What is data backup ? why is it required? Write about online backup ??

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Explanation:

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Data backup is the practice of copying data from a primary to a secondary location, to protect it in case of a disaster, accident or malicious action. Data is the lifeblood of modern organizations, and losing data can cause massive damage and disrupt business operations.

The purpose of the backup is to create a copy of data that can be recovered in the event of a primary data failure. Primary data failures can be the result of hardware or software failure, data corruption, or a human-caused event, such as a malicious attack (virus or malware), or accidental deletion of data.

An online backup is when your data is copied to an “off-site' or cloud storage solution. Services will consistently and securely store copies of your data to the cloud, so your data is accessible anytime you get online. An online backup is an integral part of a business' disaster recovery plan.

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data backup is a copy of computer data taken and stored elsewhere so that it might be used to restore the original data after a data loss event

Explanation:

ONLINE BACKUP

a remote online managed data service sometimes marketed as cloud backup that provides a space for storage of users data for future reference.

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