C# Programming · all questions

LINQ (Language
practice.

Practice every MCQ with options. Use Show answers when you want the correct option and solution.

85

Questions

2/5

Page

Pick an option on a question to see the right answer and solution.

Q21

What is the purpose of the TakeWhile operator in LINQ?

Select an option to see the answer and solution.

Q22

In LINQ, what does the All operator do?

Select an option to see the answer and solution.

Q23

Which LINQ operator is used to perform a right outer join between two sequences based on matching keys?

Select an option to see the answer and solution.

Q24

What is the purpose of the SkipWhile operator in LINQ?

Select an option to see the answer and solution.

Q25

In LINQ, what does the Aggregate operator do?

Select an option to see the answer and solution.

Q26

What is the purpose of the AsEnumerable operator in LINQ?

Select an option to see the answer and solution.

Q27

Which LINQ operator is used to return elements from the first sequence that are not present in the second sequence?

Select an option to see the answer and solution.

Q28

What is the purpose of the Reverse operator in LINQ?

Select an option to see the answer and solution.

Q29

In LINQ, what does the ElementAt operator do?

Select an option to see the answer and solution.

Q30

Which LINQ operator is used to remove duplicate elements from a sequence?

Select an option to see the answer and solution.

Q31

What is the purpose of the OfType operator in LINQ?

Select an option to see the answer and solution.

Q32

Which LINQ operator is used to return elements from the first sequence that are also present in the second sequence?

Select an option to see the answer and solution.

Q33

In LINQ, what does the DistinctBy operator do?

Select an option to see the answer and solution.

Q34

What is the purpose of the DefaultIfEmpty operator in LINQ?

Select an option to see the answer and solution.

Q35

Which LINQ operator is used to return elements from a sequence until a specified condition becomes true?

Select an option to see the answer and solution.

Q36

In LINQ, what does the SingleOrDefault operator do?

Select an option to see the answer and solution.

Q37

What is the purpose of the AsQueryable operator in LINQ?

Select an option to see the answer and solution.

Q38

Which LINQ operator is used to return elements from a sequence after a specified condition becomes true?

Select an option to see the answer and solution.

Q39

In LINQ, what does the LastOrDefault operator do?

Select an option to see the answer and solution.

Q40

What is the purpose of the Except operator in LINQ?

Select an option to see the answer and solution.

Prev 1 2 3 4 Next