What is a valid way to start a variable name in Rust?
Rust Programming 2023 - A Comprehensive Course for Beginners - What Are Variables in Rust

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Information Technology (IT), Architecture
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
With a number
With a letter or underscore
With a special character
With a space
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does Rust treat variables with different cases?
They are automatically converted to uppercase
They are automatically converted to lowercase
They are considered different
They are considered the same
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Rust, how are data types typically applied to variables?
They are always signed
They are always unsigned
They are inferred from the assigned value
They must be declared explicitly
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for a variable to be immutable in Rust?
It is always a string
It cannot be changed after initialization
It can be changed after initialization
It is automatically deleted after use
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which keyword is used to make a variable mutable in Rust?
change
var
let
mut
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens if you try to change an immutable variable in Rust?
The variable changes successfully
The program runs without errors
An error occurs
The variable is deleted
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the provided example, what is the initial value of the variable X?
0
5
6
10
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