What's the drawback of using Screened Subnet (DMZ)?

When running anti-virus software , what could be a reason where recipitent is not guaranteed that data being streamed will not get interrupted?

Hazel has just finished adding pictures to her holiday newsletter. she decides to crop an image. what is cropping an image?

What is a loop? a. a collection of function definitions at the top of a program b. a line of code that defines a variable and assigns it a value c. a program that opens the turtle graphics window d. a block of code that repeats a specific number of times