Final answer:
The help desk technician suspects a problem at Layer 3 of the OSI model and is gathering information using a systematic troubleshooting approach.
Step-by-step explanation:
The subject of this question is Computers and Technology.
Layer 3 of the OSI model is the Network layer. In gathering information, the two questions associated with Layer 3 are:
- From the PC, is the default gateway reachable using the ping command? This helps determine if the network layer is functioning properly.
- Is the PC configured for DHCP? This question helps identify whether the PC has an IP address assigned by a DHCP server.