________ enable programmers to insert Python code that interacts with components in a PSP to perform request processing.

A(n) _____ is a published set of rules that govern the operation of a PKI.

A. signature resource guide (SRG) B. enforcement certificate (EF) C. certificate practice statement (CPS) D. certificate policy (CP)

Given an M × N matrix mat that has all of its elements initialized to 0, write a C++ code fragment to store 1's along mat's main diagonal while leaving all other entries unchanged.

Example: 1 0 0 0 0 1 0 0 0 0 1 0