AP CSP Day 8 - Internet Protocols

Course Information

• Course: AP Computer Science Principles
• Unit: Big Idea 2 - Computer Systems and Networks (CSN)
• Lesson: Day 8 (50 minutes)
• Learning Objective: CSN-1.H - Understand internet protocols

Learning Objectives

Primary Goals

Students will be able to:

1. Define what internet protocols are
2. Identify common internet protocols
3. Understand how protocols enable communication
4. Analyze real-world scenarios involving internet protocols

AP Exam Alignment

• Big Idea 2: Computer Systems and Networks (16-20% of AP Exam)
• Essential Knowledge: CSN-1.H.1, CSN-1.H.2, CSN-1.H.3
• Computational Thinking Practice: 2.A - Develop algorithms for solving problems

Lesson Structure (50 minutes)

Opening Hook (10 minutes)

1.1 Welcome & Lesson Preview (5 minutes)

Teacher Activities:

• Recap previous day's content on cloud computing
• Introduce today's topic on internet protocols

Student Activities:

• Think about: "What are some examples of internet protocols in daily life?"

1.2 Internet Protocol Examples Challenge (5 minutes)

Activity: "Identify the Protocol"
Instructions:

• Groups of 4-6 students
• Identify internet protocols in given scenarios
• Discuss the importance of protocols

Purpose: Activate thinking about internet protocols

Core Content Instruction (20 minutes)

2.1 What are Internet Protocols? (10 minutes)

Definition (CSN-1.H.1):

Internet protocols are rules that govern how data is transmitted over networks.

Key Concepts:

• TCP/IP: Transmission Control Protocol/Internet Protocol
• HTTP/HTTPS: Hypertext Transfer Protocol
• DNS: Domain Name System

Case Study: Sending an email

• Process: SMTP for sending, IMAP for receiving

2.2 Common Internet Protocols (5 minutes)

Examples:

• TCP/IP: Data transmission over the internet
• HTTP/HTTPS: Web browsing
• FTP: File transfer

Discussion Questions:

1. What makes good protocol usage?
2. Can you think of an example where internet protocols are used in daily life?
3. Why are internet protocols important in computing?

2.3 Advanced Internet Protocol Concepts (5 minutes)

Why is it important?:

• Reliability: Ensuring data reaches its destination
• Security: Protecting data during transmission

Discussion Questions:

1. How can we ensure reliability in internet protocols?
2. Why is security important when using internet protocols?

Hands-On Activity (15 minutes)

3.1 Group Project: Simulate Protocol Communication (15 minutes)

Activity: "Simulate a Protocol"
Instructions:

• Groups of 3-4 students
• Simulate communication using a specific protocol (e.g., HTTP)
• Present simulation results to the class

Materials:

• **Simulation worksheet
• **Protocol checklist

Learning Goals:

• **Understand internet protocols
• **Simulate protocol communication
• **Test protocol functionality
• **Present ideas effectively

Assessment:

• **Group participation
• **Simulation accuracy
• **Testing thoroughness
• **Presentation clarity

Closure & Preview (5 minutes)

4.1 Key Concepts Review (2 minutes)

Today's Learning Highlights:

1. ✅ Defining what internet protocols are
2. ✅ Identifying common internet protocols
3. ✅ Understanding how protocols enable communication
4. ✅ Analyzing real-world scenarios

AP Exam Connection:

• These concepts will appear in AP exam multiple choice questions
• Understanding internet protocols is crucial for the Explore Performance Task

4.2 Next Class Preview (3 minutes)

Day 9 Topic: "Network Security"

• Learning Objective: CSN-1.I - Understand network security
• Activity: Practicing secure network practices
• Homework: Think about a recent online interaction. What protocols were involved?