A faulty what can cause data to become corrupt? scanner hard disk printer.
Which of the following is unlikely to damage or delete data? system crash archiving virus.
Which would be the best method of backing up your data? printing out paper copies and filing them away keep a second copy of the data on your hard disk make a copy on a removable storage device, eg CD, DVD, external hard disk.
Where should backups idealy be kept? on the computer's hard disk near the computer in a separate room or off site.
What can be done to disks to prevent accidental deletion of data? sore them in their original packaging write protect them only allow access with a user ID and password.
In order to restrict access to secure data, a system of what should be used? passwords anti-virus software multi-user operating system.
Converting data into a secret code so that it cannot be read by an unauthorised person is called what? inscription encryption de-encryption.
Which of the following is NOT a physical precaution to protect data? locks on the doors security guards passwords.
What keeps a record of every file opened and every keystroke made? audit log utility program security policy.
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