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What will the following code output?

A: 24 after 5 seconds and after another 5 seconds, another 24
            B: 24 followed by another 24 immediately
            C: 24 immediately and another 24 after 5 seconds
            D: After 5 seconds, 24 and 24
            E: Undefined
            F: NaN
            G: None of these

What does the following Java code output?

Review the following React code:

Pick the correct statements:
            
            A: The code renders 10 INDIAN RUPEE
            B: The code renders 10 SINGAPORE DOLLAR
            C: The code does not render anything and throws an error since JavaScript objects are not valid as React children
            D: When the currency portion is clicked, the parent component is re-rendered
            E: When the currency portion is clicked, parent component will skip the re-render because shouldComponentUpdate returns false
            F: Parent component can be converted to a functional component with memoization (useMemo or memo) to avoid the re-render

One of your friends, Zi Pong created a new app for their startup. They use Amazon S3 exclusively as a data store. The app works perfectly fine. When one of their users raises the frequency at which the app needs to refresh data, they file a bug. The issue is that sometimes they get outdated data when accessing objects in S3. The app logic is correct. What do you think the issue could be?

A: App is reading objects from Amazon S3 using parallel object requests.
            B: App is updating records by writing new objects with unique keys.
            C: App is reading parts of objects from Amazon S3 using a range header.
            D: App is updating records by overwriting existing objects with the same keys.

Your friend Sabrina is interning with a data analytics startup. For their app, they want to be able to automatically inject the instances of the model into their routes. Which of the following would you recommend?

What will the following Python code output?

A startup company E-Motors is building driverless automated cars. The car contains a sensor that checks the road quality for the next N meters to decide the optimal speed at which the cars should move. We are given recorded data by the sensor in the form of an array, where each element of the array is the rating given to 1 meter of the road in sequence. 
            
            The rating given by the sensor is from 1 to 100, where 100 represents the road with the best condition, and any rating above 60 is optimal. Find the longest stretch of road in meters that is categorized as optimal by the sensor.
            
            The input is an array of "strings" which needs to be converted from string to integer/number inside the function.

You are given a dataset to solve a classification problem using a decision tree algorithm. You are concerned about overfitting and decide to implement pruning to control the model's complexity. Consider the following pseudo code for creating the decision tree model:

Which of the following combinations of parameters would result in a less complex decision tree model, reducing the risk of overfitting?
            
            A: max_depth=5, min_samples_split=2, min_samples_leaf=1
            B: max_depth=None, min_samples_split=5, min_samples_leaf=5
            C: max_depth=3, min_samples_split=2, min_samples_leaf=1
            D: max_depth=None, min_samples_split=2, min_samples_leaf=1
            E: max_depth=3, min_samples_split=10, min_samples_leaf=10
            F; max_depth=5, min_samples_split=5, min_samples_leaf=5

Which of the following statements are true regarding the order of output for following Go code:

A. Output will be ordered by values
            B. Output will be ordered by keys
            C. Output will be ordered randomly
            D. Output will be ordered by position in the code

Adaface is developing a new database system called “Helen”. The tester at Adaface developed the following testcase for regression testing:

1. Open Helen
            2. Open “Students” database
            3. Enter data for “Sid”
            4. Set checkpoint
            5. Store “Sid” data in “Students” 
            6. Restart Helen
            7. Read “Sid” data from “Students”
            8. Compare checkpoint with the contents

When the tester ran the testcase the first time, it worked as expected. Pick the correct statements:
            
            A: When the test case is ran the second time, the data entry for “Sid” already exists in the database. 
            B: When the test case is ran the second time, it performs exactly as it did the first time
            C: The testcase is a good example for regression testing “Helen”
            D: The testcase is not a good example for regression testing “Helen” since the system behaves differently when the testcase is ran the second time