Six Tips to Prepare for the Turing Developer Tests or Tech Stack MCQ Tests (2024)

Let’s look at a few sample questions one by one.

– Sample questions from the React JS stack test

Question 1: Give the following code… class SampleComponent extends React.Component {

handleClick(id) {

//do stuff with id

}

render() {

//…

}

}

What is the correct way to pass the parameter id to handleClick?

Answers (Choose one)

a. <button onClick={() => this.handleClick(id)} />
b. <button onClick={this.handleClick(id)} />
c. <button onClick={this.handleClick.bind(id)} />
d. <button onClick={this.handleClick.bind(this, id)} /> .

Question 2: Which of the following are pointer events that are available in ReactDOM?

Answers (Choose one)

• onPointerTouchMove
• onGotPointerCapture
• onLostPointerCapture
• onPointerTouchUpOutside
• onPointerTouchUpInside

– Sample questions from the React Hooks stack test

Question 1: You are using React Hooks to develop a Turing system. How can you fetch data with it?

Answers (Choose one)

• Call API to fetch data in useState hook
• Using useEffect Hook to fetch data
• Call API in useReducer
• Using useLayoutEffect(() => {…}, []) to fetch data

Question 2: You are a ReactJS developer at Turing. Please point out the correct statement about useState in React Hooks.

Answers (Choose one)

• useState is a Hook that lets you add React state to function components
• argument in useState is the initial state
• useState returns is pair containing the current state and a function to update it
• useState is a function
• All of above

– Sample questions from the Python stack test

Question 1: What is the output of the following Python code snippet?

z=set(‘abc’)

z.add(‘san’)

z.update(set([‘p’, ‘q’]))

print(z)

Answers (Choose one)

• {‘abc’, ‘p’, ‘q’, ‘san’}
• {‘a’, ‘b’, ‘c’, [‘p’, ‘q’], ‘san}
• {‘a’, ‘c’, ‘c’, ‘p’, ‘q’, ‘s’, ‘a’, ‘n’}
• {‘a’, ‘b’, ‘c’, ‘p’, ‘q’, ‘san’}

Question 2: You are a Python developer at Turing. You want to merge two list l1 = [1,2,3,4] l2 = [5,6,7]

Answers (Choose one)

• result = l1 + l2
• result =extend(l1,l2)
• result =l1.extends(l2)
• l1.append(l2)

– Sample questions from the Node JS stack test

Question 1: Which of the following is true about the EventEmitter.on the property?

Answers (Choose one)

• The .on property is used to fire events.
• The .on property is used to bind a function with the event.
• The .on property is used to locate an event handler.
• None of these

Question 2: Although JavaScript is single-threaded, what allows you to perform non-blocking I/O operations by offloading operations to the system kernel whenever possible?

Answers (Choose one)

• REPL
• Timers
• Poll
• Process
• Event Loop

– Sample questions from the Django stack test

Question 1: You are building a Turing system with Django. Following source code urlpatterns = [ url(r’^admin/’, admin.site.urls), url(‘turing/’, include(‘turing.urls’)), url(‘companies/’, include(‘companies.url’)) ] What happening if skipping the trailing/splash?

Answers (Choose one)

• Syntax error
• Django will display 404 page
• Django will match with Turing/ pattern
• None of above

Question 2: Which validator is not the default Password Validators in Django?

Answers (Choose one)

• MinimumLengthValidator
• NumericPasswordValidator
• MaximumLengthValidator
• CommonPasswordValidator

– Sample questions from the DevOps stack test

Question 1: Which Git command changes where the HEAD pointer points and modifies the contents of the working directory?

Answers (Choose one)

• checkout
• merge
• pull
• mv
• none of the above

Question 2: Given the text below: “Whether you think you can or think you can’t – you are right.” — Henry Ford (1863 – 1947) Using the regex pattern you.*n , gives you:

Answers (Choose one)

• you think you can or think you can
• you think you can or think you can’t
• you think you can
• you can or think you can

– Sample questions from the iOS Swift stack test

Question 1: let x: String?? = .some(nil)

let outputX = (x ?? “inner”) ?? “outer”

let y: String?? = nil

let outputY = (y ?? “inner”) ?? “outer”

let string = “\(x) \(y) \(outputX) \(outputY)”

What is the value of a string?

Answers (Choose one)

• nil inner inner
• nil nil inner inner
• Optional(nil) nil inner inner
• Optional(nil) nil outer inner
• error: member ‘some’ in ‘String??’

Question 2: extension CGSize { mutating func scale(by f: CGFloat) { width *= f height *= f } } let s = CGSize(width: 100, height: 100) s.scale(by: 2) s.scale(by: 2) s.width += 100 What is the value of s?

Answers (Choose one)

• (100.0, 100.0)
• (200.0, 200.0)
• (400.0, 400.0)
• (500.0, 400.0)
• Compiler error

– Sample questions from the WPF stack test

Question 1: What is the correct answer about the target of WPF transformations?

Answers (Choose one)

• On skewing
• Only scaling
• Only rotation
• translate
• rotation, scaling and skewing

Question 2: Which of the following is a correct statement about Exception in WPF?

Answers (Choose one)

• Exceptions can transfer the flow of a program from one part to another
• Exceptions should be used as a “last line of defense” for user error.
• You can handle the global exceptions by Application.DispatcherUnhandledException
• All of above

– Sample questions from the Spring Boot stack test

Question 1: Which of the following is not TRUE about Spring Boot Devtools?

Answers (Choose one)

• By default, DevTools applies properties suitable to a development environment.
• Applications using DevTools restart whenever a file on the classpath changes
• The spring-boot-devtools module is automatically disabled if the application runs in production
• The spring-boot-devtools is a tool that monitors the health of a system that contains CPU, RAM, metric… information
• Static resources, including view templates, don’t set off a restart if the LiveReload extension is installed in the browser to interact with the embedded LiveReload server that DevTools contains

Question 2: You are a developer at Turing. You need to register a custom Auto-Configuration. How can you do it?

Answers (Choose one)

• Using @Component annotation. It will auto-load when the application started.
• Using @EnableAutoConfiguration annotation.
• Having auto-configuration class fully-qualified name listed under the EnableAutoConfiguration key in the META-INF/spring.factories file
• All of above

– Sample questions from the Golang stack test

Question 1: Fill in the blanks for lines marked with A and B, to ensure that the printed output is “foo” package main type S struct { m string } func f() *S { return __ // A } func main() { p := __ // B print(p.m) //print “foo” }

Answers (Choose one)

• “foo”, f()
• &S{“foo”}, f()
• *S{“foo”}, f()
• Compilation error

Question 2: Assume x is declared and y is not declared. Which of the following clauses are correct? Choose all the correct answers.

x, _ := f() //A x, _ = f() //B x, y := f() //C x, y = f() //D

Answers (Choose one)

• A
• B
• C
• D

How many tech stack tests can a developer appear for?

• One
• Two to four
• Five to seven
• More than seven

Vote