_________is the process of improving the amount of traffic to a website by improving the ranking of the site in search engine results pages (SERPs).?

Turning off unneeded services, closing open ports, removing unnecessary programs, and patching vulnerabilities is known as hardening the system

Indicate whether the statement is true or false.

The space between each letter can be changed using _____.

A. spacing B. kerning C. font size D. intervaling