.About 30 seconds
• D.About 50 seconds

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Which of the following statements are correct about the VLAN design and planning of the campus network?

• A.Reserve a certain number of VLANs to facilitate subsequent expansion
• B.It is recommended to assign VLAN numbers consecutively to ensure the rational use of VLAN resources
• C.The most commonly used VLAN division method is based on port division
• D.The most commonly used method of division is based on MAC

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The router needs to modify the destination IP address in the data packet when forwarding the data packet.

• A.True
• B.False

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When adopting LACP mode for link aggregation, what is the default system interference level of Huawei switches? ()

• A.4096
• B.32768
• C.36864
• D.24576

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