Exam (elaborations)
GMU IT 105 Final Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
- Course
- Institution
GMU IT 105 Final Exam | Questions And Answers Latest {} A+ Graded | 100% Verified
[Show more]
Content preview
GMU IT 105 Final Exam | Questions And Answers Latest {2024- 2025} A+ Graded | 100%Verified
The OSI model defines four layers used by computer systems to communicate over a network - False
Random access files are the same as relative access files. - True
In computer hardware, a port is simply a connector at the end of a bus into which a device can be
plugged - True
The operating system provides I/O support services that can be used by every program. - 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: - Backplane
A channel that carries messages in only one direction is known as a duplex channel. Page (256), simplex,
half-duplex, full-duplex - False
A full-duplex channel may carry messages in both directions, but only one direction at a time. - False
An Intranet is an organizational network, where the user interfaces and applications are based primarily
on Web services. - True
Ethernet is called the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) protocol. - True
Ports are used in the Transport layer to identify the application that is to receive the message. - True
There must be a way to break long messages into smaller units. These units are called segments - False
The use of packets simplifies operations and increases communication efficiency. - True
, Packet switching is also called datagram switching. - True
Multimedia applications require relatively few MIPS (Million Instructions Per Second). - False
Client-server computing typically provides easier administration of services. - True
A Cluster typically provides high availability and fault tolerance. - True
Which of the following multiplexing techniques is normally used with digital signals - . Time division
multiplexing (TDM
Which of the following computers are mounted on a board similar to a motherboard that can be
plugged into connectors on a rack? - Blade Servers
Which of the following is FALSE regarding fiber-optic cabling - It is vulnerable to most forms of noise.
Abbreviated Hz, is the unit used to measure what? - Frequency
The USB protocol allows packets to be scheduled for delivery at regular time intervals. This technique is
known as what? - Isochronous data transfer
Which of the following is not a component of a communication frame? - Bit Rate
TCP sends a control packet to TCP at the Web site, requesting a connection; this results in a brief back-
and-forth series of requests and acknowledgments known as what? - Handshaking
Reading data in all the packets as they pass through the network is known as what? - Packet sniffing
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller oneclass. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.48. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
62555 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now