ES
ID
U
EG
R
O
SC
, ES
ID
U
EG
R
O
SC
, ES
ID
U
EG
R
O
SC
, 6. An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the
organization.
Answer: False
Difficulty: Medium
Reference: Data Communications Networks
L.O.: Be familiar with the major components of and types of networks
7. A car manufacturer may give access to certain portions of its network to some of its suppliers via the
Internet. This is an example of an extranet.
Answer: True
Difficulty: Medium
SC
Reference: Data Communications Networks
L.O.: Be familiar with the major components of and types of networks
8. The OSI model is currently the most widely implemented network model used to develop and build
networks of any size, including the Internet itself.
Answer: False
O
Difficulty: Medium
Reference: Network Models
L.O.: Understand the role of network layers
R
9. The network layer performs the same functions in both the OSI and Internet models and is responsible
for routing messages from the source computer to the destination computer.
Answer: True
EG
Difficulty: Easy
Reference: Network Models
L.O.: Understand the role of network layers
10. In the OSI model, the application layer provides a set of utilities for applications and is the end user’s
access to the network.
U
Answer: True
Difficulty: Medium
Reference: Network Models
L.O.: Understand the role of network layers
ID
11. The application layer is the seventh layer of the Internet model and specifies the type of connection
and the electrical signals that pass through it.
Answer: False
ES
Difficulty: Easy
Reference: Network Models
L.O.: Understand the role of network layers
12. At the transport layer in the Internet model, TCP is responsible for breaking large files received from
the application layer into smaller messages and opening a connection to a server for transferringthem.
ID
U
EG
R
O
SC
, ES
ID
U
EG
R
O
SC
, ES
ID
U
EG
R
O
SC
, 6. An intranet is a LAN that uses Internet technologies and is publicly available to people outside of the
organization.
Answer: False
Difficulty: Medium
Reference: Data Communications Networks
L.O.: Be familiar with the major components of and types of networks
7. A car manufacturer may give access to certain portions of its network to some of its suppliers via the
Internet. This is an example of an extranet.
Answer: True
Difficulty: Medium
SC
Reference: Data Communications Networks
L.O.: Be familiar with the major components of and types of networks
8. The OSI model is currently the most widely implemented network model used to develop and build
networks of any size, including the Internet itself.
Answer: False
O
Difficulty: Medium
Reference: Network Models
L.O.: Understand the role of network layers
R
9. The network layer performs the same functions in both the OSI and Internet models and is responsible
for routing messages from the source computer to the destination computer.
Answer: True
EG
Difficulty: Easy
Reference: Network Models
L.O.: Understand the role of network layers
10. In the OSI model, the application layer provides a set of utilities for applications and is the end user’s
access to the network.
U
Answer: True
Difficulty: Medium
Reference: Network Models
L.O.: Understand the role of network layers
ID
11. The application layer is the seventh layer of the Internet model and specifies the type of connection
and the electrical signals that pass through it.
Answer: False
ES
Difficulty: Easy
Reference: Network Models
L.O.: Understand the role of network layers
12. At the transport layer in the Internet model, TCP is responsible for breaking large files received from
the application layer into smaller messages and opening a connection to a server for transferringthem.
