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

Apple App Development with Swift Certified User Sample Questions:

1. You need to create a Watchpoint in Xcode. In which order should you complete the actions? Move all the actions to the answer area and place them in the correct order.

2. Review the code snippet.

The " faces " dictionary contains emojis and their descriptions.
Which code will create an array named " emo)is " that will copy all the emojis from the " faces " dictionary?

A) let emojis - List(faces.koys())
B) let emojis List(faces.values())
C) let emojis = Array(faces.keys)
D) let emojis - Array(faces.values)

3. What is the code snippet an example of?

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

4. Review the code snippet.

What value does the code output?

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

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

Solutions: