Domain 1: Mobile Devices

Master key concepts for configuring and troubleshooting mobile devices on the 220-1101 exam.

Laptop Hardware

Understand RAM, keyboards, batteries, drives, and wireless cards.

  • RAM: DDR3, DDR4, DDR5 — installation and troubleshooting.
  • Drives: HDD vs SSD (SATA/NVMe), cloning, boot errors.
  • Wireless Cards: Types (Mini PCIe, M.2), antenna reattachment, signal issues.
Display Components

Differentiate LCD types (IPS, TN, VA) and OLED, plus components like webcams, digitizers, and Wi-Fi antennas.

  • LCD Types: Color accuracy, viewing angles, and response time.
  • Touchscreen/Digitizer: Capacitive vs resistive, calibration, replacement.
  • Inverter: For CCFL displays, know the signs of failure.
Ports & Accessories

Learn USB types, Lightning, NFC, Bluetooth, and accessory functions.

  • USB-C: Reversible, supports power and video.
  • Docking Stations: Expand laptop functionality with ports and power.
  • Bluetooth Accessories: Pairing, drivers, range limitations.
Wireless & App Support

Set up mobile networks (Wi-Fi, cellular), enable GPS/Bluetooth, troubleshoot pairing.

  • Wi-Fi Setup: SSID, security modes, signal issues.
  • Bluetooth: PIN pairing, visibility, range.
  • Mobile Data: GSM vs CDMA, PRL updates.
Enterprise Configurations

Understand Mobile Device Management (MDM), app deployment, two-factor authentication (2FA), and email setup.

Cloud Sync & Data

Configure and troubleshoot data sync across platforms like iCloud, Microsoft 365, and Google Workspace.