This document contains 12 technical questions about computer programming topics like arrays, C++ classes, preprocessor directives, PHP, and computer networks. The questions have multiple choice answers with one option identified as the correct answer. Topics covered include properties of arrays, output of C++ programs, access specifiers in classes, types of C++ classes, implementing interfaces with abstract classes, #include directives, search paths for included files, UNIX variants, contents of wtmp and utmp files, data type promotion in expressions, the creator of PHP, and overlay computer networks.