What does cio stand for ?

30 Insert the right word to the gap. There are many benefits from an open system like the internet but one of the risks is that we are often exposed to ______ who break into computer systems just for fun, to steal information, or to spread viruses.

1. 
   #hackers
   
2. 
   intruders
   
3. 
   teachers
   
4. 
   students
   

31.Insert the right word to the gap. Mozilla Firefox displays a lock when the website is secure and allows you to disable or delete _______ – small files placed on your hard driver by web servers so that they can recognize your PC when you return to their site.

1. 
   #cookies
   
2. 
   Web
   
3. 
   a process
   
4. 
   a lock
   

32.Insert the right word to the gap. If you use online banking services, make sure the use _______ - files that are like digital identification cards and that identify users and web servers.

1. 
   #digital certificate
   
2. 
   web servers
   
3. 
   a protocol
   
4. 
   a browser
   

33.Insert the right word to the gap. A system disigned to send email privately is Pretty Good Privacy, a _______ programm written by Phil Zimmerman.

1. 
   #freeware
   
2. 
   Secure Sockets Layer
   
3. 
   encryption
   
4. 
   the Net
   

34.Insert the right word to the gap. The common methods of protections are _______ for access control, firewalls, and enscrytion and descryption systems.

1. 
   #passwords
   
2. 
   encrypted data
   
3. 
   a virus
   
4. 
   intruders
   

35. Insert the right word to the gap. _______ (malicious software) are programs designed to infiltrate or damage your computer, for example viruses, worms, Trojans and spyware.

1. 
   #Malware
   
2. 
   A secret code
   
3. 
   spyware
   
4. 
   freeware