Understanding the Internet

This video introduces the basic concepts of the internet, explaining its structure as a collection of interconnected networks. It distinguishes between the internet and the World Wide Web, describing the internet's hardware components. The video covers home and ISP networks, the role of routers, and how web pages are accessed using IP addresses. It explains the function of domain name servers in converting URLs to IP addresses. The video also discusses web hosting, cloud storage, and the advantages of cloud computing. Finally, it details the multi-step process of the domain name service in resolving URLs to IP addresses.

What is the internet primarily composed of?

• A collection of web pages

• A network of interconnected networks

• A series of wireless connections

• A group of local area networks

What is the role of a home router in a network?

• To store data locally

• To connect directly to web servers

• To convert URLs into IP addresses

• To connect devices to the internet service provider

What is the purpose of a domain name server?

• To provide internet access

• To store web pages

• To connect routers

• To convert URLs into IP addresses

Why are IP addresses not convenient for humans to use?

• They change frequently

• They are not unique

• They are difficult to remember

• They are too short

What is the main advantage of cloud storage over local storage?

• It is more secure

• It offers larger storage capacity

• It is faster

• It is cheaper

What is the process of storing a website on a server called?

• Uploading

• Downloading

• Hosting

• Caching

What is the first step in the domain name service process?

• Querying a DNS root name server

• Receiving the URL by a resolver server

• Requesting the top-level domain server

• Returning the IP address to the browser

Which server responds with the address of the top-level domain?

• Resolver server

• DNS root name server

• Domain's name server

• Web server

What is the IP address for google.com in the example given?

• 212.58.244.67

• 192.168.1.1

• 8.8.8.8

• 127.0.0.1

What is the role of the recursive resolver in the DNS process?

• To store web pages

• To send a query to the domain's name server

• To provide internet access

• To convert IP addresses into URLs