Alexandre is said to have installed a new software to her computer and then proceeds to set it up to perform in a certain way. What she did was to configure the software.
Configuring software in a computer has to do with setting it up to behave in certain ways according to the user.
In the given question, an array is defined. It is a collection of the same type of data element, which means, array stores either a numeric value or string value at a time.
An array beta is defined, which contains 50 elements. The array elements indexing always starts with 0 which means, the first element of the array will be stored in an index value that is 0. That's why option (i) is correct.
Not sure on the first question, but the second would be answer choice a: Travel.state.gov since a website with .gov at the end tend to be trustworthy sources