1. What is NOT considered a physical layer problem?
- device power turned off or unplugged
- loose or incorrect cable
- wireless configuration
- faulty network cable
- faulty wireless access point
Explanation: The wireless configuration is typically done in software, which is not a physical layer problem.
2. Which senses typically alert technicians that components are overheating? (Choose three.)
- sight
- smell
- taste
- touch
- hearing
Explanation: Smell, taste, and touch can alert troubleshooters to components which are overheating.
3. True or false? A LED light that is not lit on a port means there is no traffic.
- true
- false
Explanation: The correct answer it true. An LED light that is not lit can indicate several different issues. But on a port, it means there is no traffic.