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Level 4 Diploma in Cyber Security

Networking hardware: routers, switches and gateways; cabling and speeds

CYB405 · Computer Networks — Week 5 of 16

CourseCYB405
Week5 of 16
SemesterII
TutorOnline in the course chat

This week’s topics

Networking hardware: routers, switches and gateways; cabling and speeds

  1. Networking hardware: routers, switches and gateways
  2. Fibre and copper infrastructure and transmission speeds

What you will be able to do

  • 2.2 Explain the role of network hardware components such as routers and switches.

Activity

Start with this week’s 4 videos, then: Seminar, guided reading and a short written task: explain the role of network hardware components such as routers and switches.

Study materials

Videos

  • Network hardware and MAC addresses · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
  • Wired networks · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
  • Network performance · Oak National Academy, Key Stage 4 (GCSE level) · for registered students
  • Calculating download time given file size and transfer speed part 1 · YouTube · Kevin Brucks · 4 min · for registered students

Further resources

  • Workplace Software and Skills, 1.2: Network Hardware · PDF · OpenStax Workplace Software and Skills (2023), 1.2 on routers, switches, wireless devices and servers, pp. 30–31 · for registered students
  • An Introduction to Computer Networks, 4.2.4: Access Points · PDF · Dordal, An Introduction to Computer Networks, release 2.0.11, 4.2.4 on wireless access points, pp. 107–113 · for registered students
  • An Introduction to Computer Networks, 4.4: Fixed Wireless and satellite · PDF · Dordal, An Introduction to Computer Networks, release 2.0.11, 4.4 on broadband access to the WAN (a step up), pp. 128–130 · 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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