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Apple App-Development-with-Swift-Certified-User Exam Syllabus Topics:

Apple App Development with Swift Certified User Sample Questions:

1.
Which two assignments of a value to direction are allowed? (Choose 2.)

A) direction = CompassPoint.north
B) direction = .north
C) direction = north
D) direction = direction.north
E) direction = CompassPoint(north)

2. What is the code snippet an example of?

A) Force unwrapping
B) Implicitly unwrapped optional
C) Optional binding
D) Optional chaining

3. Review the code snippet.

What is the value of answer after you run the code?

4. Review the code:

Given a struct called Animal, what line of code should be added on line 5 in order to produce the output shown?

A) Text(Animal.name)
B) Text(animal.name)
C) Text(animals[animal].name)
D) Text(Animals[animal].name)

5. Given the function, which two function calls are valid? (Choose 2.)

A) let Sun - rightSum(numl: 100, by: SO, and: SO)
B) let sum r\ ght5um(100, by: 50)
C) let sum - rightSum(100, by: 30, and: 20)
D) let sum = rightSum(100, num2: SO, and: 20)
E) let sun = rightSum(numl: 100, num2: 50)

Solutions: