Answer:
The "a" tag or <a></a> and its "h<u>r</u>ef" attribute <a href="#"></a>
Explanation:
In html there is only one way to create a link to an external source or a bookmark. The tag is created using the element <a>.
The attribute "href" is then added to describe the link of where it is to point to.
Example:
<a href="google.com">Go to Google</a>
While the text in between the tag describes what the link is about.
Answer:
4. A Denial of Service attack (DDOS attack).
Explanation:
A DDOS attack is a malicious attempt to disrupt the normal traffic to a service.
In essence, it sends an enormous amount of requests to the service, until the server is overwhelmed because it can't handle that much traffic, and collapses in an overflow.
Thus, regular users are not able to access their services.
Usually, attackers use a botnet, a network of "zombie" computers that have been previously infected with a malware that allows the attacker to remotely control them, then the botnet starts to send a flood of traffic from different locations, and make the attacker difficult to detect or track.
A software-based <u>Firewall</u> is dedicated to examining and blocking internet traffic.
