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2_Security methods 1part

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Last updated almost 6 years ago
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Lesson objectives
11.1.2.3 describe data protection measures such as data backup and disk mirroring
Starter

Discuss how an organisationcould protect its data in the following scenarios:
•Natural disaster i.e. fires and flooding
•Theft and hacking
•Data loss and corruption
Activity 1

Watch the following video clip and then discuss and then write about the difference between backups and disaster recovery.
•https://youtu.be/nluJhvgog5I
Activity 2

Using the Internet carry out research to explain what disk mirroring is and its advantages and disadvantages. You can use the following link to help you.
•https://www.backupnut.com/raid-mirroring.php
Activity 3

Read the file ‘Backup methods’ and then in pairs discuss:
1.What is a full backup?
2.What is a differential backup?
3.What is an incremental backup?
4.What are the different methods of storing backup? What are their advantages and disadvantages?

•Now answer the questions in your notebook.

https://drive.google.com/open?id=1KxqUWeXRh0Iw4vEdKppLrq4jcbThGpTZ
Activity 4

Read the file ‘backups and archives’ and then complete the ‘Discussion’ activity on page 26.
Activity 5

Answer the following exam question.

A library keeps both a book file and a member file. The library does a stock take twice a year and orders new books only once a year. Members can join or cancel their membership at any time.
•a. Describe how the library can implement a system for backing up the files. [4]
•b. Explain the part that would be played by archiving in the management of the files. [4]
•c. Explain why a backup might also be needed alongside disk mirroring. [4]
Extension

Choose and complete an online quiz from the Quizlet website
•https://quizlet.com/subject/data-backup-and-disaster-recovery/
Plenary:

•What have you learnt?
•What remains unclear?
•What should you work on?