E2-CH1

Which of the following protocols are examples of TCP/IP transport layer protocols? (Choose two answers)

• Ethernet

• TCP

• IP

• UDP

• SMTP

Which of the following protocols are examples of TCP/IP data-link layer protocols? (Choose two answers)

• HTTP

• Ethernet

• PPP

• UDP

• TCP

The process of HTTP asking TCP to send some data and making sure that it is received correctly is an example of what?

• Same-layer interaction

• Adjacent-layer interaction

• OSI model

• All of these answers are correct

The process of TCP on one computer marking a TCP segment as segment 1, and the receiving computer then acknowledging the receipt of TCP segment 1 is an example of what?

• Data encapsulation

• OSI model

• All of these answers are correct.

• Same-layer interaction

The process of a web server adding a TCP header to the contents of a web page, followed by adding an IP header and then adding a data-link header and trailer, is an example of what?

• Data encapsulation

• Same-layer interaction

• OSI model

• All of these answers are correct

Which of the following terms is used specifically to identify the entity created when encapsulating data inside data-link layer headers and trailers?

• Data

• Chunk

• Segment

• Frame

• Packet

Which OSI encapsulation term can be used instead of the term frame?

• Layer 1 PDU

• Layer 2 PDU

• Layer 3 PDU

• Layer 5 PDU

• Layer 7 PDU