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

3. What is the code snippet an example of?

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

4. Review the code.
Note: You might need to scroll to see the entire block of code.

A breakpoint is set on line 3. When the application is run. it will stop at line 3. You need to debug the code.
Drag each debugging control from the left to the correct instruction on the right. You will receive partial credit for each correct answer

5. Given the function definition, which two statements call the function correctly? (Choose 2.)

Based on the image provided, here is the text for each of the multiple-choice options:

A) schedule(who name: " Jane Doe " , from starting: " 9:30am " , to ending: " 10:30am " )
B) schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " , place: " Office " )
C) E. schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " )
D) D. schedule(name: " Jane Doe " , starting: " 9:30am " , ending: " 10:30am " , place: " Office " )
E) schedule(who: " Jane Doe " , from: " 9:30am " , to: " 10:30am " , " Office " )

Solutions: