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CompTIA A+ 220-1101 Core 1 Study
Flashcards Questions and Correct
Answers/ Latest Update / Already Graded
Local Area Network (LAN)
Ans: A network that covers a relatively small area such as a
building or group of buildings
(1.1 & 2.7)
Personal Area Network (PAN)
Ans: - 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)
Ans: Lightweight & Inexpensive - Poor black levels due to
Separate Backlight
(1.2)
TN (twisted nematic)
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Ans: Fast response Times - Low cost - Low Power Use - Limited
Viewing Angles
(1.2)
IPS (In Plane Switching)
Ans: Better Colors - Better Viewing Angles - More Expensive
(1.2)
OLED (organic light-emitting diode)
Ans: Thinner & Brighter - No Need for Backlight
(1.2)
MDM (mobile device management)
Ans: - Manage company & user devices
- Centralized management system
- Ensures device security
(1.4)
MAM (mobile application management)
Ans: - Set policies & restrictions on apps
- Control Company software (Update, Remove, Etc.)
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(1.4)
PRL (Preferred Roaming List)
Ans: - Allows phone to connect to the right tower
(1.4)
Port 20/21
Ans: FTP (File Transfer Protocol)
- 20(TCP) for Data Transfers
- 21(TCP) to Control Data Transfers
(2.1)
Port 22
Ans: SSH (Secure Shell) - TCP
- Encrypted Communication
- Looks/Acts the same as Telnet
(2.1)
Port 23
Ans: Telnet (Telecommunications Network) - TCP
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- Non-encrypted Communication
- Log into devices remotely
(2.1)
Port 25
Ans: SMTP (Simple Mail Transfer Protocol) - TCP
- Used to send mail from device to mail server
(2.1)
Port 53
Ans: DNS (Domain Name System) - UDP
- Converts names to IP addresses
- CRITICAL Resource
(2.1)
Port 67/68
Ans: 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)
All rights reserved © 2025/ 2026 |
CompTIA A+ 220-1101 Core 1 Study
Flashcards Questions and Correct
Answers/ Latest Update / Already Graded
Local Area Network (LAN)
Ans: A network that covers a relatively small area such as a
building or group of buildings
(1.1 & 2.7)
Personal Area Network (PAN)
Ans: - 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)
Ans: Lightweight & Inexpensive - Poor black levels due to
Separate Backlight
(1.2)
TN (twisted nematic)
All rights reserved © 2025/ 2026 |
, Page |2
Ans: Fast response Times - Low cost - Low Power Use - Limited
Viewing Angles
(1.2)
IPS (In Plane Switching)
Ans: Better Colors - Better Viewing Angles - More Expensive
(1.2)
OLED (organic light-emitting diode)
Ans: Thinner & Brighter - No Need for Backlight
(1.2)
MDM (mobile device management)
Ans: - Manage company & user devices
- Centralized management system
- Ensures device security
(1.4)
MAM (mobile application management)
Ans: - Set policies & restrictions on apps
- Control Company software (Update, Remove, Etc.)
All rights reserved © 2025/ 2026 |
, Page |3
(1.4)
PRL (Preferred Roaming List)
Ans: - Allows phone to connect to the right tower
(1.4)
Port 20/21
Ans: FTP (File Transfer Protocol)
- 20(TCP) for Data Transfers
- 21(TCP) to Control Data Transfers
(2.1)
Port 22
Ans: SSH (Secure Shell) - TCP
- Encrypted Communication
- Looks/Acts the same as Telnet
(2.1)
Port 23
Ans: Telnet (Telecommunications Network) - TCP
All rights reserved © 2025/ 2026 |
, Page |4
- Non-encrypted Communication
- Log into devices remotely
(2.1)
Port 25
Ans: SMTP (Simple Mail Transfer Protocol) - TCP
- Used to send mail from device to mail server
(2.1)
Port 53
Ans: DNS (Domain Name System) - UDP
- Converts names to IP addresses
- CRITICAL Resource
(2.1)
Port 67/68
Ans: 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)
All rights reserved © 2025/ 2026 |
