IT 105 GMU Final Exam Questions and
Solutions
A basic computer network can be described as: - Two or more computers that are
linked together
LAN stands for: - local area network
The primary difference between a LAN and a WAN is: - distance
Each individual computer and component attached to a network is a: - Node
In a traditional LAN, each node on the network is connected through: - Cables
MAN stands for: - Metropolitan area network
The hardware device or software program that sends messages between networks
is known as a: - Router
NIC stands for: - Network Interface Card
Computer bits must be ___________ to travel over phone lines - Analog signals
Modem speed is measured in: - Bits per second
, What is the term for the amount of information transmitted through a
communication medium in a certain amount of time? - Bandwidth
What type of cable uses light waves to carry information at high speed? - Fiber-
optic cables
What helps block unauthorized access and data transfer? - A firewall
A program that performs a useful task while simultaneously allowing destructive
acts is a: - Trojan horse
An intentionally disruptive program that spreads from program to program or from
disk to disk is known as a: - Virus
What type of virus uses computer hosts to reproduce itself? - Worm
When customers of a Web site are unable to access it due to a bombardment of
fake traffic, it is known as: - A denial of service attack
The scrambling of code is known as: - Encryption
Information security is the practice of defending information from unauthorized
access. - True
A computer worm is a standalone malware computer program that replicates itself
in order to spread to other computers. - True
Solutions
A basic computer network can be described as: - Two or more computers that are
linked together
LAN stands for: - local area network
The primary difference between a LAN and a WAN is: - distance
Each individual computer and component attached to a network is a: - Node
In a traditional LAN, each node on the network is connected through: - Cables
MAN stands for: - Metropolitan area network
The hardware device or software program that sends messages between networks
is known as a: - Router
NIC stands for: - Network Interface Card
Computer bits must be ___________ to travel over phone lines - Analog signals
Modem speed is measured in: - Bits per second
, What is the term for the amount of information transmitted through a
communication medium in a certain amount of time? - Bandwidth
What type of cable uses light waves to carry information at high speed? - Fiber-
optic cables
What helps block unauthorized access and data transfer? - A firewall
A program that performs a useful task while simultaneously allowing destructive
acts is a: - Trojan horse
An intentionally disruptive program that spreads from program to program or from
disk to disk is known as a: - Virus
What type of virus uses computer hosts to reproduce itself? - Worm
When customers of a Web site are unable to access it due to a bombardment of
fake traffic, it is known as: - A denial of service attack
The scrambling of code is known as: - Encryption
Information security is the practice of defending information from unauthorized
access. - True
A computer worm is a standalone malware computer program that replicates itself
in order to spread to other computers. - True
