I and II only - True

I, II, and III - False

I only - False

II only - False

1. Assume that a full backup is taken on Saturdays and an incremental backup is taken on all other days of the week. If a disk, crash occurs on Thursday, which of the following backup disks would be needed for restoration?

• The full backup disk taken the last Saturday before the crash
• The incremental backup disk taken on Wednesday (the day before the crash)
• The incremental backup disks taken on Sunday, Monday, and Tuesday

I, II, and III - True

I and II only - False

I only - False

II and III only - False

1. Which of the following is (are) true regarding the use of tape drives as backup devices?

• Tape drives are good backup devices for personal computers.
• Tape drives can be installed in an open drive bay in a desktop computer.

I and II - True

I only - False

II only - False

None - False

1. Which of the following is (are) true regarding the use of floppy disks as backup devices?

• Taking backups using floppy disks is very expensive.
• Floppy disks do not provide enough capacity to store most digital-photograph and music files.

II only - True

I and II - False

I only - False

None - False

1. Which of the following is (are) true regarding the use of zip disks as backup devices?

• Zip disks do not provide enough capacity to store most digital-photograph and music files.
• Among all backup devices, the writing process is slowest with zip disks.

None - True

I only - False

II only - False

I and II - False

1. Which of the following is (are) true regarding the use of writable optical disks as backup devices?

• Writable optical disks provide good storage capacities and are quite inexpensive.
• The speed of writing is very fast for writable optical disks.

I only - True

I and II - False

II only - False

None - False

1. Which of the following is (are) true regarding the use of a second hard disk as a backup device?

• If both the hard disks are of equivalent capacity, the backup process can proceed unattended.
• Backups can occur at very high speeds.

I and II - True

I only - False

II only - False

None - False

1. Which of the following is (are) true regarding the use of backup software?

• The type of backup software that is needed depends on the backup plan.
• Backup software is available that can enable the scheduling of automatic backups of predetermined files and folders at predetermined times.

I and II - True

I only - False

II only - False

None - False

1. Which of the following activities can help protect a computer system from attacks?

• Keeping the monitor turned off when it is not in use
• Disconnecting the computer from the network when the network is not being used
• Turning off printers when they are not in use

II only - True

I, II, and III - False

I and III only - False

I and II only - False

1. Secure passwords should have which of the following characteristics?

• Be at least eight characters long
• Be a mixture of uppercase and lowercase letters, numbers, and punctuation marks.
• Be an obscure word chosen from the dictionary

Date: 2015-12-18; view: 771