The layer is the key to the operation of thunderbolt and what makes it attractive as a high-speed peripheral i/o technology. a. cableb. applicationc. common transportd. physical

The answer to the given question is the option "c".

Explanation:

In this question, the answer is "common transport". It is the layer responsible for end-to-end interaction that is used on the HTTP and FTP. This layer provides a logical interaction between applications that are run on different hosts within a layered protocol structure and other options are not correct that can be described as:

So the answer to this question is the option "C".  

answer; i think/believe the correct answer is balance sheet;

well you didnt give us any options it looks like so im going to go with because cash cant be traced.