1.1.13 - Describe a range of methods that can be used to prevent data loss.

Question 1

What should the amount of resources allocated to data loss prevention be based on?

Answer 1

The amount of resources allocated to data loss prevention should be judged based on the worst case scenario’s effects.

Question 2

What are the 4 main methods of data loss prevention?

Answer 2

1) Redundancy.
2) Failover system.
3) Removable media.
4) Offsite/offline storage.

Question 3

Explain what (data) redundancy is.

Answer 3

Data redundancy is a condition created within a database or data storage technology in which the same piece of data is held in two separate places. This can mean two different fields within a single database, or two different spots in multiple software environments or platforms.

Question 4

Explain what failover is.

Answer 4

Failover is the constant capability to automatically and seamlessly switch to a highly reliable backup system. This can be operated in a redundant manner or in a standby operational mode upon the failure of a primary server, application, system or other primary system component.

Question 5

Explain what removable media is.

Answer 5

Removable media is any type of storage device that can be removed from a computer while the system is running, e.g. CDs, DVDs, USBs, making it easy for a user to move data from one computer to another.

Question 6

What are the two categories of removable media?

Answer 6

1) Tertiary Storage - Mechanically/automatically mounted and dismounted.
2) Offline Storage - Manually mounted and dismounted.

Question 7

Explain what online/offsite storage is.

Answer 7

An offsite backup is a backup process or facility that stores backup data or applications external to the organisation or core IT environment. It is similar to the standard backup process, but uses a facility or storage media that is not physically located within the organisation’s core infrastructure.

Question 8

What is cloud backup?

Answer 8

Cloud backup is a type of service through which cloud computing resources and infrastructure are used to create, edit, manage and restore data, services or applications, done remotely over the internet.

Question 9

What are two other names for cloud backup?

Answer 9

1) Online backup.
2) Remote backup.