chapter 6

1. The TCP/IP model has _______ layers.

• 4

• 5

• 7

• 1

4. The _______ layer of the TCP/IP protocol suite is responsible for node-to-node delivery of a frame between two adjacent nodes.

• a. transport

• b. network

• c. data-link

• d. session

2. The _______ layer of the TCP/IP protocol suite provides services for end users.

• a. data-link

• b. transport

• c. application

• d. physical

5. The _______ layer of the TCP/IP protocol suite is responsible for source-to-destination delivery of the entire message.

• a. transport
  

• 
  b. network
  

• 
  d. session

• 
  c. data-link
  

. What is the domain name in the e‑mail address [e-mail]?

• a. kayla
  

• 
  b. [e-mail]
  

• 
  c. nasa.gov
  

• 
  d. gov

7. Which physical topology uses a hub or switch?

• a. bus
  

• 
  b. ring
  

• 
  c. star
  

• 
  d. bus and ring

8. IP addresses are currently _______ bits in length.

• a. 4
  

• 8

• 32

• 40

9. _______ protocol (s) is one of the protocols in the transport layer.

• a. Only TCP
  

• 
  b. Only UDP
  

• 
  c. Only SCTP
  

• 
  d. TCP, UDP, and SCTP

10. _______ is a protocol for file transfer.
a. FTP
b. SMTP
c. TELNET
d. HTTP

• .
  a. FTP
  

• 
  b. SMTP
  

• 
  c. TELNET
  

• 
  d. HTTP

12. _______ is a protocol for accessing and transferring documents on the WWW.
a. FTP
b. SMTP
c. TELNET
d. HTTP

• 
  a. FTP
  

• 
  b. SMTP
  

• 
  c. TELNET
  

• 
  d. HTTP