The main difference between the functions atof, atoi and atol is:

____________________ is the most basic form of a DoS attack. Large numbers of requests are sent to the server. This results in the slowing down or failure of the network.

Fill in the blank(s) with the appropriate word(s).

The key to hypertext is the use of ____________________, which you activate to move from one topic to another.

Fill in the blank(s) with the appropriate word(s).