Auser has requested a field that counts the number of child record associated with a custom object. these custom objects have a lookup relationship between each other, which feature would best accomplish this requirement? a. apex triggerb. roll-up summary fieldc. lightning process builderd. visual flow

Consider the following statements, then select one of the answers below: the signal() function shown below registers "sig_handler()" as the signal handler function for the sigkill signal, without the complexity of using when the sigkill signal is sent to a process running this code, by a user typing "kill -kill ", where the correct process id is used for to target the process, sig_handler() will be executed.

Examine the list below. which factors positively affect lifetime income? check all that apply.

What need most led to the creation of the advanced research projects agency network? darpa wanted scientists to be able to collaborate and share research easily. darpa wanted american and russian politicians to be able to communicate. darpa wanted astronauts to be able to contact nasa and the white house. darpa wanted factory owners to be able to coordinate supply chains.