My workmate has completed making her annual report and saved it ready for printing when all of a sudden power goes off and yet there are no ups. The next day she switches on the computer but it cannot boot. She is suspecting that the computer has crashed. Has it really crashed? Or it is something else. How can you recover data from a non-booting operating system? Her report is needed asap. Describe all the technical help you can give.

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Network Security

The word "network security" refers to a wide range of technology, devices, and processes. In its most basic form, it is a combination of rules and configurations that use both hardware and software technologies to safeguard the confidentiality, integrity, and accessibility of computer networks and data. Every company, regardless of sector, size or infrastructure, needs network security solutions to protect itself from the ever-increasing landscape of cyber threats that exist today.