Private cloud

Which regular expression will match the rules for a C++ identifier? (Letters, digits, underscore, cannot start with a digit)

A. [a-zA-Z_]+[a-zA-Z_0-9]* B. [a-zA-Z_0-9]* C. \w+

A database administrator (DBA) is an important nontechnical position responsible for defining and implementing consistent principles for a variety of data issues, including setting data standards and data definitions that apply across all the databases in an organization.

Answer the following statement true (T) or false (F)