Which statement is correct about the validate option when upgrading JUNOS software?
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A. B. C. D.C
When you upgrade or downgrade Junos OS, we recommend that you include the validate option with the request system software add command to check that the candidate software is compatible with the current configuration. By default, when you add a package with a different release number, the validation check is done automatically.
The "validate" option is used when upgrading JUNOS software. This option is used to check the compatibility of the installation package with the device's hardware and software components before installing the new version of the software. This helps to avoid any potential issues that may arise during the installation process.
Out of the given options, option A is incorrect because checking the MD5 checksum of the installation package is performed using the "checksum" command, not the "validate" option. Option B is also incorrect because checking memory requirements is not done using the "validate" option. The device's memory requirements must be checked before attempting to install any new software package.
Option C is correct because the "validate" option checks the compatibility of the configuration with the new software version. When upgrading to a new JUNOS version, there may be changes to the software configuration that are not compatible with the new version. The "validate" option checks for any potential compatibility issues and warns the user before proceeding with the installation.
Option D is incorrect because checking storage requirements is not performed using the "validate" option. Before installing any new software, it is important to check if the device has enough storage space available for the new installation package.