Khan Academy
Khan Academy: Domain Name System (Dns)
Check your understanding of the DNS (domain name system) and DNS spoofing, in this set of free practice questions designed for AP Computer Science Principles students.
Khan Academy
Khan Academy: Ip Addresses
Check your understanding of IP addresses (v4 and v6), in this set of free practice questions designed for AP Computer Science Principles students.
Khan Academy
Khan Academy: Hypertext Transfer Protocol (Http)
Check your understanding of HTTP requests and responses, in this set of practice questions designed for AP Computer Science Principles students.
Khan Academy
Khan Academy: Http Secure (Https)
Check your understanding of HTTPS (secure web browsing), in this set of practice questions designed for AP Computer Science Principles students.
Khan Academy
Khan Academy: Computer Networks
Learn about the internet, the world's largest computer network.
Khan Academy
Khan Academy: Internet Routing Protocol
Learn how computers split messages into packets and those packets hop from router to router on the way to their destination.
Khan Academy
Khan Academy: Physical Network Connections
Learn that the internet is a network of computers connected to each other. But what does each physical connection look like? It depends on the needs of the connection and the size of the network.
Khan Academy
Khan Academy: Computer Science: The Internet Protocol Suite
Learn about the many protocols that power the Internet, and how each protocol operates at a different layer, building functionality on top of the layer below it.
Khan Academy
Khan Academy: Bit Rate, Bandwidth, and Latency
Explore how binary information is sent and how quickly they can be sent.
Khan Academy
Khan Academy: The Internet Protocol Suite Practice
Practice problems with the internet protocol suite of networks.
Khan Academy
Khan Academy: Scalable Systems
Practice problems to help understand scalable network systems.
Khan Academy
Khan Academy: Phishing Attacks
Find out what phishing attacks are and how to avoid them.
Khan Academy
Khan Academy: Scalable Systems
Learn about the features that increase the scalability of the Internet.
Khan Academy
Khan Academy: Rogue Access Points
Learn about rogue access points to understand wireless internet access.