GMU IT 105 Final Exam; Questions & Answers 100% Solved
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Course
IT 105 GMU
Institution
IT 105 GMU
GMU IT 105 Final Exam; Questions & Answers
100% Solved
The OSI model defines four layers used by computer systems to communicate over a network
Correct answer-False
Random access files are the same as relative access files. Correct answer-True
In computer hardware, a port is simply a conne...
GMU IT 105 Final Exam; Questions & Answers
100% Solved
The OSI model defines four layers used by computer systems to communicate over a network
Correct answer-False
Random access files are the same as relative access files. Correct answer-True
In computer hardware, a port is simply a connector at the end of a bus into which a device can
be plugged Correct answer-True
The operating system provides I/O support services that can be used by every program.
Correct answer-True
The wiring on the motherboard interconnects all of the peripheral cards that are plugged in to
connectors, together with circuitry that steers I/O to the CPU and memory. This arrangement is
known as a: Correct answer-Backplane
A channel that carries messages in only one direction is known as a duplex channel. Page (256),
simplex, half-duplex, full-duplex Correct answer-False
A full-duplex channel may carry messages in both directions, but only one direction at a time.
Correct answer-False
, GMU IT 105 Final Exam; Questions & Answers
100% Solved
An Intranet is an organizational network, where the user interfaces and applications are based
primarily on Web services. Correct answer-True
Ethernet is called the Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
protocol. Correct answer-True
Ports are used in the Transport layer to identify the application that is to receive the message.
Correct answer-True
There must be a way to break long messages into smaller units. These units are called segments
Correct answer-False
The use of packets simplifies operations and increases communication efficiency. Correct
answer-True
Packet switching is also called datagram switching. Correct answer-True
Multimedia applications require relatively few MIPS (Million Instructions Per Second).
Correct answer-False
Client-server computing typically provides easier administration of services. Correct
answer-True
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