True/False 2

53.
True or False? A computer network is a collection of connected computing devices that may or may not be able to communicate.
B)
False
54.
True or False? The sharing of resources underlies all computer networks.
A)
True
55.
True or False? Only computers can be connected to a computer network.
B)
False
56.
True or False? Printers can be directly connected to a computer network.
A)
True
57.
True or False? A node or host on a computer network must be a computer.
B)
False
58.
True or False? Any addressable device attached to a computer network is called a node or host.
A)
True
59.
True or False? Data transfer rate is the speed with which data is moved from one place on the network to another.
A)
True
60.
True or False? Computer networks must be physically wired.
B)
False
61.
True or False? Computer networks may be connected without the use of physical wires.
A)
True
62.
True or False? Bandwidth is a synonym for data transfer rate.
A)
True
63.
True or False? Client/Server is a software package that runs under Windows.
B)
False
64.
True or False? A file server is a position in a computer center.
B)
False
65.
True or False? A local area network is a type of computer network that links together a small number of nodes in a building or buildings in a close geographic area.
A)
True
66.
True or False? A ring topology is a LAN configuration in which all nodes are connected in a closed loop.
A)
True
67.
True or False? A ring topology is a WAN configuration in which all nodes are connected in a closed loop.
B)
False
68.
True or False? A star topology is a LAN configuration in which a central node controls all message traffic.
A)
True
69.
True or False? A star topology is a MAN configuration in which a central node controls all message traffic.
B)
False
70.
True or False? A bus technology is a LAN configuration in which all nodes share a common line.
A)
True
71.
True or False? Ethernet is based on a bus topology.
A)
True
72.
True or False? Ethernet is based on a ring topology.
B)
False
73.
True or False? An Internet backbone is a company that provides other companies or individuals with access to the Internet.
B)
False
74.
True or False? An Internet backbone is a term used to refer to a set of high-speed networks that carry Internet traffic.
A)
True
75.
True or False? An Internet service provider is a company that provides other companies or individuals with access to the Internet.
B)
False
76.
True or False? Both DSL connections and cable modems are broadband connections.
A)
True
77.
True or False? Broadband connections provide more rapid downloads that uploads.
A)
True
78.
True or False? Broadband connections provide more rapid uploads than downloads.
B)
False
79.
True or False? A firewall is a special sprinkler system that is installed to protect highly sensitive data.
B)
False
80.
True or False? For national security, the US government enforces a national access control policy.
B)
False