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The Internet

AP CSP: BI 6, EU 6.1, EU 6.2, EU 6.3, EU 7.3

Introducing the internet

AP CSP: BI 6, EK 6.1.1A, EK 6.1.1D, EU 6.1, LO 6.1.1
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What is the Internet?
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The ingredients of the Internet
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Wires & WiFi: Physical network connections

AP CSP: BI 6, EK 2.1.1B, EK 2.1.1C, EK 6.2.2I, EK 6.2.2J, EK 6.2.2K, EU 6.2, LO 6.2.2
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How can we physically connect two computers?
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Wires, cables, and WiFi
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Transporting bits over wires
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Practice
Transporting bits over wiresGet 3 of 4 questions to level up!

IP & DNS: Scalable internet addressing

AP CSP: BI 6, EU 6.1, EU 6.2, EU 6.3, LO 6.1.1, LO 6.2.2, LO 6.3.1
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How do computers find each other?
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IP addresses and DNS
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IP addresses
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Domain Name System (DNS)
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Practice
IP addressesGet 3 of 4 questions to level up!
Domain name system (DNS)Get 3 of 4 questions to level up!

TCP/IP: Reliable data transmission

AP CSP: BI 6, EK 6.2.1D, EK 6.2.2A, EK 6.2.2B, EK 6.2.2F, EK 6.2.2G, EU 6.2, LO 6.2.1, LO 6.2.2
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How can computers send data reliably?
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Packets, routers, and reliability
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Internet routing protocol
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Transmission Control Protocol (TCP)
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Practice
Internet routing protocolGet 3 of 4 questions to level up!
Transmission Control Protocol (TCP)Get 3 of 4 questions to level up!

Quiz 1

Level up on the above skills and collect up to 500 Mastery points

TLS: Secure data transport

AP CSP: BI 6, EK 6.2.2H, EK 6.3.1H, EK 6.3.1I, EK 6.3.1J, EK 6.3.1K, EK 6.3.1L, EK 6.3.1M, EU 6.2, EU 6.3, LO 6.2.2, LO 6.3.1
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How can computers send private data?
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Encryption and public keys
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Encryption, decryption, and cracking
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Symmetric encryption techniques
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Public key encryption
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Transport Layer Security (TLS)
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Practice
Symmetric encryptionGet 3 of 4 questions to level up!
Public key encryptionGet 3 of 4 questions to level up!
Transport Layer Security (TLS)Get 3 of 4 questions to level up!

HTTP & HTML: Global document & data sharing

AP CSP: BI 6, EK 6.2.2H, EK 6.3.1M, EK 7.3.1G, EK 7.3.1H, EU 6.2, EU 6.3, EU 7.3, LO 6.2.2, LO 6.3.1, LO 7.3.1
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What is the world wide web?
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HTTP and HTML
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Hypertext Transfer Protocol (HTTP)
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HTTP Secure (HTTPS)
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Privacy on the web
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Practice
Hypertext Transfer Protocol (HTTP)Get 3 of 4 questions to level up!
HTTP Secure (HTTPS)Get 3 of 4 questions to level up!
Privacy on the webGet 3 of 4 questions to level up!

Quiz 2

Level up on the above skills and collect up to 600 Mastery points

Cybercrime and prevention

AP CSP: BI 6, EK 6.3.1A, EK 6.3.1C, EK 6.3.1D, EK 6.3.1E, EK 6.3.1F, EK 6.3.1G, EU 6.3, LO 6.3.1
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How does cyber crime happen?
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Cybersecurity and crime
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Computer malware and attacks
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Phishing and password attacks
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Practice
Computer malware and attacksGet 3 of 4 questions to level up!
Phishing and password attacksGet 3 of 4 questions to level up!
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Unit test

Level up on all the skills in this unit and collect up to 1300 Mastery points!

About this unit

This unit covers how the internet works. Learn about the physical layer (like WiFi and Ethernet), the protocols (TCP/IP, DNS, HTTP, TLS, HTTPS), encryption techniques, cybersecurity, and privacy. With more than 150 questions, you can practice what you've learned and study for the AP Computer Science Principles exam.
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