What does this Terraform code do?

Question

Consider the following block of code:

```
resource "aws_instance" "web" {
  count = var.high_availability ? 3 : 1
  
  tags = {
    Name = count.index == 0 ? "web-primary" : "web-secondary-${count.index}"
  }
}
```

Which statement(s) about this code are true? (choose 2 answers)

Accepted Answer

The first instance will always have the tag `"web-primary"`.

Accepted Answer

The number of instances created depends on the value of `var.high_availability`.

Answer

It will use a for_each loop to create the instances

Answer

The second instance will always have the tag `"web-secondary-0"`.

Answer

It will always create 3 EC2 instances

Question from the Terraform : certification training test

What does this Terraform code do?