DTN 3023: Application Layer

What is the primary function of the Application Layer?

• User interface design

• Application communication

• Data transmission

• Network security

How many layers does the OSI model have?

• 4

• 5

• 6

• 7

The original TCP/IP protocol suite was defined as having how many layers?

• 4

• 5

• 6

• 7

Which of the following is an example of a network application services?

• Operating system

• Word processor

• Web browser

• Spreadsheet software

What type of architecture does a web server typically use?

• Peer-to-Peer

• Decentralized

• Hybrid

• Client-Server

Which protocol is used for sending emails?

• DNS

• HTTP

• FTP

• SMTP

Which transport protocol provides reliable data transfer, flow control, and congestion control?

• TCP

• IP

• UDP

• HTTP

Which of the following is a characteristic of UDP?

• Reliable data transfer

• Connection-oriented

• Unreliable data transfer

• Guaranteed delivery

What is the purpose of a socket in networking?

• To store data

• To encrypt data

• To establish a connection

• To serve as a communication endpoint

Which HTTP method is used to retrieve data from a server?

• PUT

• GET

• POST

• DELETE