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