Explanation:
Kendall should report the email as scam and delete email instead of forwarding it. She should also run her virus protection software as these kind of emails on the Internet are mostly Fraud and can contain virus so the user should avoid them.
Front-end the part with which the user interacts.
usually people who write this are called layout designers what languages are used (Html, css, js)
Beck-end The northern part is the structure of the site due to which it works, this includes the DBMS, logic, etc. which languages will be used(python, php, java)
People who can do both are called: full stack developr