Chapter 16

1. What is a symptom of a bad power supply?
   • Random reboots
   • Random shutdowns
   • Fluctuating power output
   • Machine not turning on
2. What are a few tools you should have in your toolkit?
   • Screwdrivers
   • Pliers
   • Thermal gun
   • Cables
   • Wire strippers
   • Multimeter
   • Wire crimps/strippers
   • Flashlights
   • Computer with necessary programming software installed on it.
3. What does the ping command do?

   It sees if the target device is responsive over the network.

4. What is a symptom of a network issue?

   Can’t communicate with other devices on the network.

5. What is a possible symptom of a failed CMOS battery?
   • Warning lights
   • Blinking lights
   • Wrong date/time
   • Beeping sounds
   • PLC shutdown
   • Error messages
6. What is version control?

   Special software that allows you to keep different versions of a program.

7. Name two benefits of version control.

   Can be any of the following:

   • Promote collaboration
   • Keep code in a centralized connection
   • Prevent the loss of older iterations of the code
   • Prevent the loss of the current version...