General IT Flashcards
What are most persistent CD writing problems associated with?
Buffer Underruns
What could a loud noise coming from a computer fan indicate?
There is a driver problem
Put the steps of the CompTIA A+ troubleshooting model in order.
Identify the problem; establish probable cause; test the theory; implement a solution; verify functionality; document findings.
What is the purpose of having an accelerometer in a laptop?
To protect the hard drive
How can you check to see if you have an invalid partition or file system structure?
If you type C: at the command prompt, and this produces the error message “Invalid media type”
A user is experiencing an error with an application and wants to recreate the issue for you to see. What can you do to accomplish this without traveling to the user’s location?
Instruct the user to send a request for remote assistance using Windows Remote Assistance tool
What term refers to the width of the front-side bus of a central processing unit (CPU), which may be either 32 or 64 bits?
Architecture
What is the purpose of the International Mobile Equipment Identity (IMEI) number on a mobile phone?
It can uniquely identify the device in the Equipment Identity Register (EIR) database
In Windows Firewall properties, how can you prevent a specific port from receiving traffic?
Use the “Allow” state for inbound connections and create a rule to block the port
How can you verify whether a solution you apply fixes a problem?
Substitute the part for a “known good” one
Your computer shuts down every time you plug your external USB optical drive to it. After removing the optical drive, it works fine. What kind of problem could this indicate?
The PSU is underpowered
After the boot sector code loads the OS files into system memory, what can the error messages you receive on your Windows 10 computer be attributed to?
Software (or driver) problems
What is the best solution to fix slow disk performance?
Add more RAM
How is internal storage handled in a tablet?
A Series of Flash Chips
What is the first thing you should test if you are experiencing problems with AC power
The outlet
What is the first thing you should do if you are experiencing battery problems with your laptop
Check the battery is correctly inserted
When troubleshooting a PC, what is a good way to analyze the computer problem systematically?
Work In Layers
What is the functional purpose of a mobile device’s accelerometer?
Adjust the device display when it is detected that the device has re-oriented between landscape viewing modes
In Windows Firewall properties, how can you block a computer from accessing a specific program?
Use the “Allow” state for outbound connections and create a rule to block the program
What is a situation where “soft skills” are NOT important?
When highly technical jargon is needed
In Windows Firewall properties, how can you allow only a specific program to access the Internet?
Use the “Block” state for outbound connections and create a rule to allow the program
Which port is typically known as a serial port?
COM1
In which sector on the hard drive is the Master Boot Record (MBR) located?
In the first sector of the first partition
Least volatile storage device-most volatile
Removable storage,HDD,SSD,RAM,CPU Cache
Which wireless technology found in some laptops allows a connection to a cellular network?
WWAN
Which Windows 10 edition was designed to allow network administrators more control over client devices?
Windows 10 Pro
Which of these is part of a fiber optic strand?
Buffer
What is true about identifying the cause of a problem?
You must balance being methodical with being efficient.
Where is the memory controller located in a Core 2 Duo system?
Within the chipset
The valid 2.5” hard drive heights
15 mm, 9.5 mm, 7 mm, and 5 mm.
What is the most likely cause for spontaneous reboots on a laptop?
Overheating or thermal problems
What speed does Thunderbolt 3 support?
40Gbps
