Answer with an explanation. Thank you

1-4 Short Answer: Data Abstraction [6 points 1. If you are given an interface for an ADT, but not an actual source file, how well can you program against it? (Hint: there is a type of methods that cannot be specified in an interface.) 12 points) comes to performance (not functionality), is it important to know how an ADT is internally implemented? [2 pointsl 3. Would it be safer (more secure/reliable) to expose an mutable or immutable type to an unknown 3rd party library? Explain. [2 points