1. LO2 Understand the key components used in networking

2. Software for Networking

3. Objectives By the end of this session you should be able to:
Network OS
Mac OS
Linux
Windows
Virus Checker
Firewalls
Application Software
Security

4. Network Operating Systems: Mac OS or OS X
GUI–based operating systems, developed by Apple Inc. for Macintosh computers
Based on UNIX
Supports pre-emptive multitasking and memory protection
Second most active client operating system
Mac OS X 10.0 released in 2001
Version 10.11: "El Capitan“ announced June 8, 2015

5. Linux Linux is a free and open-source operating system for PCs
The user interface, or “shell”, is either a command-line interface (CLI), a graphical user interface (GUI)
It is a modular, Unix-like OS
Linux distributions are common as server operating systems

6. Linux Various “flavours” SUSE, Fedora, Red Hat, Ubuntu
Linux distributions are also popular in the netbook market
Android built on Linux kernel

7. Microsoft Windows

8. Virus Checker

9. Firewalls

10. Security

11. Application Software

12. Anti-virus and other protective software
Protecting the network against these attacks, which are usually carried out by determined and very clever ‘cyber criminals’, starts with the network manager. The designers and installers have taken great care (one hopes) to provide protection tools, but if they are not used properly, or at all, disaster will happen eventually.