1.3 Analyse the functionality of each layer in an OSI network model

Unit 4IT05: Logical IT Networking

Unit code: H/617/6696 RQF

Level: 4

Unit Aims

This unit aims to provide learners with knowledge of logical networking. It covers Transmission Control Protocol (TCP) / Internet Protocol (IP), Local Area Networks (LAN) and Wide Area Networking (WAN), including IP address and subnetting.

Learning Outcomes and Assessment Criteria

Learning Outcomes: To achieve this unit, the learner must be able to:

Assessment Criteria: Assessment of these outcomes demonstrates the learner can:

1. Understand logical networking

1.1 Analyse the nature and features of a logical network

1.2 Analyse the differences between network architectures

1.3 Analyse the functionality of each layer in an OSI network model

1.4 Define correctly an IP address and subnet masks

2. Understand the components and interfaces between different logical networking attributes

2.1 Analyse the rules of network protocols and communications

2.2 Analyse the differences within the physical layer

2.3 Analyse the requirements of WAN and LAN topologies and a data link protocol

2.4 Analyse the differences within the network layer and transport layer

2.5 Establish network design considerations

3. Understand the security requirements of a logical network

3.1 Analyse the security requirements of a network

3.2 Identify the threats to a network

3.3 Develop security protocols for a logical network that respond to the threats identified

Indicative Content

  • Exploring the network
  • Network protocols and communications
  • Network access
  • Network layer
  • Transport layer
  • IP addressing
  • Subnetting IP network
  • Network design and consideration
  • Device factors
  • Designing network
  • Scaling network
  • Security threat
  • Physical threat
  • Primary vulnerabilities
  • Network attacks
  • Mitigating network attacks
  • SSH configuration
  • Backup and restore configuration

Recommended Text

Lowe D (2018), Networking All-in-One for Dummies 7th Edition, John Wiley & Sons, New Jersey Cisco e-Learning portal

Petzold C (2000), The Hidden Language of Computer Hardware, Microsoft Press, Washington

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