Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?

Only one workstation on a particular network cannot reach the Internet. What is the first troubleshooting step if the divide-and-conquer method is being used?

• Check the NIC, and then check the cabling.
• Check the workstation TCP/IP configuration.
• Test all cables, and then test layer by layer up the OSI model.
• Attempt to Telnet, and then test layer by layer down the OSI model.

Exam with this question: CCNA Discovery 1: DHomeSB Chapter 9 Exam