In a transaction$-$processing system $($TPS$),$ if the TPS database can be queried and updated while the transaction is taking place, this is called processing.

Select one:

A$.$ batch

B$.$ direct

C$.$ immediate

D$.$ real$-$time

Which protocol is used when sending files as attachments by e$-$mail?

Select one:

A$.$ Post Office Protocol $($POP$)$

B$.$ JavaScript Object Notation $($JSON$)$

C$.$ User Datagram Protocol $($UDP$)$

D$.$ Multipurpose Internet Mail Extensions $($MIME$)$