Which option describes how to revert a service back to a previous version?
A.
Issue the svccfg delcust command.
B.
Issue the revetsnap command.
C.
Issue the restore_repository command.
D.
Issue the svccfg revert command.
Explanation:
svccfg
subcommand: revert [snapshot]
Reverts the administrative customizations of the currently selected instance and its service to
those recorded in the named snapshot. If no argument is given, use the currently selected
snapshot and deselect it on success.Incorrect:
Not A: Rollback to as-delivered system: svccfg delcust
svccfg
subcommand: delcust [-M] [pattern]
Delete any administrative customizations for the current selection. If an argument is supplied, it is
taken as a glob pattern and only property groups and properties with names that match the
argument are deleted.
Not B: There is no command revetsnap
Not C: Run the command /lib/svc/bin/restore_repository, and follow its instructions to restore one
of the automatic backup copies of the repository. Upon successful completion, the system or local
zone will be rebooted, and the restored repository will take effect.
Not D:
revert [snapshot]
Reverts the administrative customizations of the
currently selected instance and its service to those
recorded in the named snapshot. If no argument is given,
use the currently selected snapshot and deselect it on
success. The changed property values can be made active
via the refresh subcommand of svcadm(1M). See
smf_security(5) for the privileges required to change
properties.
B
You are misspelled, aren’t? D is the correct as you wrote in your explanation.