A vital part of any website project is the quality assurance stage. Prior to launch, final QA testing ensures that your site is working according to your expectations and that your site users won’t be frustrated with any non-functioning pages.
The answer here is Blind carbon copy (bcc).
The original recipients of the letter are unable to see (blind) who else receives a copy if those parties are on the bcc list.
It's easier to send the files that way because you don't have to attach them individually, and then your friend won't have to download them individually - they can just download the zip package and have all four right at their disposal.
Data encryption is the name of the technology that uses mathematical algorithms to render information unreadable to those lacking the required key.
<h3>What is Data encryption technology?</h3>
This is a technology that helps to secure data by applying a technique known as cryptography. What this basically means is that a secret code (or key) is generated which would provide access to the cryptographically stored information, and failure to provide the correct key makes the data or information unreadable.
You can learn more about how data encryption works here brainly.com/question/9238983
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A row runs horizontally and is identified with numbers.
