100-150 Question 173
Single answerA network technician is setting up a new switch and needs to connect it to a high-speed backbone network that uses fiber optic cables. The technician notices that the switch has an SFP port. Which of the following actions should the technician take to establish the connection?
- A
Insert a compatible SFP transceiver and connect the fiber optic cable to it.
- B
Directly connect the fiber optic cable to the SFP port.
- C
Use an Ethernet cable to connect the switch to the backbone network.
- D
Plug a USB cable into the SFP port to establish the connection.
Show answer and explanation
Correct answer: A
Explanation
To connect a switch to a fiber optic backbone network, a compatible SFP transceiver must be inserted into the SFP port. The transceiver converts the optical signal and allows the fiber optic cable to establish the connection. Without the transceiver, the fiber optic cable cannot interface with the SFP port.
- A. Correct.
This is correct. An SFP port requires a compatible SFP transceiver to convert the optical signal, allowing the fiber optic cable to connect properly.
- B. Incorrect.
This is incorrect. Fiber optic cables cannot be directly inserted into an SFP port; an SFP transceiver is required.
- C. Incorrect.
This is incorrect. Ethernet cables are not used for connecting to fiber optic backbone networks, and Ethernet ports are different from SFP ports.
- D. Incorrect.
This is incorrect. USB cables cannot be used in an SFP port, as they serve entirely different purposes and are not compatible.