On a Fibre Channel switch, port error counters for one storage port show a high number of CRC errors, invalid transmit words, and bad end of frames. Which of the following are the MOST likely causes?

A failing Switch ASIC (Application-Specific Integrated Circuit) is a possibility, but typically affects multiple ports or the entire switch, not usually isolated to a single port with these specific error types.

A failing HBA (Host Bus Adapter) on the storage device or a faulty SFP (Small Form-Factor Pluggable) transceiver can cause corrupt data transmission, leading to CRC errors, invalid transmit words, and bad end of frames. These components are directly involved in sending and receiving Fibre Channel signals.

A loose or damaged fiber optic cable can introduce signal integrity issues, causing data corruption during transmission, which manifests as CRC errors, invalid transmit words, and incorrectly formed frames. Physical layer problems are a common cause of such transmission errors.

A server rebooting would cause link flapping or no link, not typically a sustained high number of specific data corruption errors like CRC or invalid words.

An HBA driver issue might cause I/O performance problems or device not being recognized, but it is less likely to directly cause physical layer data corruption errors like CRC or bad frames compared to failing hardware or cables.