GNVQ Advanced IT - Unit 4 Lab 3

For this element you will need to show competence in a number of areas.  These will be practical tasks which you will be observed on as you carry them out.  Networks has a range of terms that you need to familiarise your self with.  Below are a number that you should ensure that you understand, they are all in the glossaries on this site.

You need to work on this in your self study time by carrying out research into this area and not just rely upon classroom input.   (log your activities in your communications log)

To assist you in this area, links and information have been provided on this site to -  general glossary, internet general glossary,  computer terms, networking, data transmission facts, search engines.

Tasks

• Using the Net and other sources you should ensure that you are familiar with the following network terminology.

 

 
 
 

Types of network:  LAN - MAN - WAN - PSTN - PSDN - PWAN - ISDN - INTERNET - INTRANETS giving brief examples of services provided

Network architecture: PEER-PEER - CLIENT SERVER

Network topologies: RING - STAR - BUS - MESH briefly indicating the benefits  and weaknesses of each

Network Data Flow Control: TOKEN RING - CSMA/CD - CSMA/CA - POLLING-TDM-FDM

Hardware: MULTIPLEXER - AUXILIARY STORAGE - GATEWAY - BRIDGE - ROUTER - REPEATER - HUB/CONCENTRATOR - MODEM

Components which form a network: WORKSTATION - CONNECTORS - MEDIA (copper - fibre - microwave - sattelite - radio/TV - cable)

System security:  Network management Logical controls PASSWORDS - USER RIGHTS (brief examples, you will be setting up a new user and  setting user rights in a practical session  for 4.) - SECURITY LEVELS; forced recognition OFFICIAL SECRETS ACT - NON-DISCLOSURE CLAUSE; legislation DATA PROTECTION ACT - EU DIRECTIVES;  physical controls for BUILDING ACCESS - ROOM ACCESS - COMPUTER; organisational dependance CATASTROPHY PROCEDURES.