Pls help l will mark you Brainliest

Wich technology can a website use to allow you to listen to a concert live over the internet?

Which of the following includes the three primary network access technologies? dsl, cable modem, broadband lan, wan, man voip, uc, iptv tcp/ip, ftp, dhcp

Consider the usual algorithm to convert an infix expression to a postfix expression. suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: (5 points) | | | + | | ( | bottom |_*_| now, suppose that you read and process the 11th symbol of the input. draw the stack for the case where the 11th symbol is