1 / 1 point
Which of the following is not true about a server?
Question options:
stores data and software that can be accessed by client devices.
is the pathway through which messages travel.
in client/server computing, servers together over the network with client computers to support business applications.
can only perform one function on a network.
stores documents and graphics that can be accessed from a Web browser.
Question 2
1 / 1 point
Networks designed to connect similar computers that share data and software with each other are _________ networks.
Question options:
client/server
peer-to-peer
local area networks
personal area networks
Question 3
1 / 1 point
A backbone network is a:
Question options:
high-speed central network that connects other networks in a distance spanning to several miles.
group of personal compters connected to a common communication circuit that are able to exchange information.
network spanning a geographic area that encompasses a city or county (3 to 30 miles).
network that connects servers and storage devices in server room or small data center.
Question 4
1 / 1 point
Which of the following is not a property of a WAN?
Question options:
connects backbone networks and MANs.
spans hundreds or thousands of miles.
uses lease lines from IXCs such as Sprint. MCI, and AT&T.
None of the above; all of the above are properties of WANs
Question 5
1 / 1 point
A(n) _______ uses the same technologies as the Internet but is only accessible by authorized employees.
Question options:
BN
intranet
CAN (campus area network)
proprietary network
Question 6
1 / 1 point
A(n) _____ enables authorized customers, suppliers, and business partners are able to access resources in an organization's computer network over the Internet.
Question options:
MAN
BN
WAN
extranet
Question 7
1 / 1 point
Which layer of the OSI model is responsible for ensuring that all packets transmitted by a sender are received by the destination device?
Question options:
session layer
data link layer
transport layer
presentation layer
Question 8
1 / 1 point
Which layer of the OSI model is responsible for ensuring flow control so tha the destination device does not receive more packets than it can process at any given time?
Question options:
physical layer
data link layer
transport layer
session layer
Question 9
1 / 1 point
The _____ layer of the OSI model is responsible for data format translation.
Question options:
session
application
transport
presentation
Question 10
1 / 1 point
Layer 3 of the OSI model is the _____ layer.
Question options:
session
transport
network
data link
Question 11
1 / 1 point
__________ is an orderly close to a dialogue betwween end users over a data communication network.
Question options:
session termination
call tear down
circuit dropping
token passing
Question 12
1 / 1 point
In the Internet model, the application layer corresponds to the _______ layer(s) of the OSI model.
Question options:
application, presentation, and session
application and presentation
transport and network
data link and network
Question 13
1 / 1 point
In the OSI model, error checking is performed at both the ______ layers.
Question options:
physical and data link
application and presentation
data link and transport
data link and network
Question 14
1 / 1 point
Which is not a physical layer function?
Question options:
transmission of bits.
ensuring error-free transmission.
defining the rules by which ones and zeroes are transmitted.
providing the physical connection between sender and receiver.
Question 15
1 / 1 point
The _____ layer is responsible for routing messages from sender to final destination device across the data communications network.
Question options:
application
network
physical
transport
Question 16
1 / 1 point
Which of the following is a function of the tansport layer?
Question options:
formatting messages by indicating where they start and
