多项选择题
Which three steps are part of the root password recovery process?（）
A. Reboot the device.
B. Run the recovery script.
C. Reset the root password.
D. Reset the user passwords.
E. Load factory-default configuration.
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单项选择题
Which CLI command do you use to determine which files are cleanup candidates?（）
A. request system storage cleanup candidates
B. request system services storage candidates
C. request system services candidate cleanup
D. request system storage cleanup dry-run -
多项选择题
Which two commands allow you to return to a previous version of software on the device?（）
A. request system software add
B. request system software downgrade
C. request system software replace
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单项选择题
Which command do you issue to upgrade the current software on Junos devices?（）
A. request system software replace
B. request system software install
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