4.1.4 Network protocols:

• What are network protocols defined as?

  Sets of rules
• Network protocols define standardized rules for communication.


  True
• Match the protocol with its purpose:

  TCP/IP ↔️ Fundamental protocol suite for internet communication

  HTTP ↔️ Transfers web pages and other content

  FTP ↔️ Transfers files between computers

  SMTP ↔️ Facilitates email transmission
• HTTP uses a client-server model for transferring web content.


  True
• Arrange the protocols in order of their primary use cases:

  1️⃣ TCP/IP for fundamental internet communication

  2️⃣ HTTP for transferring web content

  3️⃣ FTP for file transfers

  4️⃣ SMTP for email transmission
• What is the purpose of TCP/IP in internet communication?

  Defines data formatting and transmission
• SMTP ensures that email messages are formatted and transmitted correctly between mail servers and clients.


  True
• What does the HTTP protocol enable?

  Client-server communication
• SMTP is used for email transmission between mail servers and clients.


  True
• Match the protocol with its function:

  HTTP ↔️ Transfers web pages and content

  FTP ↔️ Enables file uploads and downloads

  SMTP ↔️ Facilitates email transmission
• TCP is suitable for applications requiring reliable data delivery.


  True
• Match the protocol with its well-known port:

  HTTP ↔️ 80

  HTTPS ↔️ 443

  FTP ↔️ 21

  SMTP ↔️ 25
• Port 25 is used by SMTP for email transmission.

  True
• Network protocols ensure that computers can understand each other by standardizing the format and exchange of data
• What do network protocols manage in data transmission?

  Error detection and correction
• TCP/IP defines how data is addressed, transmitted, routed, and received
• Which protocol is used for email transmission?

  SMTP
• Match the protocol characteristic with its description:

  Standardized Rules ↔️ Protocols define consistent rules for communication

  Data Format ↔️ Specifies how data is formatted before transmission

  Error Handling ↔️ Manages error detection and correction

  Security ↔️ Includes measures to protect data
• FTP enables uploading and downloading files to and from a server
• What is the purpose of the TCP/IP protocol suite?

  Internet communication
• FTP is a standard protocol for transferring files
• Arrange the following protocols in the order they depend on each other

  1️⃣ TCP/IP

  2️⃣ HTTP, FTP, SMTP
• What type of connection does TCP use?

  Connection-oriented
• What is one characteristic of UDP regarding reliability?

  Unreliable
• UDP is more appropriate for real-time applications that prioritize speed
• What port does HTTPS use for secure web traffic?

  443