Which of the following configurations experience faster local reads when data is replicated?

$($a$)$ A local network of multiple devices operates on disk blocks.

$($b$)$ A local shop stores and manages in$-$house supply and order data.

$($c$)$ An international online library with many branches keeps a record of all books owned by every branch.

$($d$)$ A small sized financial organization hosts data and applications in one server room.

$($e$)$ A bank stores data into a database management system where each processor uses private local storage. Processors at one node communicate with another processor using an interconnection netwiork.