Which of the following number will replace the question

What is the primary advantage of using a snapshot-based backup method over traditional backup methods?

In which part of a function are local variables typically declared?

Which is correct with respect to the size of the data types in C?

In syntax-directed translation, what are attributes associated with?

What is the scope of a variable declared as "static" inside a function?

In a compiler, keywords of a language are recognized during 

Which data structure represents a hierarchical relationship between elements?

What is the primary advantage of using public key cryptography over symmetric key cryptography?

What is the purpose of the "GROUP BY" clause in an SQL query?

Which application layer protocol is primarily used for securely transferring files over a network?