Question Bank

721 approved questions from the community

Which of the following are benefits of TypeScript with React? (Select all that apply)

HARD
MULTIPLE CHOICE
45s
React
by Mohamed

Why does calling a function repeatedly with a mutable default argument (like []) cause unexpected behavior?

HARD
SINGLE CHOICE
40s
Python
by Mohamed

What is a metaclass in Python?

HARD
SINGLE CHOICE
45s
Python
by Mohamed

What is Method Resolution Order (MRO) in Python?

HARD
SINGLE CHOICE
40s
Python
by Mohamed

Which of the following statements about Python's memory management are true? (Select all that apply)

HARD
MULTIPLE CHOICE
50s
Python
by Mohamed

Why are only immutable objects hashable and usable as dictionary keys or set elements?

HARD
SINGLE CHOICE
40s
Python
by Mohamed

Python 3.11+ introduced the Specializing Adaptive Interpreter. What is its primary benefit?

HARD
SINGLE CHOICE
45s
Python
by Mohamed

In Python's compilation steps, what happens during the Semantic Analysis phase?

HARD
SINGLE CHOICE
40s
Python
by Mohamed

What is the purpose of Python's Generational Garbage Collector?

HARD
SINGLE CHOICE
45s
Python
by Mohamed

How can Node.js utilize all CPUs on a multi-core system?

HARD
SINGLE CHOICE
40s
Nodejs
by Mohamed

What are the three parts of a JWT token?

HARD
SINGLE CHOICE
35s
Nodejs
by Mohamed

What are the components of the Reactor Pattern?

HARD
SINGLE CHOICE
40s
Nodejs
by Mohamed

How does the cluster module distribute load?

HARD
SINGLE CHOICE
40s
Nodejs
by Mohamed

What is the difference between dependencies and devDependencies?

HARD
SINGLE CHOICE
35s
Nodejs
by Mohamed

How to generate and verify a checksum in Node.js?

HARD
SINGLE CHOICE
40s
Nodejs
by Mohamed

What is the difference between setImmediate() and setTimeout(fn, 0)?

HARD
SINGLE CHOICE
40s
Nodejs
by Mohamed

What happens if you don't call next() in Express middleware?

HARD
SINGLE CHOICE
35s
Nodejs
by Mohamed

How can you prevent callback hell in Node.js applications?

HARD
SINGLE CHOICE
40s
Nodejs
by Mohamed

Which are best practices for Node.js application development? (Select all that apply)

HARD
MULTIPLE CHOICE
50s
Nodejs
by Mohamed

Which npm commands are used to manage dependencies? (Select all that apply)

HARD
MULTIPLE CHOICE
40s
Nodejs
by Mohamed
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