100-150 Question 167
Select 2You are tasked with setting up a small office network and need to connect a router to both a switch and an internet service provider's modem. Which ports on the router should you use for these connections?
- A
LAN port to connect to the switch
- B
WAN port to connect to the ISP modem
- C
Console port to connect to the switch
- D
USB port to connect to the ISP modem
- E
SFP port to connect to the ISP modem
Show answer and explanation
Correct answers: A, B
Explanation
To establish a functional network, the LAN port on the router connects to internal devices like switches, while the WAN port connects to the ISP modem for internet access. Other ports like console, USB, and SFP serve specific purposes but are not suitable for these connections in this scenario.
- A. Correct.
Correct: The LAN port on the router is used to connect to internal devices like a switch, providing local network connectivity.
- B. Correct.
Correct: The WAN port on the router is used to connect to the ISP modem, enabling internet access for the network.
- C. Incorrect.
Incorrect: The console port is only used for device management and configuration, not for network connectivity.
- D. Incorrect.
Incorrect: A USB port on a router is typically used for storage devices or 4G/5G modems, not for standard ISP modem connections.
- E. Incorrect.
Incorrect: An SFP port is used for fiber optic or high-speed connections, but most ISP modems do not use SFP modules for connectivity.