CompTIA A+ 220-1101 Core 1 Study With complete solution RATED A+ 2025/2026

CompTIA A+ 220-1101 Core 1 Study With complete
solu on RATED A+ 2025/2026
Local Area Network (LAN) - Correct Answers A network that covers a rela vely small area such
as a building or group of buildings

(1.1 & 2.7)



Personal Area Network (PAN) - Correct Answers - Provides communica on 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) - Correct Answers Lightweight & Inexpensive - Poor black levels
due to Separate Backlight

(1.2)



TN (twisted nema c) - Correct Answers Fast response Times - Low cost - Low Power Use -
Limited Viewing Angles

(1.2)



IPS (In Plane Switching) - Correct Answers Be2er Colors - Be2er Viewing Angles - More
Expensive

(1.2)



OLED (organic light-emi6ng diode) - Correct Answers Thinner & Brighter - No Need for
Backlight

(1.2)

,MDM (mobile device management) - Correct Answers - Manage company & user devices

- Centralized management system

- Ensures device security

(1.4)



MAM (mobile applica on management) - Correct Answers - Set policies & restric ons on apps

- Control Company so9ware (Update, Remove, Etc.)

(1.4)



PRL (Preferred Roaming List) - Correct Answers - Allows phone to connect to the right tower

(1.4)



Port 20/21 - Correct Answers FTP (File Transfer Protocol)

- 20(TCP) for Data Transfers

- 21(TCP) to Control Data Transfers

(2.1)



Port 22 - Correct Answers SSH (Secure Shell) - TCP

- Encrypted Communica on

- Looks/Acts the same as Telnet

(2.1)



Port 23 - Correct Answers Telnet (Telecommunica ons Network) - TCP

- Non-encrypted Communica on

- Log into devices remotely

(2.1)

,Port 25 - Correct Answers SMTP (Simple Mail Transfer Protocol) - TCP

- Used to send mail from device to mail server

(2.1)



Port 53 - Correct Answers DNS (Domain Name System) - UDP

- Converts names to IP addresses

- CRITICAL Resource

(2.1)



Port 67/68 - Correct Answers DHCP (Dynamic Host Configura on Protocol) - UDP

- Automated configura on 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 - Correct Answers HTTP (Hypertext Transfer Protocol) - TCP

- Non-encrypted communica on in the browser

(2.1)



Port 110 - Correct Answers POP3 (Post Office Protocol 3) - TCP

- Receive emails from an email server

- Basic mail transfer func onality

(2.1)



Port 143 - Correct Answers IMAP (Internet Mail Access Protocol) - TCP

, - Includes management of email inboxes from mul ple clients. (Sync email across mul ple
devices)

(2.1)



Port 161/162 - Correct Answers SNMP (Simple Network Management Protocol) - UDP

- Port 161 queries devices for performance sta s cs.

- Port 162 monitors when metrics exceed a certain threshold.

(2.1)



Port 389 - Correct Answers LDAP (Lightweight Directory Access Protocol) - TCP

- Store & retrieve info in a network directory.

- Commonly used in Microso9 Ac ve Directory.

(2.1)



Port 443 - Correct Answers HTTPS (Hyper Text Transfer Protocol Secure) - TCP

- Encrypted Communica on in the Browser

(2.1)



Port 445 - Correct Answers Server Message Block (SMB) & Common Internet File System
(CIFS) - TCP

- Provides direct connec on & communica on over TCP without the NetBIOS Transport

(2.1)



Port 3389 - Correct Answers RDP (Remote Desktop Protocol) - TCP

- Share a desktop from a remote loca on

(2.1)