The switch becomes a logical switch after stacking and clustering, and Eth-Trunk across physical devices can be deployed to improve network reliability.

• A.True
• B.False

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The picture shows the display startup information of AR2200 router. Regarding these information, which of the following statement iswrong?

• A.The running configuration file is not saved
• B.The system file cannot be modified when the device is started next time
• C.The system file used by the device this time is ar2220-v200r003c00spc00.cc
• D.next system startup file system can use the command "startup system software <startup-software-name>" to modify

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Which of the following descriptions about Trunk port and Access port is correct?

• A.Trunk port can only send tagged frames
• B.Trunk port can only send untagged frames
• C.Access port can only send tagged frames
• D.Access port can only send untagged frames

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The administrator cannot log in to the Huawei router through Telnett, but other administrators can log in normally, so which of the following are the possible reasons? (Multiple Choice)

• A.The authority level of the administrator user account has been modified to 0
• B.The administrator user account has been deleted
• C.The administrator user account has been disabled
• D.The Te1net service of the AR2200 router has been disabled

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The priority of the LACP protocol is shown in the figure. Switch A and Switch B adopt LACP mode link aggregation, and all interfaces join the link aggregation group. At the same time, set the maximum number of active ports to 3. Which interface of switch A is not active port?

• A.G0/0/0
• B.G0/0/2
• C.G0/0/1
• D.G0/0/3

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