Data-level Protection

Data-level Protection

Protecting computer systems from data loss

Multiple Select

In this lesson I am going to learn ... ?

• How data is protected by encryption

• How backup and recovery protects against data loss

• How access control helps protect systems and data

• How compression helps reduce the size of data

Multiple Choice

Most computer systems are concerned with the storage, processing and transfer of vast quantities of ______

• data

• information

• bits

• packets

Multiple Choice

If data is accessed by an unauthorised person, how will encryption help with data security?

• It will not be readable

• It will not be accessible

• It will not be traceable

• It will not be copiable

Multiple Choice

Encryption provides some protection for computer systems against ________

• hackers

• malware

• power failures

• system errors

Multiple Choice

What is a "back-up" of data?

• An identical copy of data that is stored in a separate location to the original

• Data stored on an external storage device

• An identical copy of data stored in the same location as the original

• Saving data on a Cloud storage service

Multiple Select

Backups should be .... (choose all that apply)

• incremental or full backups

• kept for 30 days

• scheduled

• regular

• stored in a safe place

Multiple Choice

Comparing incremental vs. full backup strategies ...

Which one is perfomed more frequently?

• Incremental

• Full

Multiple Choice

Comparing incremental vs. full backup strategies ...

Which one takes up more storage space?

• Incremental

• Full

Multiple Choice

Comparing incremental vs. full backup strategies ...

Which one takes longer to backup?

• Incremental

• Full

Multiple Choice

Comparing incremental vs. full backup strategies ...

Which one is more likely to be used for recovery purposes?

• Incremental

• Full

Multiple Choice

A type of data security where different users are allocated varying levels of access to data or systems?

• Firewall

• Access control

• Social engineering

• Anti-malware

Multiple Select

Choose all the different types of access permission a user may have to access data

• read

• write

• amend / update

• run / execute

• no access

Multiple Select

A user has 'read' access to a file.

What file operations can be performed?

• open

• print

• delete

• save

Multiple Select

A user has 'write' access to a file.

What file operations can be performed?

• open

• run

• delete

• save

Multiple Select

A user has 'execute' access to a file.

What file operations can be performed?

• open

• run

• copy

• save

Multiple Select

Choose all the valid examples of physical security methods ...

• Fingerprint scanner

• Turning monitor screen away from window or door

• Keypad PIN access to server room

• CCTV

• Keeping firewall rules updated

Multiple Select

In this lesson I have learned to ...

• Explain how encryption protects data

• Explain how backup/recovery protects data

• Explain how access rights protects data

Open Ended

Thinking Hard

Reduce the key argument in today's lesson into exactly 12 words.

(press Shift+Enter to take a new line ...)

Poll

How much of this lesson have you understood?

• None of it

• Some of it

• Most of it

• All of it