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Takes less time and space but makes the job of restoring files difficultĭifferential Data Backup It copies only the files changed or created that have been changed from the last incremental or normal backup Takes less time and space and restores data quicklyīack Up the Data Using Windows Backup Windows Backup allows for creating a duplicate copy of the files and folder on the hard disk and then archiving them to an external storage device
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The complete set of data is copied to the chosen place or backup media It copies only the files changed or created after the last backup It copies all the files, including system files, application files, user files, and operating system Online Backup Service Providers Abacus Online Backups Maintain an online backup only for the important files in case the user cannot afford much online backup You can securely restore any lost data by using an Internet connection and a Web browser interface It is an expensive procedure but prevents loss of data in case of disasters due to theft, file corruption, etc.
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It eliminates the risk of data loss due to natural disaster Online Data Backup Online backup or remote backup is the method of offsite data storage where contents of the hard drive are regularly backed up to another computer on the Internet (remote server) Personal photos, music, and videos Any other file that is critical Software downloaded (purchased) from the Internet Contact Information (email address book)īack up only the modified files on a daily basis Important office documentsīack up on a predetermined day (for example, every Monday) using the backup software The operating system files purchased with the computer, CDs, software, etc. How Often? It is always recommended that the user files are backed up regularlyįirst decide what data present on the system is critical and needs a backup such as:īackup whenever there are changes to important files, so that the latest copy would be available even if the original one is lost/damaged What Files to Backup and How Often? What Files to Backup? Hard disk failure, CPU failure, storage device failure, power failureĪttack of malicious programs such as virus, worms, and Trojans Operating system crash and data corruption It is easy and cost effective to back up data in comparison to recovering data after a disaster or system crashĭata backup should be the top priority in computer maintenance along with virus protection because it ensures that the data is secure in case of disasterĪccidental deletion or overwriting of a file or program The main purpose of backups is to restore the critical data or files when they are accidentally deleted or corrupted ĭata Backup Backup is the process of making duplicate copies of critical data on backup media such as CD/DVD, USB, external hard disks, etc. The survey of 2,000 organizations in North America and Europe also found that IT outages are frequent and lengthy-substantially damaging companies’ reputations, staff morale and customer loyalty. Despite this, 56% of organizations in North America and 30% in Europe don’t have a formal and comprehensive disaster recovery policy. Data Backup and Disaster Recovery Module 5Ĭopyright © by EC-Council All Rights Reserved. Reproduction is Strictly Prohibited.ĬA Technologies Survey Reveals IT Systems Failures Cost Businesses 127 Million Lost Person‐ Hours ISLANDIA, N.Y. ‐ Businesses collectively lose more than 127 million person‐hours annually-or an average of 545 person‐hours per company-in employee productivity due to IT downtime, according to a survey sponsored by CA Technologies (NASDAQ: CA). This loss is equivalent to 63,500 people being unable to work for an entire year.