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Apple App Development with Swift Certified User Sample Questions:

1. 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, num2: 50)
D) let sum = rightSum(100, num2: SO, and: 20)
E) let Sun - rightSum(numl: 100, by: SO, and: SO)

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

3. 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

4. Review the code.
var capitalCities = [ " USA " : " Washington D.C. " , " Spain " : " Madrid " , " Peru " : " Lima " ] Which two statements add the capital city of " Italy " to the dictionary? (Choose 2.)

A) capitalCities[ " Italy " ] = " Rome "
B) capitalCities = capitalCities + [ " Italy " : " Rome " ]
C) capitalCities.append([ " Italy " : " Rome " ])
D) capitalCities[ " Rome " ] = " Italy "
E) capitalCities.updateValue( " Rome " , forKey: " Italy " )

5. When you press ' Show Button ' on your app. a modal View appears.
Complete the code by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct answer.

Solutions: