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Unit 43 Networking Infrastructure

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· Aim

To provide learners with an understanding of networking infrastructures, the directory based system that supports the addressing and resource management of any large scale networked system.

· Unit abstract

Network infrastructure systems such as Active Directory (from Microsoft) or eDirectory (from Novell) amongst many others, are systems used to manage resources, naming of devices, allocation of rights, privileges and security polices.

Each can be used to deploy software as well as control the behaviour of the network infrastructure. Learners taking this unit will explore the principles supporting any network infrastructure system, design a solution for a given networked environment as well as implement and test the solution.

This unit has links to many vendor qualifications and can be used to encourage the study and certification of these by learners. Additionally this unit links to all networking and systems support units and offers learners the opportunity to build a complex network system.

· Learning outcomes

On successful completion of this unit a learner will:
  1. Understand the principles of network infrastructure management
  2. Be able to design complex network infrastructure systems
  3. Be able to implement complex network infrastructure systems
  4. Be able to test complex network infrastructure systems.


Unit content

1         Understand the principles of network infrastructure management

Name resolution: services eg Domain Name System (DNS), eDirectory, Active Directory; requirements eg addressing, resource management, user management, services management, security of resources, access control

Technology: resources eg servers supporting networking infrastructure management, routers, printers, switches, firewalls, clients, wireless access, cabled access, remote workstations, 3G based remote access

Security: resources eg rights management, resource availability, user management, access times, group allocation, timed access, encryption, authentication, Virtual Private Network (VPN), tunneling, remote access, RADIUS (Remote Access Dial In Support), TACACS (Terminal Access Controller Access-Control System), IPSec, certificate authorities, PKI (Public Key Infrastructure)

2         Be able to design complex network infrastructure systems

Addressing: naming methodology, delivery of addresses, identification of devices and resources

Rights: designing user and group rights, access rights to resources, access to files, access to printers, access to services

Security: creation of remote access services, deployment of VPN access, time based rules, trust management, access control and login, logging, system activity audit trail

Deployment: scalable, use of technology, adaptable, change management, commercial requirements, supportive of environment

3         Be able to implement complex network infrastructure systems

Addressing: application of naming methodology, delivery of addresses

Rights: issue of rights to users, apply rights to groups, apply access rights to resources, access to files, access to printers, access to external services

Security management: remote access services, deployment of VPN access rules, trust management, access control and login, logging, system activity audit trail

Interaction: with external DNS, with other directory services, with existing directory services infrastructure

4         Be able to test complex network infrastructure systems

System assurance: security of system, access, availability, visibility of all resources User assurance: valid access issued, group access, inheritance of rights Documentation: test plan; test results; analyse results


Learning outcomes and assessment criteria

Learning outcomes   On successful completion of this unit a learner will: Assessment criteria for pass   The learner can:
LO1 Understand the principles of network infrastructure management evaluate current name resolution servicesdiscuss the technologies that support network infrastructure managementdiscuss security resources available in network infrastructure management
LO2 Be able to design complex network infrastructure systems design a network infrastructure for a given networked environmentevaluate addressing and deployment solutions for a given networked environmentevaluate rights and security requirements for a given networked environment
LO3 Be able to implement complex network infrastructure systems 3.1 implement a network infrastructure based on a prepared design
LO4 Be able to test complex network infrastructure systems critically review and test an implemented systemevaluate system and user assurance of the implemented system.

Guidance

Links to National Occupational Standards, other BTEC units, other BTEC qualifications and other relevant units and qualifications

The learning outcomes associated with this unit are closely linked with:

Level 3 Level 4 Level 5
Unit 5: Managing Networks Unit 24: Networking Technologies Unit 44: Local Area Networking Technologies
Unit 9: Computer Networks Unit 25: Routing Concepts Unit 45: Wide Area Networking Technologies
Unit 10: Communication Technologies Unit 26: Design a Small or Home Office Network Unit 46: Network Security
Unit 32: Networked Systems Security Unit 27: Network Operating Systems  

This unit has links to the Level 4 and Level 5 National Occupational Standards for IT and Telecoms Professionals, particularly the areas of competence of:

  • IT/Technology Infrastructure Design and Planning
    • IT/Technology Service Operations and Event Management
    • IT/Technology Management and Support
    • Change and Release Management.