is a strategy of using multiple types of technology that prevent the failure of one system from compromising the security of information.

Redundancy is a strategy of using multiple types of technology that prevent the failure of one system from compromising the security of information.

Explanation:

Redundancy means having extra or duplicate resources available to support the main system. It is a backup or reserve system that can step in if the primary system fails. The reserve resources are redundant most of the time as they are not being used if everything is working properly.

browsing like internet search? don't look at anything stupid. or set up restrictions on ur device's search engine. and if something suspicious comes up don't be dumb and click on it. i hope that's what ur question meant.

the today function returns a valid value without any arguments.

the today function returns the current date based on the computer's date setting and formatted as a date. today takes no parameters, but requires that you use empty parentheses