Which of the following statements is true? Group of answer choices

1.An array can only be used to hold number data.

2.An index refers to the position of a particular element in an array.

3.An index does not need to be used when looping through an array.

4.Only a while loop can be used when iterating through an array.

Given int variables k and total that have already been declared, use a while loop to compute the sum of the squares of the first 50 counting numbers, and store this value in total. thus your code should put 11 + 22 + 33 + + 4949 + 50*50 into total. use no variables other than k and total.

Select the correct answer. peter has launched a website that features baby products. however, clients often find they are unable to access the website because the server is down. which feature of cybersecurity should peter focus on for his website? a. data authenticity b. data privacy c. data availability d. data integrity e. data encryption

What multimedia system creates an immersive, real-life experience that the user can interact with?