Pass-Sure Apple - App-Development-with-Swift-Certified-User New Dumps

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

SectionWeightObjectives
Topic 1: App Design and Best Practices15%- Code organization
  • 1. Readability and maintainability
- User experience principles
  • 1. Human Interface Guidelines
Topic 2: SwiftUI Basics25%- Layout and navigation
  • 1. Navigation patterns and presentation
  • 2. Stacks, grids and alignment
- State management
  • 1. Basic state properties
  • 2. Data flow between views
- Views and controls
  • 1. Modifiers and styling
  • 2. Built-in UI components
Topic 3: Data Handling and Logic15%- Basic data processing
  • 1. Working with strings and numbers
- Error handling
  • 1. Do-catch and optional handling
Topic 4: Development Environment15%- Debugging techniques
  • 1. Logging and error resolution
  • 2. Breakpoints and step-through execution
- Xcode interface and tools
  • 1. Navigating project structure
  • 2. Using documentation and help resources
- Building and running apps
  • 1. iOS Simulator usage
  • 2. Deploying to physical devices
Topic 5: Swift Programming Fundamentals30%- Control flow
  • 1. Conditional statements and loops
  • 2. Switch statements and pattern matching
- Structures and classes
  • 1. Properties, methods and initializers
- Functions
  • 1. Parameter customization and default values
  • 2. Definition, parameters and return values
- Basic types and operators
  • 1. Data types, type inference and casting
  • 2. Constants and variables
- Collection types
  • 1. Arrays, dictionaries and sets

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Apple App Development with Swift Certified User Exam Sample Questions (Q24-Q29):

NEW QUESTION # 24
Review the code snippet.

What will print after the final line of code is executed?

Answer:

Explanation:
Answer the question by typing in the box.
2
Explanation:
This question belongs to Swift Programming Language , specifically the objective on variable scope and shadowing .
The code first declares:
let even = 2
This creates a constant named even in the outer scope with the value 2.
Inside the for loop, the code declares another constant with the same name:
let even = num * 2
This inner even exists only inside the loop body. It shadows the outer even, which means that within the loop, the name even refers to the loop's local constant, not the original one. However, that inner constant goes out of scope at the end of each loop iteration.
After the loop finishes, the inner even no longer exists. So when the final line runs:
print(even)
Swift uses the original outer constant, which is still 2.
So the output is:
2
This question tests two important Swift concepts:
* Scope : where a variable or constant can be accessed
* Shadowing : when a local declaration temporarily hides another declaration with the same name Therefore, the correct answer is 2 .


NEW QUESTION # 25
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?

Answer: A

Explanation:
This question belongs to Swift Programming Language , specifically the objective on managing data using collection types , including dictionaries and arrays . In the dictionary shown, the emojis are the keys and the text descriptions are the values . Swift provides a keys property on dictionaries that returns a collection containing all dictionary keys. To convert that keys collection into an array, you use the Array(...) initializer.
Therefore, the correct code is let emojis = Array(faces.keys). Apple documents both the Dictionary.keys property and the Array type used to store a sequence of values of the same type.
Option B is incorrect because faces.values would return the descriptions like " grinning " , " thinking " , and " happy " , not the emoji keys. Options A and C are incorrect because List is a SwiftUI view type, not the correct collection type for creating an array from dictionary contents. Also, the dictionary interface uses properties like .keys and .values, not method calls like .keys() or .values(). Apple's dictionary documentation makes clear that keys is a property returning a collection of the dictionary's keys.


NEW QUESTION # 26
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.

Answer:

Explanation:

Explanation:

This question belongs to Xcode Developer Tools , specifically the objective on using debugging techniques including breakpoints, watchpoints, and logging to resolve errors . A watchpoint monitors a variable or memory location during a debugging session, so you first need the program to stop while being debugged.
That is why the correct order begins with setting a breakpoint and then running the code so execution pauses at a useful point. Apple's debugging guidance describes debugging as something done at runtime using the debugger, and LLDB's watchpoint documentation explains that watchpoints are part of the debugger workflow rather than something you set before the program is stopped.
Once execution is paused, you use the debug area to inspect the current variables. After locating the variable you want to monitor, you right-click the variable and select Watch to create the watchpoint. This sequence is consistent with how Xcode and LLDB expose watchpoint functionality during an active debug session.
LLDB also describes watchpoints as objects you create to stop execution when a watched value changes, which only makes sense after the debugger has access to the running program state.


NEW QUESTION # 27
Which code correctly creates a size 300 rectangular Image View with rounded corners that displays the entire image, regardless of size?

Answer: B

Explanation:
This question belongs to View Building with SwiftUI , specifically the objective on positioning and laying out a single SwiftUI view with standard views and modifiers.
The correct answer is D because it uses the right combination of SwiftUI image modifiers for all three requirements:
* the image is made resizable with .resizable()
* it is given rounded corners with .clipShape(RoundedRectangle(cornerRadius: 50))
* it displays the entire image with .aspectRatio(contentMode: .fit)
* it is sized with .frame(width: 300)
The key part is .aspectRatio(contentMode: .fit) . In SwiftUI, .fit scales the image so the whole image remains visible inside the available frame. That matches the requirement "displays the entire image, regardless of size." By contrast, .fill may crop part of the image, so options using .fill do not satisfy the requirement.
Why the others are wrong:
* Option A uses .fill, so the full image may not remain visible.
* Option B uses invalid modifiers such as .sizablc() and .size(width: 300), and also uses Rectangle (cornerRadius: 50), which is not the correct rounded-rectangle shape syntax.
* Option C also uses invalid syntax and .fill, which can crop the image.
* Option D uses valid SwiftUI syntax and the correct content mode.
So the correct choice is D , because it is the only option that correctly creates a 300-width image with rounded corners while ensuring the entire image is shown.


NEW QUESTION # 28
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.)

Answer: A,B


NEW QUESTION # 29
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