COMPTIA A+ PRACTICE EXAM LATEST 2026 UPDATE
100 QUESTIONS AND DETAILED VERIFIED ANSWERS
FROM ACTUAL EXAMS TEST GRADE A+
1. Which connector is commonly used to provide both power and data to a 2.5-
inch SATA SSD?
A. Molex
B. SATA
C. IDE
D. PCIe
Rationale: SATA connectors provide both data and power connections for modern
HDDs and SSDs.
2. A technician needs to install memory in a laptop. Which memory type is most
likely required?
A. DIMM
B. SO-DIMM
C. RIMM
D. VRAM
Rationale: Small Outline DIMMs (SO-DIMMs) are designed for laptops and
compact systems.
3. Which RAID level provides striping with parity and requires a minimum of
three drives?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
,Rationale: RAID 5 offers striping with distributed parity and requires at least three
disks.
4. Which wireless standard operates exclusively in the 6 GHz band?
A. 802.11ac
B. 802.11n
C. 802.11ax
D. 802.11ax (Wi-Fi 6E)
Rationale: Wi-Fi 6E extends the 802.11ax standard to operate in the 6 GHz
spectrum.
5. A user reports that a laser printer produces faded prints. What is the most
likely cause?
A. Faulty fuser
B. Low toner
C. Dirty corona wire
D. Incorrect paper size
Rationale: Faded prints from a laser printer are most commonly due to low toner
levels.
6. Which port number is used by HTTPS?
A. 21
B. 80
C. 443
D. 3389
Rationale: HTTPS uses TCP port 443 to provide secure web communication.
,7. Which tool should a technician use to test a network cable for continuity and
correct pinout?
A. Multimeter
B. Cable tester
C. Toner probe
D. Loopback plug
Rationale: A cable tester verifies wiring continuity and correct pin configurations in
network cables.
8. Which mobile device feature allows contactless payments?
A. Bluetooth
B. NFC
C. Infrared
D. GPS
Rationale: Near Field Communication (NFC) enables secure, short-range
contactless transactions.
9. Which Windows tool allows a technician to view and manage system logs?
A. Task Manager
B. Event Viewer
C. Device Manager
D. Services
Rationale: Event Viewer provides access to detailed system, security, and
application logs.
10. Which type of attack involves sending fraudulent emails to trick users into
revealing sensitive information?
, A. DDoS
B. Phishing
C. Brute force
D. Man-in-the-middle
Rationale: Phishing attacks use deceptive emails to obtain confidential
information.
11. Which file system supports file permissions and encryption in Windows?
A. FAT32
B. exFAT
C. NTFS
D. HFS+
Rationale: NTFS supports advanced features such as permissions, encryption (EFS),
and compression.
12. What is the maximum cable length for a standard Ethernet UTP segment?
A. 10 meters
B. 50 meters
C. 100 meters
D. 500 meters
Rationale: Ethernet standards specify a maximum of 100 meters for UTP cable
segments.
13. Which connector is commonly used for fiber-optic networking?
A. RJ45
B. LC
C. BNC
D. DB9
100 QUESTIONS AND DETAILED VERIFIED ANSWERS
FROM ACTUAL EXAMS TEST GRADE A+
1. Which connector is commonly used to provide both power and data to a 2.5-
inch SATA SSD?
A. Molex
B. SATA
C. IDE
D. PCIe
Rationale: SATA connectors provide both data and power connections for modern
HDDs and SSDs.
2. A technician needs to install memory in a laptop. Which memory type is most
likely required?
A. DIMM
B. SO-DIMM
C. RIMM
D. VRAM
Rationale: Small Outline DIMMs (SO-DIMMs) are designed for laptops and
compact systems.
3. Which RAID level provides striping with parity and requires a minimum of
three drives?
A. RAID 0
B. RAID 1
C. RAID 5
D. RAID 10
,Rationale: RAID 5 offers striping with distributed parity and requires at least three
disks.
4. Which wireless standard operates exclusively in the 6 GHz band?
A. 802.11ac
B. 802.11n
C. 802.11ax
D. 802.11ax (Wi-Fi 6E)
Rationale: Wi-Fi 6E extends the 802.11ax standard to operate in the 6 GHz
spectrum.
5. A user reports that a laser printer produces faded prints. What is the most
likely cause?
A. Faulty fuser
B. Low toner
C. Dirty corona wire
D. Incorrect paper size
Rationale: Faded prints from a laser printer are most commonly due to low toner
levels.
6. Which port number is used by HTTPS?
A. 21
B. 80
C. 443
D. 3389
Rationale: HTTPS uses TCP port 443 to provide secure web communication.
,7. Which tool should a technician use to test a network cable for continuity and
correct pinout?
A. Multimeter
B. Cable tester
C. Toner probe
D. Loopback plug
Rationale: A cable tester verifies wiring continuity and correct pin configurations in
network cables.
8. Which mobile device feature allows contactless payments?
A. Bluetooth
B. NFC
C. Infrared
D. GPS
Rationale: Near Field Communication (NFC) enables secure, short-range
contactless transactions.
9. Which Windows tool allows a technician to view and manage system logs?
A. Task Manager
B. Event Viewer
C. Device Manager
D. Services
Rationale: Event Viewer provides access to detailed system, security, and
application logs.
10. Which type of attack involves sending fraudulent emails to trick users into
revealing sensitive information?
, A. DDoS
B. Phishing
C. Brute force
D. Man-in-the-middle
Rationale: Phishing attacks use deceptive emails to obtain confidential
information.
11. Which file system supports file permissions and encryption in Windows?
A. FAT32
B. exFAT
C. NTFS
D. HFS+
Rationale: NTFS supports advanced features such as permissions, encryption (EFS),
and compression.
12. What is the maximum cable length for a standard Ethernet UTP segment?
A. 10 meters
B. 50 meters
C. 100 meters
D. 500 meters
Rationale: Ethernet standards specify a maximum of 100 meters for UTP cable
segments.
13. Which connector is commonly used for fiber-optic networking?
A. RJ45
B. LC
C. BNC
D. DB9