LO2 Understand the key components used in networking

Software for Networking

Objectives

• By the end of this session you should be able to:– Network OS

• Mac OS• Linux• Windows

– Virus Checker– Firewalls– Application Software– Security

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

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 distributionsare common as server operating systems

Linux

• Various “flavours” SUSE, Fedora, Red Hat, Ubuntu

• Linux distributions are also popular in the netbook market

• Android built on Linux kernel

Microsoft Windows

Virus Checker

Firewalls

Security

Application Software

Anti-virus and other protective softwareProtecting 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.