Can be compared to the post office and how a letter is sent from one street address to another.

Hop Count
Message Switching
Hop Limit

Which are steps taken to diagnose a computer problem? a) reproducing the problem and using error codes b) reproducing the problem and troubleshooting c) using error codes and troubleshooting d) using error codes and stepping functions

Description: write function lastfirst() that takes one argument—a list of strings of the format "lastname, firstname" —and returns a list consisting of two lists: (a) a list of all the last names (b) a list of all the first names

Jamie has to enter the names, employee id’s, and income of a group of employees into a worksheet. which option will jamie use to describe the data