1)(i) Describe firewalls and explain how they prevent intrusions.
(ii) Write down and explain, the different generation of antivirus software
2)(i) Describe intrusion detection and various kinds of detection mechanisms, in detail.
3)(i) Describe the kinds of Host based intrusion detection. Write down any two IDS software that are available.
(ii) Write down the positive and negative effects of firewall.
4)(i) Explain packet filtering router in detail.
5) Explain the familiar kinds of firewall configurations.
6) What are the two sub layers in DLC?
7) What do you mean by EY-NMPA?
8) What do you understand by Polling?
9) What are the four types of handover available in GSM?
10) What do you understand by TETRA? Explain in detail.
11) Write down the categories of Mobile services?
12) Write down the services that are provided by supplementary services?