Valerie upgraded her MacBook Pro to OS X Lion and completed a Time Machine backup just
before her vacation. She accidentally deleted an important file that she was updating during the trip. How can she use Time Machine to recover the file?
A. Boot to the Recovery HD and choose Restore files from a Time Machine Backup.
B. Hold the option key then click the Finder Go menu and choose Local Snapshots.
C. The file can only be restored when she returns home and has access to the backup drive.
D. Restore the file from a local snapshot by entering Time Machine, finding the file, and clicking Restore.
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OS X Lion: About Time Machine’s “local snapshots” on portable Macs
Summary
Time Machine in OS X Lion includes a new feature called “local snapshots” that keeps copies of files you create, modify or delete on your internal disk. Local snapshots compliment regular Time Machine backups (that are stored on your external disk or Time Capsule) giving you a “safety net” for times when you might be away from your external backup disk or Time Capsule and accidentally delete a file.