B.4 CompTIA A+ Core 1 (220-1101) Certification Practice
Exam QUESTIONS AND ASNWERS YEAR 2025.
What is a base-10 numbering system also known as?
Answer
ARP
Hexadecimal
Binary
Decimal - ✅✅Decimal
Six months ago, you purchased a new laptop. Since then, you have noticed that the
battery life has steadily gone down. When the battery was new, a full charge lasted
about 10 hours. Now you are lucky to get two hours of life before the battery charge
level drops below 5 percent.
Which of the following is the BEST first step when trying to correct this issue?
Answer
Calibrate the battery.
Replace the power meter chip on the battery.
Buy a new battery.
Clean the contacts on the battery. - ✅✅Calibrate the battery.
Which network protocol do controller systems use to communicate with each other?
Answer
ICMP
HTTP:
Modbus
ARP - ✅✅Modbus
You have just finished installing a new SATA hard disk in your computer. Now your
SATA DVD drive does not work.
Which of the following troubleshooting steps are BEST to try first? (Select two.)
AnswerCorrect Answer:
Make sure that the DVD SATA cable is connected.
Try the DVD drive in another system.
Make sure that the DVD power cable is connected.
Remove the hard disk.
Replace the DVD drive.
Set the DVD drive to Slave and the hard disk to Master. - ✅✅Make sure that the DVD
power cable is connected.
While changing the toner cartridge in your laser printer, you accidently spill toner in and
around the printer.
Which of the following is the BEST method for cleaning up the spilled toner?
Answer
,Scoop up large portions and then use a static cloth to wipe up the remaining toner.
Chassis intrusion detection
Use a household vacuum.
Incorrect answer:
Wipe up most of the toner using a warm, wet cloth and then vacuum. - ✅✅Chassis
intrusion detection
Which of the following indicates that a system case cover has been removed?
Answer
DriveLock
BIOS password
Chassis intrusion detection
Trusted Platform Module (TPM) - ✅✅Chassis intrusion detection
While presenting a high-definition video through a projector, you find that the audio is
not in sync with the video.
What is the MOST likely cause of this issue?
Answer
The audio file is being processed faster than the video file.
An LCD panel is dirty or damaged.
A VGA cable is being used to connect the computer to the projector.
The bulb is close to burning out. - ✅✅The audio file is being processed faster than
the video file.
Your computer currently uses a 5,400 RPM hard disk. You want to improve your
computer's overall performance by optimizing your hard disk performance.
Which of the following would be the MOST effective means to optimize your hard disk
performance? (Select two.)
AnswerIncorrect answer:
Upgrade your hard disk interface to eSATAp.
Upgrade your hard disk interface to SATA 2.
Implement RAID 0 on the current hard disk.
Upgrade your hard disk interface to SATA 3.
Upgrade to a 10,000 RPM hard disk.
Upgrade to a 7,200 RPM hard disk.
Explanation - ✅✅Upgrade your hard disk interface to SATA 3.
Correct Answer:
Upgrade to a 10,000 RPM hard disk.
Mobile devices can connect to the internet and other devices using a variety of
connection types.
Drag each connection type on the left to the appropriate description on the right.
Used to obtain wireless internet access using a WLAN
Used to emulate cryptographic smart card functionalities.
, Provides mobile devices with access to network resources and software applications on
a home network.
Allows you to share a phone's internet connection with a laptop.
A wireless technology standard for exchanging data over short distances.
DRAG Correct response:
Bluetooth
Mobile VPN
NFC
Hotspot
Tethering - ✅✅Hotspot
NFC
Mobile VPN
Tethering
Bluetooth
Which computer function takes data through a series of procedures as defined by a set
of instructions?
Answer
Output
Storage
Networking
Processing - ✅✅Processing
A company has subscribed to a cloud service that offers cloud applications and storage
space. Through acquisition, the number of company employees quickly doubled. The
cloud service vendor was able to add cloud services for these additional employees
without requiring hardware changes.
Which of the following cloud concepts does this represent?
Answer
Rapid elasticity
Measured service
On-demand
Resource pooling - ✅✅Rapid elasticity
Which of the following components of a IPv4 address will be unique for each network
device?Answer:
Host ID
Network protocol
Incorrect answer:
Subnet mask
Network ID - ✅✅HOST ID
Exam QUESTIONS AND ASNWERS YEAR 2025.
What is a base-10 numbering system also known as?
Answer
ARP
Hexadecimal
Binary
Decimal - ✅✅Decimal
Six months ago, you purchased a new laptop. Since then, you have noticed that the
battery life has steadily gone down. When the battery was new, a full charge lasted
about 10 hours. Now you are lucky to get two hours of life before the battery charge
level drops below 5 percent.
Which of the following is the BEST first step when trying to correct this issue?
Answer
Calibrate the battery.
Replace the power meter chip on the battery.
Buy a new battery.
Clean the contacts on the battery. - ✅✅Calibrate the battery.
Which network protocol do controller systems use to communicate with each other?
Answer
ICMP
HTTP:
Modbus
ARP - ✅✅Modbus
You have just finished installing a new SATA hard disk in your computer. Now your
SATA DVD drive does not work.
Which of the following troubleshooting steps are BEST to try first? (Select two.)
AnswerCorrect Answer:
Make sure that the DVD SATA cable is connected.
Try the DVD drive in another system.
Make sure that the DVD power cable is connected.
Remove the hard disk.
Replace the DVD drive.
Set the DVD drive to Slave and the hard disk to Master. - ✅✅Make sure that the DVD
power cable is connected.
While changing the toner cartridge in your laser printer, you accidently spill toner in and
around the printer.
Which of the following is the BEST method for cleaning up the spilled toner?
Answer
,Scoop up large portions and then use a static cloth to wipe up the remaining toner.
Chassis intrusion detection
Use a household vacuum.
Incorrect answer:
Wipe up most of the toner using a warm, wet cloth and then vacuum. - ✅✅Chassis
intrusion detection
Which of the following indicates that a system case cover has been removed?
Answer
DriveLock
BIOS password
Chassis intrusion detection
Trusted Platform Module (TPM) - ✅✅Chassis intrusion detection
While presenting a high-definition video through a projector, you find that the audio is
not in sync with the video.
What is the MOST likely cause of this issue?
Answer
The audio file is being processed faster than the video file.
An LCD panel is dirty or damaged.
A VGA cable is being used to connect the computer to the projector.
The bulb is close to burning out. - ✅✅The audio file is being processed faster than
the video file.
Your computer currently uses a 5,400 RPM hard disk. You want to improve your
computer's overall performance by optimizing your hard disk performance.
Which of the following would be the MOST effective means to optimize your hard disk
performance? (Select two.)
AnswerIncorrect answer:
Upgrade your hard disk interface to eSATAp.
Upgrade your hard disk interface to SATA 2.
Implement RAID 0 on the current hard disk.
Upgrade your hard disk interface to SATA 3.
Upgrade to a 10,000 RPM hard disk.
Upgrade to a 7,200 RPM hard disk.
Explanation - ✅✅Upgrade your hard disk interface to SATA 3.
Correct Answer:
Upgrade to a 10,000 RPM hard disk.
Mobile devices can connect to the internet and other devices using a variety of
connection types.
Drag each connection type on the left to the appropriate description on the right.
Used to obtain wireless internet access using a WLAN
Used to emulate cryptographic smart card functionalities.
, Provides mobile devices with access to network resources and software applications on
a home network.
Allows you to share a phone's internet connection with a laptop.
A wireless technology standard for exchanging data over short distances.
DRAG Correct response:
Bluetooth
Mobile VPN
NFC
Hotspot
Tethering - ✅✅Hotspot
NFC
Mobile VPN
Tethering
Bluetooth
Which computer function takes data through a series of procedures as defined by a set
of instructions?
Answer
Output
Storage
Networking
Processing - ✅✅Processing
A company has subscribed to a cloud service that offers cloud applications and storage
space. Through acquisition, the number of company employees quickly doubled. The
cloud service vendor was able to add cloud services for these additional employees
without requiring hardware changes.
Which of the following cloud concepts does this represent?
Answer
Rapid elasticity
Measured service
On-demand
Resource pooling - ✅✅Rapid elasticity
Which of the following components of a IPv4 address will be unique for each network
device?Answer:
Host ID
Network protocol
Incorrect answer:
Subnet mask
Network ID - ✅✅HOST ID
