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What is the purpose of a default case in a switch statement?

It's used to specify the condition for the switch statement.

It's used to end the switch statement.

It's used to execute a block of code if no case matches the expression.

What happens if a break statement (or alternative keyword that prevents "fall-through") is omitted in a switch case?

The default case will execute.

The impacted case sections will be removed by the compiler.

The compiler will generate an error.

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