Which of the following protocols operates at the Application Layer of the TCP/IP

Practice Questions

Q1
Which of the following protocols operates at the Application Layer of the TCP/IP model?
  1. IP
  2. TCP
  3. UDP
  4. DNS

Questions & Step-by-Step Solutions

Which of the following protocols operates at the Application Layer of the TCP/IP model?
  • Step 1: Understand the TCP/IP model, which has four layers: Application, Transport, Internet, and Network Access.
  • Step 2: Identify the Application Layer, which is the top layer responsible for user interface and application services.
  • Step 3: Recognize that protocols like DNS (Domain Name System) are used to resolve domain names to IP addresses.
  • Step 4: Confirm that DNS is indeed a protocol that operates at the Application Layer.
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