FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -A password is a string of characters used to verify the identity of a user during the authentication process. Passwords are typically used in tandem with a username; they are designed to be known only to the user and allow that user to gain access to a device, application or website.

Detailed explanation-2: -The correct answer is Data Security.

Detailed explanation-3: -A firewall is a system designed to prevent unauthorized access to or from a private network. You can implement a firewall in either hardware or software form, or in a combination of both. Firewalls prevent unauthorized internet users from accessing private networks connected to the internet, especially intranets.

Detailed explanation-4: -Data security refers to the process of protecting data from unauthorized access and data corruption throughout its lifecycle. Data security includes data encryption, hashing, tokenization, and key management practices that protect data across all applications and platforms.

Detailed explanation-5: -Confidentiality:-Only authorized users can access the data resources and information.