Answer:
c. $_SERVER
Explanation:
$_SERVER is an array in PHP containing information about headers, paths, and script locations.
Example usage:
echo $_SERVER['HTTP_HOST'];
This will print information about HTTP_HOST header.
echo $_SERVER['DOCUMENT_ROOT'];
This provides information about document root path.
echo $_SERVER['SCRIPT_FILENAME'];
This provides information about the currently executing script.
Restrictive policy is a kind of policy calls for a firewall to contradict all traffic by default. The first rule denies all traffic on any service and using any port. To permit a specific type of traffic, a new rule must be placed ahead of the deny all rule. A firewall should enforce the overall policy recognized by the network administrator. Enforcement is controlled mainly over setting up packet filtering rules which is a rule base comprises a set of these rules.
They are called Aglets and they are used to help you put your shoelaces through the eyelids of the shoe.
<span>All of this high-tech fakery happens with the help of backdrops of brightly colored fabric or paint, and a process called "chroma key," also referred to as "green screen" due to the backdrops' color, which is typically a vivid green. ... Chroma keying isn't just for backgrounds; it works with objects, too.</span>
Well, some countries think of the Internet like as if it was a weapon. The Internet to them does not seem like what the Internet is to us. Internet features like the Dark Web or Deep web has given them enough reasons on why they should be prohibiting it.