IT Concepts and Terminology Flashcards
Which of the following is the smallest unit of data transfer speed?
Kilobits per second (Kbps)
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What can cause a network’s throughput to slow down?
Retransmissions due to errors
Why might your actual internet speed be different from what your ISP advertises?
Because of network congestion and other factors
If your theory is not confirmed, what is the next step?
Come up with a new idea
How can the method of starting at one end of the system help?
It ensures a systematic and thorough check of all components
Which is the next step after you confirm the functionality is restored?
Put in preventative measures if needed
What is the purpose of having the user perform their typical tasks after a fix?
To make sure the system is working properly
Why is it important to back up important data before implementing a fix?
To avoid losing data
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Which type of file is most likely to be measured in gigabytes (GB)?
Video Files
What counting system do humans most commonly use?
Decimal
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What is one benefit of providing detailed documentation?
It helps if the problem comes back months later.
How many bytes are in a kilobyte (KB)?
1024
How many potential values can a single bit store?
2
What does bandwidth refer to in networking?
The highest amount of data a network can handle at once
How do computers use binary to represent information?
By using combinations of only two values: 0 and 1
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What is used to measure modern processors?
GHz
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What is the first step in troubleshooting a network problem?
Using a standard operating procedure (SOP)
What should you write down after replicating the problem?
All important symptoms and error messages
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Which numbering system is used to represent file permissions in Linux?
Octal
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Which of the following hexadecimal digits represents the decimal number 15?
F
Which of the following BEST represents the order of the computing cycle?
Input, process, storage, and output
In modern smartphones, what input device allows you to interact with the device using your fingers?
Touchscreen
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What does Question the Obvious mean?
Check for easy and common issues first
Which is the next step if the implementation fails to resolve the issue?
Escalate the issue to a more experienced technician
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What does 1 Hertz (Hz) mean?
One cycle per second
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What is the fourth step in the troubleshooting process?
Establish a plan and implement the fix
What is a square wave in the context of a computer’s clock signal?
A wave that represents binary digits
What is the first step in fixing a problem?
Identify the problem
What should you do if you can replicate the problem?
Move on to figuring out how to fix it
What does a byte represent in computing?
A group of 8 bits
Where can you check the history of Windows updates?
In the Settings app under Update History
What unit is used to measure a computer’s processing speed?
Hertz
What should you do if a fix is delayed because you need to order parts?
Document up to the point of ordering parts
A user has entered a search string into an application and clicked on the Search icon. Which of the following is the NEXT step in the computing process?
Process
What is the CompTIA Troubleshooting Methodology?
A structured approach, or SOP, to problem-solving
What does it mean to consider multiple approaches?
Try different methods to identify the problem
What should you do if the fix might cause a lot of downtime for the organization?
Wait until after hours or the weekend
Which of the following hexadecimal digits represents the decimal number 15?
F
What should you do if you can replicate the problem?
Move on to figuring out how to fix it
If your theory is not confirmed, what is the next step?
Come up with a new idea
What should you do if a fix is delayed because you need to order parts?
Document up to the point of ordering parts
What is the purpose of having the user perform their typical tasks after a fix?
To make sure the system is working properly
What does bandwidth refer to in networking?
The highest amount of data a network can handle at once
Why is it important to talk to the user when identifying a problem?
To understand the symptoms and recent changes
What should you do before implementing a fix?
Make sure you have the necessary tools and permissions
What is the primary function of output devices connected to a computer?
To display or produce the results of a computer’s processes to the user
In computing, why is the hexadecimal system useful?
It uses fewer digits to represent binary numbers
What does Question the Obvious mean?
Check for easy and common issues first
What is the base of the hexadecimal numbering system?
16
How many bits does each hexadecimal digit represent in a network address?
4
What is the maximum number a single byte can hold?
225
What does the term processing speed refer to?
How fast a computer performs a given operation or task
What does throughput measure?
How much data moves through a system in one second
What does bandwidth refer to in networking?
The highest amount of data a network can handle at once
What does Unicode provide that ASCII does not?
Emojis
Which unit is used to measure the speed of data transfer in networks?
Bits per second
What does Mbps stand for?
Megabits per second
What is the primary purpose of the ASCII format?
To represent characters such as letters, numbers, and symbols in bina
What is the main limitation of the ASCII format?
It only supports 128 characters, primarily based on the English language
What is different between bits and qubits?
Bits can be either 1 or 0, while qubits can be both 1 and 0 at the same time
