Network Protocols Quiz

What is the primary purpose of network protocols?

• To ensure all computers use the same brand of hardware

• To standardize communication between devices regardless of hardware or software differences

• To increase the speed of data transmission

• To make user interfaces more attractive

Which layer of the TCP/IP stack includes protocols such as HTTP, HTTPS, and FTP?

• Transport Layer

• Network/Internet Layer

• Application Layer

• Link Layer

What is the main difference between HTTP and HTTPS?

• HTTPS is faster than HTTP

• HTTPS uses encryption (SSL/TLS) to secure data

• HTTP is used for email, HTTPS for web pages

• HTTPS cannot be used for online banking

Which protocol is used to transfer files between computers over a network?

• SMTP

• FTP

• POP3

• UDP

What are the two main types of connections used by FTP?

• Control (port 21) and Data (port 20)

• Secure (port 443) and Control (port 21)

• Data (port 80) and Control (port 21)

• Secure (port 22) and Data (port 21)

Which protocol is responsible for sending emails from a client to a server and between mail servers?

• POP3

• IMAP

• SMTP

• FTP

Which protocol retrieves emails from a server to a client and typically deletes them from the server?

• SMTP

• IMAP

• POP3

• HTTP

Which protocol allows emails to be accessed from multiple devices by keeping them on the server?

• SMTP

• IMAP

• POP3

• FTP

What is the port number commonly associated with SMTP?

• 25

• 110

• 143

• 21

Which of the following is a characteristic of UDP?

• Connection-oriented

• Guaranteed delivery

• Fast, connectionless, and minimal error-checking

• Extensive error checking and recovery