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Prescription: NM600 (NM200)Lan Administration

Aim of Module	To provide students with knowledge of the features and issues associated with providing and maintaining local area networks.
Credits	7
Student Learning hours	70
Content Revised	2000
Prescription Expiry Date	Nov 2005
Note	It is suggested that this module be taught in conjunction with NM61n(NM21n), which is the means for teaching the practical implementation of LANs.

Level and Assessment Schedule
Topics	Highest Skill Level	Suggested Assessment Percentage
1 Local Area Networks	C	50
2 LAN Administration	C	50

		100

LEARNING OUTCOMES The Student Will

C	1	Describe representative configurations of LANs, the facilities offered and the resources used to provide them.



C	2	Describe LAN administration requirements

CONTENT

1	Local Area Networks


>	LAN features described will include:

		- topologies

		- media

		- protocols

		- multi-user applications; e.g. electronic mail

		- interconnection devices; e.g. gateways

		- resource sharing; e.g. files and printers



>	LAN performance factors discussed will include:

		- Client PC hardware; e.g. CPU and RAM

		- Network Interface Card (NIC); e.g. priority and queuing at host and nodes

		- Media; e.g. bandwidth and transmission quality

		- Server; e.g. harddisk capacity and processing time

		- Protocol; e.g. message size and overheads

2	LAN Administration


>	LAN security issues described will include:

		- Levels of security; e.g. unique username and password

		- Archiving; i.e. backups

		- Physical measures; e.g. securing hardware on site

		- Firewalls; e.g. proxy server

		- Recovery procedures; e.g. from a server crash

		- Viruses; e.g. detection, prevention, eradication



>	LAN support issues described will include:

		- Vendor; e.g. guarantees

		- In-house; e.g. helpdesk

		- Third party

		- Diagnostic software

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