CSCU - Certified Secure Computer User Data Backup and Recovery Questions and Answers

Question 1

A company performs a full backup every Sunday. On Wednesday, the system crashes. Using a differential backup from Tuesday, how many backup sets are required to restore the data?

Accepted Answer

The Sunday full backup and the Tuesday differential backup.

Answer

The Sunday full backup and the Monday differential backup.

Answer

Only the Tuesday differential backup.

Answer

The Sunday full backup, plus the Monday and Tuesday backups.

Question 2

Which data backup strategy involves copying only the data that has changed since the last backup of any type, resulting in the smallest backup sizes and fastest backup times?

Accepted Answer

Incremental backup

Answer

Full backup

Answer

Differential backup

Answer

Cloud-to-cloud backup

Question 3

A user follows the '3-2-1 rule' for their critical photos. They have the original files on their laptop, a copy on an external hard drive stored in their desk, and another copy uploaded to a cloud storage service. Which part of the rule does the cloud storage service primarily fulfill?

Accepted Answer

Maintaining one off-site copy

Answer

Keeping three copies of the data

Answer

Storing copies on two different media

Answer

Creating a RAID array

Question 4

A business determines that it cannot afford to lose more than 4 hours of transaction data in the event of a server failure. This 4-hour tolerance for data loss is known as the:

Accepted Answer

Recovery Point Objective (RPO)

Answer

Recovery Time Objective (RTO)

Answer

Mean Time To Recovery (MTTR)

Answer

Service Level Agreement (SLA)

Question 5

What is the most critical reason for regularly testing your data backups?

Accepted Answer

To verify that the data can be successfully restored.

Answer

To delete old, unnecessary backup files.

Answer

To check the speed of the internet connection.

Answer

To ensure the backup software license is still valid.

Question 6

A user is deciding between a local backup on an external hard drive and a cloud backup service. What is a primary advantage of using a cloud backup service over a local backup?

Accepted Answer

It provides inherent protection against local disasters like fire or flood.

Answer

Faster recovery speeds for very large datasets.

Answer

It does not require an internet connection to perform backups.

Answer

The user has complete physical control over the storage hardware.

A company performs a full backup every Sunday.On Wednesday, the system crashes.Using a differential backup from Tuesday, how many backup sets are required to restore the data?

A company performs a full backup every Sunday.
On Wednesday, the system crashes.
Using a differential backup from Tuesday, how many backup sets are required to restore the data?