A .xlsx file tells you that the file is an Excel workbook that utilizes XML files to create the various spreadsheets as well as macros and other hidden codes used to perform certain functions (which is why there's an X at the end; older .xls files had no indication of this external code being present, which is why they're almost never recommended for modern use).
Answer:
(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.
Explanation:
The explanation is in the answer.
Ethernet is the best in reliability and speed
Answer:
so please
Explanation:
please upload the question so I can answer ,by the way I don't play call of duty
Typography is a tool that can be used to establish a spatial hierarchy of the content.