4.2 The Internet

• What is the Internet Protocol Suite (TCP/IP) used for in the Internet?

  Communication
• Servers provide resources such as websites and databases to clients.


  True
• Protocols govern how data is transmitted and received over the Internet.


  True
• The File Transfer Protocol (FTP) is used to send emails between mail servers.

  False
• TCP/IP manages packet delivery and addressing
• FTP is used to send emails between mail servers.

  False
• What are the fundamental components of the Internet's structure?

  Clients and servers
• What are URLs used for in the WWW?

  Identifying web pages
• The Internet uses TCP/IP to facilitate data transmission.


  True
• Order the following Internet protocols based on their primary function:

  1️⃣ TCP/IP: Manages packet delivery

  2️⃣ HTTP: Enables web communication

  3️⃣ FTP: Facilitates file transfers

  4️⃣ SMTP: Sends emails between servers
• Clients send requests to servers for web pages, files, or applications
• Match the protocol with its function:

  FTP ↔️ Facilitates file transfers between computers

  SMTP ↔️ Sends emails between mail servers
• The World Wide Web uses HTTP to access interconnected webpages


  True
• IP addresses are numerical labels assigned to devices connected to a network
• Encryption scrambles data to prevent unauthorized access
• The Internet uses the Internet Protocol Suite (TCP/IP) to communicate between interconnected networks
• Protocols ensure smooth communication between devices by governing how data is transmitted and received
• TCP/IP manages packet delivery and addressing
• HTTP enables web browsing between browsers and servers
• What is the role of a server in the Internet's structure?

  Data provider
• Order the key functions of the World Wide Web

  1️⃣ Accessing Information

  2️⃣ Hyperlinking

  3️⃣ Multimedia Support
• Match the Internet technology with its purpose:

  IP Address ↔️ Identifies devices on a network

  URL ↔️ Locates web pages or resources
• Encryption scrambles data to prevent unauthorized access
• How has the Internet transformed communication?

  Instant global connectivity
• Routers ensure efficient data transfer by directing data packets
• Clients request and receive data from servers
• What is the purpose of the Hypertext Transfer Protocol (HTTP)?

  Web communication
• What are protocols in the Internet?

  Rules for data transmission
• What is the primary role of HTTP?

  Web browsing
• What do Internet protocols ensure in data exchange?

  Reliability and efficiency
• The World Wide Web (WWW) uses HTTP to access interconnected web pages.


  True
• What is the primary role of HTTP in the World Wide Web?

  Webpage retrieval
• Which component in the Internet stores and serves data to clients?

  Servers
• How do clients and servers interact in the Internet's structure?

  Clients request data, servers provide it
• The HTTP protocol enables web browsing between browsers and servers


  True
• Servers receive requests, process them, and send the requested data back to clients
• What are URLs used for in the World Wide Web?

  Retrieving web pages
• What is the primary function of a firewall in network security?

  Controls network traffic
• Match the social impact of the Internet with its description:

  Commerce ↔️ E-commerce and online shopping

  Social Interaction ↔️ New forms of community building
• What is the role of servers in the Internet?

  Provide resources to clients