The UNIX operating system started the concept of socket which also came with a set of programming application programming interf
ace (API) for 'socket level' programming. A socket was also uniquely identified: a. as the combination of IP address and port number to allow an application within a computer to set up a connection with another application in another computer without ambiguity.
b. the port number to clearly identify which application is using TCP.
c. IP address to make sure the Internet device using the socket is delineated.
d. the access network, such as Ethernet or Wi-Fi so that multiple LAN devices could be installed on a single computer.
(a). as the combination of IP address and port number to allow an application within a computer to set up a connection with another application in another computer without ambiguity.
The answer is : C. Created in a word-processing program. Scannable Resumes are those that were created in a word-processing program. It is much more presentable and one can use the file by sending thru email as an attachment to the application letter,