Practice Api Communication And Real-time Data (1.6)

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is an API?
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Think about how software shares data.
Question 2.
Name one popular library for making API requests.
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It starts with 'A' or 'F'.
3Question 3.
What does GraphQL allow clients to do?
- Request any data they need
- Only get predefined data
- Fetch data only once
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Think about its flexibility.
4Question 4.
True or False: WebSockets can provide two-way communication.
- True
- False
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Recall how chats work.
Question 5.
Create a small React application that fetches user data from an API using Axios and displays it, including error handling.
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Remember to handle asynchronous calls properly.
Question 6.
Imagine you are building a live stock price updater. Explain how you would implement this using WebSockets.
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Focus on the real-time aspect and efficiency.

5 more questions in this section. Enroll free to practise them all.