Write the code for invoking a method named sendsignal. there are no arguments for this method . assume that sendsignal is defined in the same class that calls it.

Match the items with their respective descriptions.

Http is the protocol that governs communications between web servers and web clients (i. e. browsers). part of the protocol includes a status code returned by the server to tell the browser the status of its most recent page request. some of the codes and their meanings are listed below: 200, ok (fulfilled)403, forbidden404, not found500, server errorgiven an int variable status, write a switch statement that prints out the appropriate label from the above list based on status.

Explain how email technologies enable the exchange of messages between users. find out the typical parts of an email address and explain each part.