- What is CodeHS?
- Curriculum
- Platform
- Assignments
- Classroom Management
- Grading
- Gradebook
- Progress Tracking
- Lesson Plans
- Offline Handouts
- Problem Guides
- Practice
- Create
- Problem Bank
- Playlist Bank
- Quiz Scores
- Rostering
- Integrations
- Professional Development
- Stories
- Standards
- States
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- D.C.
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
- State Standards
- Plans
- Resources
- Districts
- Share
- Contact Us
- Company
![](https://static1.codehs.com/img/logo_name.png)
IB CS Core HL: 3.1.3
CodeHS Lessons
Network fundamentals: Describe how communication over networks is broken down into different layers.
Standard |
11.1 Welcome to the Internet |
11.3 Internet Addresses |
11.5 DNS |
Standard |
16.1 Advanced Networking |
Standard |
13.1 Welcome to the Internet |
13.3 Internet Addresses |
13.5 DNS |
Standard |
5.14 Advanced Networking |
Standard |
11.1 Welcome to the Internet |
11.3 Internet Addresses |
11.5 DNS |
Standard |
8.3 Welcome to the Internet |
8.5 Internet Addresses |
8.7 DNS |
Standard |
8.3 Welcome to the Internet |
8.5 Internet Addresses |
8.7 DNS |
Standard |
7.12 Advanced Networking |
Standard |
7.1 Welcome to the Internet |
7.3 Internet Addresses |
7.5 DNS |
Standard |
5.1 Welcome to the Internet |
5.2 DNS |
Standard |
5.1 Welcome to the Internet |
5.2 DNS |
- What is CodeHS?
- Curriculum
- Platform
- Assignments
- Classroom Management
- Grading
- Gradebook
- Progress Tracking
- Lesson Plans
- Offline Handouts
- Problem Guides
- Practice
- Create
- Problem Bank
- Playlist Bank
- Quiz Scores
- Rostering
- Integrations
- Professional Development
- Stories
- Standards
- States
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- D.C.
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming
- State Standards
- Plans
- Resources
- Districts
- Share
- Contact Us
- Company
![](https://static1.codehs.com/img/logo_name.png)