Which type of backup destination should you use?

You have a computer that runs Windows 7.

You need to configure system image backups to meet the following requirements:
• Automatically create a system image every day without user intervention
• Retain multiple copies of the system image
Which type of backup destination should you use?

A.
external hard disk drive

B.
network location

C.
USB flash drive

D.
writeable DVD

Explanation:
Backup And Restore in Windows 7 supports backing up data files to CD-ROM, DVD-ROM, hard disk
(including VHD files), or a network location. You can use Backup And Restore to write a System
Image backup to an internal hard disk drive, an external hard disk drive (if formatted with the NTFS
file system) and a network location. You cannot use Backup And Restore to write a System Image
backup to a USB flash drive, a writable DVD, or a tape drive.
You need to schedule client computers that store important data for automatic backup. After you
first configure automatic file backup using the Backup And Restore console, Windows 7 regularly
backs up your files. The first time a backup is performed, a full backup is done, including all
important user documents. Subsequent backups are incremental, backing up only changed files.
Older backups are discarded if the disk begins to run out of space.
Scheduling Backups with the Backup And Restore Console
Windows 7 Backup uses shadow copies to take a snapshot of your files, allowing the backup to
completely back up files even if they are open. Backups are configured and scheduled by using the
Backup And Restore console under System And Security in Control Panel. You can select the
following types of backup destination:
An external hard drive
External hard drives are more expensive to purchase than internal hard drives, although you need to
balance this against the cost of fitting the internal drive. They can be removed and stored in a secure
location. However, they are typically slower than internal hard drives and tend to be less reliable,
mainly because they are by default formatted using FAT rather than NTFS. You cannot use an
external hard drive for a System Image backup unless you convert its filing system to NTFS. Because
it is easily removable, it is more likely that an external hard drive will be missing when a scheduled
backup is required.
Network location
If your computer is short of disk space, you can back it up to a network location on another
computer or network storage. Note that this is not the same as the situation in a production
environment, where users’ Documents libraries are stored on a file server and an administrator
backs up the file server. You can save your backups on a network location only on computers
running Windows 7 Professional, Windows 7 Ultimate, and Windows 7 Enterprise, and you need to
provide credentials so that Windows Backup can access the network. Bear in mind that you can save
your backups on a network location only on computers running Windows 7 Professional, Windows 7
Ultimate, and Windows 7 Enterprise.
USB flash drives

Flash drive memory is considerably less expensive and flash drive devices support much more
memory than they did three or even two years ago. Nevertheless, they typically support a lot less
memory than hard drives and quickly fill up if you needed to keep copies of older backups. You
cannot save System Image backups to flash memory. A flash drive must be able to hold more than 1
GB if you want to save a backup on it. Flash drives can be stored offsite and are small and easy to
carry. They are also easy to lose.