Explain how Ethernet deals with two computers transmitting at the same time. You should also explain how modern Ethernet networks increase
performance

Q-3 a technician is setting up a computer lab. computers on the same subnet need to communicate with eachother peer to peer communication, a. hardware firewallb. proxy serverc. software firewalld. gre tunneling

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)

Which text format is this, "the text is transcribed exactly as it sounds and includes all the utterances of the speakers. "?