What is this?

What is this?
This is an SFP module. SFP stands for Small Form-factor Pluggable. These modules are used in networking to facilitate the connection of various types of network interfaces, such as fiber optic and Ethernet cables, to network switches and routers. The form factor and labeling on the device, as well as the typical appearance of an SFP module, align with the image provided.
THE CORRECT ANSWER IS B
C is the correct answer