TEACHER POWERPOINTS: TOPIC 4 NETWORKS 1CP2 (FROM 2020)

These adaptable PowerPoint Presentations (121 Slides) cover all aspects of the specification in relation to Edexcel GCSE Computer Science 1CP2 (from 2020) topic 4.
It includes:
Teaching PowerPoints (including checkpoint questions and answers)
Student PowerPoint (Including checkpoint questions, but omits the answers)

Content Covered:
· understand why computers are connected in a network
· understand different types of networks (LAN, WAN)
· understand how the internet is structured (IP addressing, routers)
· understand how the characteristics of wired and wireless connectivity impact on performance (speed, range, throughput, bandwidth)
· understand that network speeds are measured in bits per second (kilobit, megabit, gigabit) and be able to construct expressions involving file size, transmission rate and time
· understand the role of and need for protocols (Ethernet, Wi-Fi, TCP/IP, HTTP, HTTPS, FTP and email (POP3, SMTP, IMAP))
· understand how the 4-layer (application, transport, network, data link) TCP/IP model handles data transmission over a network
· understand characteristics of network topologies (bus, star, mesh)
· understand the importance of network security, ways of identifying network vulnerabilities (penetration testing, ethical hacking) and methods of protecting networks (access control, physical security, firewalls)