Which of the following web sites is safe?
When does a recipient receive the messages sent to him/her through an Instant messaging application (IM)?
To communicate through an Instant Messaging application both the sender and the recipient should…
Which of the following are Instant Messaging applications?
What’s the name of the applications allowing us to communicate in real time?
What’s the name of telephony through the Internet?
We can talk to our friends free of charge, if we use a Voice over IP application.
Can we call mobile phones using a Voice over IP application?
Which of the following describes best the meaning of hyperlink?
______ refers to ______ data in order to prevent unauthorized access to them.
What are the dangers of using the Internet?
What should we do to safely connect to a Network?
What are the dangers of Internet activities?
If one of our contacts is on line, we may be informed about it through…
When may our computer be infected by a virus?
Which of the following is used to display frequently renewable publications like news or podcast files?
When we intend to download some software from the Internet, we must be sure it comes from a trustworthy source. Which of the following tools ensures it?
If we want to protect our network from outside threats which of the following tools should we use?
Which of the following is an online virtual community?
What is a worldwide collection of computer networks which are accessible by the public?
If a company or an organization wishes to connect to the Internet, which of the following should it use?
Which of the following applications are web browsers?
Which of the following icons must be used for a safe Internet connection?
Which of the following assists to a computer protection from threats?
Choose two parental controls which can be applied to a computer used by a child.
Which of the following should we use to have a voice communication through the Internet?
What does somebody do by sending a spoofed email or displaying popup windows during navigation on the Internet in order to extract personal and financial information from unsuspecting victims?
Which of the following is a universal network containing many computer networks?
What is the difference between the Internet and the World Wide Web?
What is a web browser? What is it used for?
How is the web cache memory related to a web browser?
What should we pay attention to when we use the Internet, so as to avoid our computer being infected by a virus?
Which of the following actions may allow a virus infect our computer?
A protected web site…
When is our computer likely to be infected by a virus?
Which of the following tools does a web browser use to verify web pages originality? It is the same tool that helps communicating safely when navigating on the Internet.
Why do we use a firewall for?
What is the Internet?
Commercial organizations usually use the suffix
At the website https://www.diploma.edu.gr
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