E-commerce (TCP/IP)

What layer in the TCP/IP stack is equivalent to the Transport layer of the OSI model?

• Application

• Host to host

• Internet

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

• Application

• Host to Host

• Internet

Which of the following protocols uses both TCP and UDP?

• FTP

• SMTP

• DNS

Length of Port address in TCP/IP is _________

• 4bit long

• 16bit long

• 32bit long

TCP/IP layer is equivalent to combined Session, Presentation and _________

• Network layer

• Application layer

• Transport layer