Final graded quiz: Programming fundamentals :Programming Fundamentals in Swift (Meta iOS Developer Professional Certificate) Answers 2026

Question 1

Which of the following keywords creates a reference type?

❌ array
❌ struct
✅ class
❌ tupple

Question 2

Which of the following would be inferred as a Bool by Swift?

❌ 100
❌ “Hello”
✅ False

Question 3

Which of the following type is the number 5.6 automatically inferred to in Swift?

❌ Integer
✅ Double

Question 4

You can use an “if” statement for optional binding.

✅ True
❌ False

Question 5

Which of the following type of brackets are used to declare an array literal?

❌ ( )
✅ [ ]
❌ { }

Question 6

Which of the following is the way in which you can call this function?

❌ hiThere(firstName:”John”, secondName:”Smith”)
✅ hiThere(firstName:”John”, “Smith”)

Question 7

You can declare an array of strings type as [String].

✅ True
❌ False

Question 8

Functions must always store a return value in a variable when called.

❌ True
✅ False

Question 9

Closures must always use the in keyword in their definition.

❌ True
✅ False

Question 10

Which of the following is a dictionary literal?

❌ (“A”:true, “B”:false, “C”:true, “D”:false)
✅ [“A”:true, “B”:false, “C”:true, “D”:false]
❌ {“A”:true, “B”:false, “C”:true, “D”:false}

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