CompTIA Certifications | Professional Certifications PACKAGE DEAL 2025/2026 – All Major Exams with Questions and Answers (Multiple-Choice and Performance-Based)

CompTIA Certifications | Professional
Certifications PACKAGE DEAL 2025/2026 – All
Major Exams with Questions and Answers
(Multiple-Choice and Performance-Based)
Section 1: CompTIA A+ (Core 1 – 220-1201) (Q1–Q20)
1. A technician is troubleshooting a new PC build that will not POST. The CPU fan spins, but
there is no display. Which of the following should the technician check FIRST?
A. Replace the power supply
B. Verify RAM is properly seated
C. Reinstall the operating system
D. Replace the motherboard
Answer: B
Rationale: RAM seating issues are a common cause of POST failure. The technician should verify
RAM is properly seated before replacing components.
2. Which of the following connector types is used for a wired Ethernet network connection?
A. USB-C
B. RJ11
C. RJ45
D. Thunderbolt
Answer: C
Rationale: RJ45 is the standard connector for Ethernet networking. RJ11 is used for telephone
connections.
3. A user reports that their laptop display is very dim, but an external monitor works
normally. Which of the following is the MOST likely cause?
A. Faulty GPU
B. Failed backlight
C. Corrupted display driver
D. Loose RAM
Answer: B
Rationale: A failed backlight causes dim displays while external monitors work normally since
they have their own power source.
4. Which of the following is a characteristic of DDR5 RAM compared to DDR4?
A. Higher latency

,B. Lower bandwidth
C. Higher bandwidth and lower power consumption
D. Smaller module size
Answer: C
Rationale: DDR5 offers higher bandwidth and improved power efficiency compared to DDR4.
5. A technician needs to connect a legacy PS/2 keyboard to a modern PC. Which adapter
should be used?
A. USB to PS/2
B. PS/2 to USB
C. VGA to HDMI
D. DVI to VGA
Answer: B
Rationale: A PS/2 to USB adapter converts the legacy PS/2 connector to USB for modern PCs.
6. Which of the following storage interfaces provides the FASTEST data transfer speed?
A. SATA III
B. NVMe
C. IDE
D. eSATA
Answer: B
Rationale: NVMe (Non-Volatile Memory Express) provides the fastest data transfer speeds,
especially over PCIe.
7. A technician is installing a new CPU. Which of the following should be applied between the
CPU and heatsink?
A. Thermal paste
B. Dielectric grease
C. Adhesive
D. Lubricant
Answer: A
Rationale: Thermal paste improves heat transfer between the CPU and heatsink, preventing
overheating.
8. Which of the following is the PRIMARY purpose of a UPS?
A. Provide surge protection
B. Provide backup power during outages
C. Convert AC to DC
D. Regulate voltage

,Answer: B
Rationale: A UPS provides temporary backup power during outages, allowing safe shutdown.
9. A user reports that their wireless mouse is not working. Which of the following should the
technician check FIRST?
A. Replace the mouse
B. Check the batteries
C. Reinstall the driver
D. Check the USB port
Answer: B
Rationale: Checking batteries is the first troubleshooting step for a wireless mouse not working.
10. Which of the following cloud service models provides the MOST control to the customer?
A. SaaS
B. PaaS
C. IaaS
D. FaaS
Answer: C
Rationale: IaaS provides the most control, giving customers control over the operating system
and applications.
11. A technician is configuring a RAID array for a workstation that prioritizes performance.
Which RAID level should be used?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
Answer: A
Rationale: RAID 0 (striping) provides the best performance but no redundancy.
12. Which of the following is a characteristic of a UEFI BIOS?
A. Supports MBR partitions only
B. Supports GPT partitions and larger drives
C. Limited to 2 TB drives
D. Requires legacy boot mode
Answer: B
Rationale: UEFI supports GPT partitions, allowing larger drives and improved security features.
13. A technician needs to configure a printer for network use. Which protocol should be
used?
A. USB

, B. TCP/IP
C. Bluetooth
D. FireWire
Answer: B
Rationale: TCP/IP is used for network printing, allowing multiple users to access the printer.
14. Which of the following display technologies provides the BEST color accuracy?
A. TN
B. IPS
C. VA
D. OLED
Answer: D
Rationale: OLED displays provide the best color accuracy and contrast due to individual pixel
illumination.
15. A technician is troubleshooting a laptop that will not charge. Which of the following
should be checked FIRST?
A. Replace the battery
B. Check the power adapter
C. Replace the motherboard
D. Reinstall the OS
Answer: B
Rationale: Checking the power adapter is the first step in troubleshooting a laptop that will not
charge.
16. Which of the following is the purpose of a KVM switch?
A. Share a monitor, keyboard, and mouse between multiple computers
B. Connect multiple monitors to one computer
C. Extend a network connection
D. Convert digital to analog signals
Answer: A
Rationale: A KVM switch allows sharing a monitor, keyboard, and mouse between multiple
computers.
17. A user reports that their PC is overheating. Which of the following should the technician
check FIRST?
A. CPU usage
B. Dust buildup in fans
C. RAM usage
D. Hard drive health