IT 105 Final GMU Exam Questions With Correct Answers
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Course
GMU IT 105
Institution
GMU IT 105
IT 105 Final GMU Exam Questions With
Correct Answers
A self-replicating/distributing and self-propagating malware that is a standalone executable
program that carries out unauthorized activity on a victim's device - answerworms
A node/bridge on a network that serves as a portal to other network...
IT 105 Final GMU Exam Questions With
Correct Answers
A self-replicating/distributing and self-propagating malware that is a standalone executable
program that carries out unauthorized activity on a victim's device - answer✔✔worms
A node/bridge on a network that serves as a portal to other networks. - answer✔✔gateway
This malware self-replicates itself on the host device, and it can't spread itself from one device to
another. They spread via exchanging infected files. - answer✔✔virus
It's main purpose is to disguise malware as legitimate software. It can't spread itself to other
devices and it CANT SELF-REPLICATE. - answer✔✔Trojan
a device or software that is designed to block unauthorized access while allowing authorized
communications - answer✔✔firewall
device that connects networks and allows devices to communicate with each other within those
networks - answer✔✔Router
A device that allows computers to connect to the internet - answer✔✔Modem
This transport protocol is connection based and connection must be established prior to actual
data transfer occurring - answer✔✔TCP (Transmission Control Protocol)
This transport protocol is in connectionless and transmission occurs on a best-effort basis, with
an acknowledgment flowing back only after transmission was initiated - answer✔✔UDP (User
Datagram Protocol)
the method of transmitting the bits one after another along a single path. It is slow, cost-effective,
has relatively few errors, and is practical for long distances. - answer✔✔Serial transmission
the method of transmitting a group of bits at a single instant in time, which requires multiple
paths. It is fast (higher data transfer rate) but expensive, and it is practical only for short
distances. - answer✔✔Parallel transmission
This refers to any computer program designed to surreptitiously (secretly) enter a digital device.
- answer✔✔Malware
this encryption function involve the use of one key - answer✔✔Private-key
this encryption function involve the use of two keys - answer✔✔Public-key
True/False: A basic computer network can be described as two or more computers that are linked
together - answer✔✔True
LAN means: - answer✔✔Local Area Network
WAN means: - answer✔✔Wide area Network
WAN and LAN difference? - answer✔✔distance
Each individual computer and component attached to a network is a: - answer✔✔Node
device that broadcasts data to all connected devices - answer✔✔Hub
device that forwards data only to the intended recipient - answer✔✔Switch
In a traditional LAN, each node on the network is connected through: - answer✔✔ethernet cable
how are nodes in traditional wan connected? - answer✔✔Routers
What does the acronym MAN mean? - 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
These signals have continuously varying quantities, Vast infrastructure, and are typically
voices/images/temp readings. - answer✔✔Analog Signals
Signals are discrete quantities, most commonly binary (On or Off, High or Low, 1 or 0). These
circuits are cheaper, more accurate, more reliable, have fewer transmission errors, and are easier
to maintain. - answer✔✔Digital Signals
Modem speed is measured in - answer✔✔bits per second (bps)
this means the amount of data moved successfully from one place to another in a given time
period, and typically measured in bits per second (bps), as in megabits per second (Mbps) or
gigabits per second (Gbps) - answer✔✔Throughput
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