MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SYSTEM SOFTWARE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Choose the correct THREE reasons why we need to make Backup.
A
files can be purposely overwritten or deleted
B
hardware failures-disk drive crashes
C
devices can be stolen (with data and files stored on them)
D
disasters-fires, earthquakes and floods can destroy hardware
Explanation: 

Detailed explanation-1: -Disasters can be caused by natural, man-made and technological hazards, as well as various factors that influence the exposure and vulnerability of a community.

Detailed explanation-2: -These disasters can be: Geophysical (e.g. Earthquakes, Landslides, Tsunamis and Volcanic Activity) Hydrological (e.g. Avalanches and Floods) Climatological (e.g. Extreme Temperatures, Drought and Wildfires)

Detailed explanation-3: -You might need to restore backup data if you encounter an accidental deletion, database corruption, or problem with a software upgrade. Disaster recovery, on the other hand, refers to the plan and processes for quickly reestablishing access to applications, data, and IT resources after an outage.

Detailed explanation-4: -The Importance of Backups Making backups of collected data is critically important in data management. Backups protect against human errors, hardware failure, virus attacks, power failure, and natural disasters. Backups can help save time and money if these failures occur.

There is 1 question to complete.