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1.2 Differentiate between ‘client computers’ and ‘peer computers’ from network services perspective.
2021-12-22T10:38:19+00:00
Networks
Unit Reference Number
Unit Title
Networks
Unit Level
Number of Credits
Total Qualification Time (TQT)
Guided Learning Hours (GLH)
Mandatory / Optional
Mandatory
Sector Subject Area (SSA)
14.1 Foundations for learning and life
Unit Grading Structure
Pass / Fail
Unit Aims
The aim of this unit is to enable learners to understand the importance of networks to computer systems and their essential use in a variety of application. Learners will also gain knowledge about network technologies and the delivery of a wide range of networked services.
Learning Outcomes, Assessment Criteria and Indicative Content
Learning Outcomes – The learner will:
Assessment Criteria – The learner can:
Indicative contents
1. Understand networking principles.
1.1 Explain a computer network.
1.2 Differentiate between ‘client computers’ and ‘peer computers’ from network services perspective.
1.3 Describe local area network (LAN) and wide area network (WAN).
1.4 Describe the benefits and constraints of different network topologies.
sharing hardware resources
sharing software resources
sharing common data
potential intranet provision
e-mail communication between users
centralised management services
‘Client computers’ and ‘Peer computers’
LAN and WAN including VLAN, WLAN and VPN
Linear Bus Topology
Ring Topology
Star Topology
Mesh Topology
Tree Topology
Hybrid Topology
2. Understand how network hardware and software components are connected.
2.1 Explain how hardware, software and addressing combine to support network communications.
2.2 Describe potential issues with computer networks.
2.3 Explain the steps required to set up and test a simple local area network.
Hardware: network cards eg ethernet, wireless; workstations; servers eg file, printer, web; routers; switches; wireless devices
Communication: network cabling eg fibre optics, UTP, STP, coaxial; connectors; addressing; WAN connectivity eg ADSL, ISDN, broadband
Software: application-based eg internet browsers, firewalls, email; operating system; utility
Issues: speed eg bandwidth, contention; costs; staff skills; down time; security issues eg unauthorised access, loss of data, malware, virus protection; backup eg recovery; hacking; firewalls
Setup:
Preparation: components eg cabling, devices, network interface cards, software
Set up: hardware; software; security; health and safety awareness
Simple LAN: eg peer to peer, client-server
Faults: commonly occurring eg address conflict, network card failure, faulty cable; loss of service eg print, file, email
Testing: functionality; connectivity; addressing
Security: eg firewall configuration, file and folder permissions, access control, user rights
Use: communication; transfer files; others eg allocate user rights, allocate file space
Troubleshoot: problem solving eg connectivity, IP addresses
3. Understand the usage and security concerns related to networking.
3.1 Evaluate the features and services provided by a local and a wide area network.
3.2 Identify security issues related to networking and how those security issues can be minimised.
3.3 Explain steps to configure security on a local area network.
Features: topologies eg star, bus, circle; types eg peer-to-peer, client server; data rates; addressing eg IP, MAC Services: communication eg email, conferencing; file transfer; login; security; software deployment
Security: eg firewall configuration, file and folder permissions, access control, user rights
Wireless encryption methods: WPA, WPA2, WEP, Dynamic Host Configuration Protocol (DHCP), Remote Access
Assessment
To achieve a ‘pass’ for this unit, learners must provide evidence to demonstrate that they have fulfilled all the learning outcomes and meet the standards specified by all assessment criteria.
Learning Outcomes to be met
Assessment criteria to be covered
Type of assessment
Word count (approx. length)
All 1 to 3
All AC under LO 1 to 3
Coursework
3000 words
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