COMPTIA A+ FINAL PAPER 2026 TESTED QUESTIONS WITH FULL SOLUTION GRADED A+

COMPTIA A+ FINAL PAPER 2026 TESTED
QUESTIONS WITH FULL SOLUTION GRADED
A+

◉ Personal Area Network (PAN). Answer: - Provides communication
for devices owned by a single user that work over a short distance
- Bluetooth, IR, NFC, etc.
(1.1 & 2.7)


◉ LCD (Liquid Crystal Display). Answer: Lightweight & Inexpensive -
Poor black levels due to Separate Backlight
(1.2)


◉ TN (twisted nematic). Answer: Fast response Times - Low cost -
Low Power Use - Limited Viewing Angles
(1.2)


◉ IPS (In Plane Switching). Answer: Better Colors - Better Viewing
Angles - More Expensive
(1.2)

,◉ OLED (organic light-emitting diode). Answer: Thinner & Brighter -
No Need for Backlight
(1.2)


◉ MDM (mobile device management). Answer: - Manage company &
user devices
- Centralized management system
- Ensures device security
(1.4)


◉ MAM (mobile application management). Answer: - Set policies &
restrictions on apps
- Control Company software (Update, Remove, Etc.)
(1.4)


◉ PRL (Preferred Roaming List). Answer: - Allows phone to connect
to the right tower
(1.4)


◉ Port 20/21. Answer: FTP (File Transfer Protocol)
- 20(TCP) for Data Transfers
- 21(TCP) to Control Data Transfers
(2.1)

,◉ Port 22. Answer: SSH (Secure Shell) - TCP
- Encrypted Communication
- Looks/Acts the same as Telnet
(2.1)


◉ Port 23. Answer: Telnet (Telecommunications Network) - TCP
- Non-encrypted Communication
- Log into devices remotely
(2.1)


◉ Port 25. Answer: SMTP (Simple Mail Transfer Protocol) - TCP
- Used to send mail from device to mail server
(2.1)


◉ Port 53. Answer: DNS (Domain Name System) - UDP
- Converts names to IP addresses
- CRITICAL Resource
(2.1)


◉ Port 67/68. Answer: DHCP (Dynamic Host Configuration
Protocol) - UDP

, - Automated configuration of IP addresses
- IPs can be reserved for certain devices
- IP Range: 10.1.10.10 through 10.1.10.199
(2.1)


◉ Port 80. Answer: HTTP (Hypertext Transfer Protocol) - TCP
- Non-encrypted communication in the browser
(2.1)


◉ Port 110. Answer: POP3 (Post Office Protocol 3) - TCP
- Receive emails from an email server
- Basic mail transfer functionality
(2.1)


◉ Port 143. Answer: IMAP (Internet Mail Access Protocol) - TCP
- Includes management of email inboxes from multiple clients. (Sync
email across multiple devices)
(2.1)


◉ Port 161/162. Answer: SNMP (Simple Network Management
Protocol) - UDP
- Port 161 queries devices for performance statistics.