What is the primary use of a stack data structure?

Which method removes the last element from an array in JavaScript?

A). remove()

B). pop()

C). delete()

D). slice()

How do you access the value of a key in a JavaScript object?

A). object(key)

B). object.key

C). object[key]

D). Both b and c

Which function is used to add an element to the end of an array in JavaScript?

A). push()

B). append()

C). insert()

D). add()

How do you create a dictionary in Python?

A). dict = {key1: value1, key2: value2}

B). dict = (key1: value1, key2: value2)

C). dict = [key1: value1, key2: value2]

D). dict =

What is a key characteristic of a hash table?

A). Ordered elements

B). Key-value pairs

C). Fixed size

D). Single value elements

In Python, how do you create a list?

A). list = {1, 2, 3}

B). list = (1, 2, 3)

C). list = [1, 2, 3]

D). list = <1, 2, 3>

What does SQL stand for?

A). Structured Query Language

B). System Query Language

C). Structured Question Language

D). System Question Language

Which of the following is a common example of a complex data type?

A). String

B). Integer

C). Array

D). Boolean

How do you create a set in Python?

A). set = {1, 2, 3}

B). set = (1, 2, 3)

C). set = [1, 2, 3]

D). set = <1, 2, 3>

Which data type in Python is immutable?

A). List

B). Dictionary

C). Set

D). Tuple