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Questions and Answers
Which of the following is true about the internet?
Which of the following is true about the internet?
- The internet is a single entity
- The internet is a physical network of computers
- The internet is only used for social media
- The internet is the foundation for most modern software applications (correct)
What is the purpose of understanding how the internet works for developers?
What is the purpose of understanding how the internet works for developers?
- To build effective, secure, and scalable applications and services (correct)
- To connect to social media platforms
- To learn about emerging technologies
- To understand the history of the internet
What is one of the basic concepts of the internet?
What is one of the basic concepts of the internet?
- IP addresses and domain names (correct)
- Software development
- Social media marketing
- Hardware manufacturing
Which protocol is commonly used to build applications and services on the internet?
Which protocol is commonly used to build applications and services on the internet?
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How can internet communication be secured?
How can internet communication be secured?
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Study Notes
Understanding the Internet
- The internet is a global network that connects millions of private, public, academic, business, and government networks.
- It enables communication, data sharing, and accessibility of information from anywhere in the world.
Purpose for Developers
- Understanding how the internet operates is crucial for developers to build efficient, secure, and scalable applications.
- Knowing protocols, data transmission methods, and network architecture aids in debugging, optimizing performance, and enhancing user experience.
Basic Concepts
- One fundamental concept is the client-server model, where clients request resources or services from servers.
- The concept of IP addresses is essential for identifying devices in the network and facilitating communication.
Common Protocols
- HTTP (Hypertext Transfer Protocol) is widely used for building web applications and serving web pages.
- Other common protocols include HTTPS for secure communication, FTP for file transfers, and SMTP for email transmission.
Securing Internet Communication
- Internet communication can be secured through encryption methods like SSL/TLS that protect data transferred between clients and servers.
- Using VPNs (Virtual Private Networks) helps in safeguarding privacy and securing data over public networks.
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