Which of the following statements regarding network maintenance functions are true? (Multiple Choice)

• A.Through routine maintenance, administrators can obtain the network baseline, laying a good foundation for troubleshooting.
• B.Routine maintenance has high technical requirements for operators but no high requirements for operation standardization.
• C.Routine maintenance is a preventive measure.
• D.Network maintenance is not just a technical issue but also a management issue.

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To rectify a VRRP group two-master fault, run the display this command on VLANIF interfaces on both ends of the VRRP group.
Which of the following operations is not performed?

• A.Check whether the interface IP addresses are on the same network segment.
• B.Check whether the VLANIF interfaces have the same VRRP group ID.
• C.Check whether the virtual IP address is the same on the VLANIF interfaces in the VRRP group.
• D.You do not need to check whether the interval for sending VRRP Advertisement packets is the same on the VLANIF interfaces.

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Which of the following operations are performed during migration acceptance? (Multiple Choice)

• A.Documentation transfer
• B.Acceptance meeting
• C.Transfer-to-maintenance training
• D.Business expense accounting

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Risky operation refers to all operations that may affect the stable running of the device/ proper running of customer services, or normal monitoring on the NMS.

• A.FALSE
• B.TRUE

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In the process of daily troubleshooting, engineers may need to check some reported information of the equipment.
By executing the terminal______ command, turn on the terminal to display the debugging/logging information function sent by the information center. (Please use English lowercase letters to complete the command, and the command cannot be abbreviated)

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