Swift Exam Quiz for certificate

Swift skill quiz for certificate: Boost Resume and LinkedIn Profile

Enhance your career with our free Swift skill Quiz. Perfect for boosting your resume and LinkedIn profile, this comprehensive quiz covers essential Swift iOS app Development skills.

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Swift Skill Exam

1 / 20

1. What is the purpose of the `@Published` property wrapper in SwiftUI?

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2 / 20

2. What is the purpose of the `DispatchQueue.main.async` method?

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3 / 20

3. Which of the following is NOT a valid way to create a Combine publisher in Swift?

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4 / 20

4. What is the purpose of a "Combine Scheduler"?

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5 / 20

5. What is the difference between a `struct` and a `class` in Swift?

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6 / 20

6. What is the difference between a `NavigationLink` and a `Sheet` in SwiftUI?

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7 / 20

7. Which of these is NOT a valid HTTP method used in RESTful APIs?

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8 / 20

8. In Swift, which of the following is NOT a valid access control level?

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9 / 20

9. What is the purpose of the `@UIApplicationDelegateAdaptor` property wrapper in SwiftUI?

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10 / 20

10. Which of the following is NOT a valid SwiftUI view modifier?

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11 / 20

11. What is the primary function of the `UICollectionView` class in UIKit?

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12 / 20

12. What is the purpose of the `@escaping` attribute for a closure in Swift?

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13. Which of these is a dependency manager for Swift and Objective-C projects?

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14 / 20

14. What is the difference between `let` and `var` when declaring properties in Swift?

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15 / 20

15. What is the difference between `UserDefaults` and `Keychain` for data storage in iOS?

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16 / 20

16. What is the purpose of the `final` keyword when applied to a class in Swift?

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17. Which concurrency pattern is most suitable for tasks that involve waiting for external events, like network requests or user input?

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18. Which API allows you to fetch data from a remote server in an iOS app?

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19. What is the purpose of a "PreviewProvider" in SwiftUI?

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20. What is the purpose of the `@Binding` property wrapper in SwiftUI?

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Brief About Swift

Swift is a robust and intuitive programming language created by Apple for building apps for iOS, Mac, Apple TV and Apple Watch. It’s designed to give developers more freedom than ever. Swift is easy to use and open source, so anyone with an idea can create something incredible.

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