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Level 4 Diploma in Cyber Security

Protocols and protocol suites

CYB405 · Computer Networks — Week 2 of 16

CourseCYB405
Week2 of 16
SemesterII
TutorOnline in the course chat

This week’s topics

Protocols and protocol suites

  1. Protocols and protocol suites

What you will be able to do

  • 1.3 Analyse protocols and protocol suites.

Activity

Start with this week’s 2 videos, then: Seminar, guided reading and a short written task: analyse protocols and protocol suites.

Study materials

Videos

  • Protocols · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
  • Network models · Oak National Academy, Key Stage 4 (GCSE level) · for registered students

Further resources

  • Workplace Software and Skills, 1.3: The Internet from Inception to Today · PDF · OpenStax Workplace Software and Skills (2023), 1.3 on how the internet and the web developed and how they work, pp. 32–35 · for registered students
  • Introduction to Computer Science, 11.1: Modern Web Applications Architectures · PDF · OpenStax Introduction to Computer Science (2024), 11.1: browsers, web servers, HTTP and how web applications are built, pp. 560–577 · for registered students
  • Computer Systems: A Programmer's Perspective, 11.1: The Client-Server Model · PDF · Bryant & O'Hallaron, CS:APP 2e manuscript sample, 11.1: clients, servers and transactions, pp. 849–850 · for registered students
  • An Introduction to Computer Networks, 1.12.1: Transport communications patterns · PDF · Dordal, An Introduction to Computer Networks, release 2.0.11, 1.12.1 on client-server and peer-to-peer patterns (a step up), pp. 33–34 · for registered students
  • A survey of peer-to-peer content distribution technologies · Open-access article · Androutsellis-Theotokis & Spinellis (2004), ACM Computing Surveys. Survey of peer-to-peer networks and how they differ from client-server. · for registered students
Materials marked “for registered students” open in the student portal, which is set up as soon as you receive final acceptance.
Course chat

Admitted students ask questions on this week’s page in the student portal: an AI assistant trained on the course answers first, and during the course’s timetabled classes Connect to your tutor brings your tutor into the chat, who may start a call if needed.

Open this week in the portal
Course plan
  • Week 1: Network models: the OSI and TCP/IP models compared
  • Week 2: Protocols and protocol suites
  • Week 3: Protocols at each layer: HTTP, email, DNS, TCP and UDP, Eth…
  • Week 4: The Internet Protocol: IP addresses, subnets, IPv4 and IPv6
  • Week 5: Networking hardware: routers, switches and gateways; cablin…
  • Week 6: Securing network communication: firewalls, encryption and s…
  • Week 7: Wireless and mobile networks: from 2G to 5G, Wi-Fi, RFID an…
  • Midterm: Midterm evaluation
  • Week 9: Network topologies: bus, star, ring and mesh; use cases, re…
  • Week 10: Designing addressing schemes: IP allocation, subnetting, st…
  • Week 11: Network design project: selecting routers, switches, access…
  • Week 12: Applying Computer Networks in practice: case studies
  • Week 13: Assignment workshop: research, planning and referencing
  • Week 14: Assignment workshop: drafting, feedback and improvement
  • Week 15: Review and coursework completion
  • Final: Final assessment and submission
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