What are the data units at different layers of the TCP / IP protocol suite
What are the different types of network security?
what is active directory partication ?
What is utm firewall?
What is a ddos attack?
What is an arp and how does it work?
What are manageable and non manageable switches?
What is risk in IT-Security?
What is dss?
How does network security work?
What is a Password?
What is a Smart Card or Chip Card or Integrated Circuit Card (ICC)?
explain how do we do authentication with message digest(md5)? (Usually md is used for finding tampering of data)