nt2640 week1

Chapter 1
Answer the following review questions.
1. Which of the following protocols are examples of TCP/IP transport layer protocols? (More than one answer could be correct.)
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
The answers to this question are TCP and UDP.
2. Which of the following protocols are examples of TCP/IP network access layer protocols?
a. Ethernet
b. HTTP
c. IP
d. UDP
e. SMTP
f. TCP
g. PPP
The answers to this question are Ethernet and PPP.
3. The process of HTTP asking TCP to send some data and make sure that it is received correctly is an example of what?
a. Same-layer interaction
b. Adjacent-layer interaction
c. The OSI model
d. All the other answers are correct.
The answer to this question is Adjacent-layer interaction.

4. 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?
a. Data encapsulation
b. Same-layer interaction
c. Adjacent-layer interaction
d. The OSI Model
e. None of these answers are correct.
The answer to this question is Same-layer interaction.
5. 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?
a. Data encapsulation
b. Same-layer interaction
c. The OSI model
d. All of these answers are correct.
The answer to this question is Data encapsulation.
6. Which of the following terms is used specifically to identify the entity that is created when encapsulating data inside data link layer headers and trailers?
a. Data
b. Chunk
c. Segment
d. Frame
e. Packet
f. None of these-there is no encapsulation by the data link layer.
The answer to this question is Frame.
7. Which OSI layer defines the functions of logical network-wide addressing and routing?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
e. Layer 5
f. Layer 6
g. Layer 7
The