1steps when troubleshooting a power system
power button, battery, DC jack, AC adapter, and AC outlet
2how to configure settings using the keyboard
the Fn key in combination with F1-F12 function keys
3what does the num lock key do
disable/enable the keypad
4SODIMM DDR3 number of pins
204 pins
5SODIMM DDR4 number of pins
260 pins
6types of laptop storage drives and the size of their form factors
SSD, magnetic disk, and hybrid. 2.5 or 1.8 inch
7what do you do if a laptop can't connect to the wi-fi
try pressing the wi-fi button
8ways a laptop can communicate with other computers
wired/wireless ethernet, bluetooth, and cellular WAN
9what does a screen inverter do
converts DC voltage from the motherboard into AC voltage to be sent to the backlight
10what should you do before handling an inverter
turn off, unplug the laptop, and remove the battery
11where can you find the microphone and webcam on a laptop
above the display screen
12how to disable a webcam or microphone on a laptop
check function keys, then the OS settings, or remove if necessary
13what is an M.2 card or a Mini PCIe card
it's a card for an internal wifi antenna
14what connectors do android devices use
USB-C or Micro-USB for older ones
15what connectors do iOS-based devices use
USB-C or Lightning
16difference between USB tethering and a mobile hotspot
USB tethering is wired, mobile hotspot is wireless
17steps for connecting to wi-fi on a mobile device
go to settings, scan for wireless networks, enter the SSID, enter the passcode, verify connectivity
18steps for configuring bluetooth
enable bluetooth, enable pairing, find a device for pairing, enter the PIN, test connectivity
19ports for SMTP
25, 465, 587
22data transfer rates of 5G
20 Gbps
23GSM and GPRS provide-
2G speeds
24UMTS and EDGE provide-
3G speeds
25IMT-Advanced provides-
4G and 4G LTE speeds
26ITU IMT-2020 provides-
5G
27what do PRL updates do
help you get better coverage by keeping your device on preferred networks
28difference between MDM and MAM
MDM updates and secures mobile devices from a central location, MAM manages specific corporate mobile applications