What does DNS mean?

There is a third method, called … scanning.

By now you are aware, in a general way, of the dangers of the Internet, and you have ........a few basic rules for protection on the Internet.

Another new type of virus has been gaining popularity in the past few years, and that is the “… virus” or, put simply, a hoax. Rather than actually writing a virus, a hacker sends an email to every address he has. The email claims to be from some well-known antivirus center and warns of a new virus that is circulating. The email instructs people to delete some file from their computer to get rid of the virus. The file, however, is not really a virus but part of a computer’s system.

What port does POP3 use?

This virus is very interesting for multiple reasons. First, it specifically targets Macintosh computers.. What is this?

Rombertik uses the … to read user credentials to websites. It is most often sent as an attachment to an email. Perhaps even worse, in some situations it will either … the master boot record on the hard drive, making the machine unbootable, or begin encrypting files in the user’s home directory.

A … hacker is normally a law-abiding citizen, but in some cases will venture into illegal activities

Of course, just one machine in your classroom or lab that is simply pinging on your web server is not going to ......... affect the web server

If you send a packet (a unit of data transmission) from one computer to another, a copy of that packet is actually sent out from every port on the …

What kind of cable has low-speed analog and uses for telephone,doorbell?