0417_3_Data Backup Quiz

What is the purpose of backing up data?

• To increase the speed of the computer

• To safeguard against data loss due to hardware failure

• To improve internet connectivity

• To enhance graphics quality

Which of the following is NOT a reason for backing up data?

• To protect against data loss from hackers

• To prevent data corruption from viruses

• To increase the size of the storage device

• To use files elsewhere

What is an example of a medium used for backing up data?

• Monitor

• Keyboard

• Magnetic tape

• Mouse

Why might backups not protect against viruses?

• Viruses can attach to backup files

• Backups are stored in a different location

• Backups are only for hardware failures

• Backups are encrypted

What are the three new terms important to understand when discussing methods of accessing data?

• Field, Record, File

• Field, Record, Folder

• File, Folder, Document

• Record, Document, Page

In the context of data storage, what is a 'field'?

• A collection of files

• A single piece of data about an item

• A type of storage device

• A method of data encryption

What is the primary use of serial access in data storage?

• To access data randomly

• To access data in a sequential order

• To encrypt data

• To compress data

What is a 'master file' in the context of updating magnetic tapes?

• A file that contains all the new data

• The original file that needs updating

• A backup file stored on a different medium

• A file used for encryption

What is the first step in updating the Master File (MF) using the Transaction File (TF)?

• Create a new master file (NMF).

• Sort the TF in the same order as the MF.

• Compare the first record of the TF and MF.

• Write remaining records from the TF to the NMF.

What happens if the key field on the MF is equal to the key field on the TF?

• No transactions take place, and the MF record is written to the NMF.

• A new record is created on the NMF.

• The TF record is deleted.

• The process is repeated until the end of the MF.