Innovative Rust Programming Language Test - 89+ MCQs: Rust Programming Language Quiz: Test Your Rust Knowledge with Questions and Answers

1. Which Rust data type is used for boolean values?

bool

boolean

truefalse

flag

2. What is the purpose of the 'as' keyword in Rust?

Type conversion

Alias a variable

Assign a value

Define a function

3. What is the ownership system in Rust designed to prevent?

Memory Leaks

Null Pointer Dereferences

Data Races

Buffer Overflows

4. Explain Rust's concept of ownership and borrowing in the context of mutable and immutable references.

Mutable Ownership and Immutable Borrowing

Immutable Ownership and Mutable Borrowing

Shared Ownership and Borrowing

Exclusive Ownership and Shared Borrowing

5. What is the primary purpose of the 'Cow' type in Rust?

Handle ownership of data

Conditional branching

Copy-on-write

Concurrent programming

6. What is the ownership system in Rust, and how does it prevent memory issues?

Borrowing and Lending

Ownership and Borrowing

Loan and Return

Sharing and Copying

7. What are Rust's unsafe blocks, and in what scenarios are they used?

Blocks with No Safety Measures

Explicitly Marked Safe Blocks

Blocks Allowing Mutable Borrowing

Opting Out of Certain Compiler Guarantees

8. Elaborate on Rust's concept of lifetimes and how it avoids dangling references.

Smart Pointer Usage

Static Analysis of Borrowing

Lifetime Annotations

Garbage Collection Mechanism

9. In Rust, how do you print to the standard output?

print()

println()

output()

display()

10. In Rust, what is the role of the 'mod' keyword?

Define a module

Modify a variable

Module import

Module declaration

Rust Programming Language MCQ Test 5