What is the main advantage of using promise chaining over traditional promise handling?
Promise Chaining Challenge

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Information Technology (IT), Architecture
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It reduces the complexity of nested callbacks.
It eliminates the need for error handling.
It allows for synchronous code execution.
It increases the speed of asynchronous operations.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the basic promise setup, what is used to simulate an asynchronous delay?
setTimeout
setImmediate
setInterval
setAsync
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key problem with nesting promises?
It requires more memory.
It makes the code run slower.
It leads to more complex and harder-to-read code.
It prevents error handling.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does promise chaining improve code readability?
By using fewer lines of code.
By allowing multiple promises to be handled in a single line.
By eliminating the need for comments.
By avoiding nested callbacks and keeping the code flat.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of returning a promise from a 'then' callback?
To convert the promise to a synchronous operation.
To stop the execution of further promises.
To handle errors in the promise chain.
To allow chaining of another 'then' call.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the Mongoose example, what operation is performed after updating a user's age?
Fetching all users with a different age.
Counting all users with the same age.
Deleting the user.
Resetting the user's age.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Mongoose method is used to count documents in the example?
aggregate
count
find
countDocuments
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