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

Fill in the Blank

What is the process of converting data into an illegible, scrambled format so that it cannot be understood by unauthorised parties?

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

Fill in the Blank

__________ is the process of using a back-up copy of data to restore a database or system to the correct state when a failure or data loss occurs.

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

Fill in the Blank

__________ security is a means of providing added protection to data and systems outside of software by providing an extra layer of security around the actual environment of the company or organisation.

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