A User Wants to Create a Public Subnet in VPC

question 658

Multiple Choice

A user wants to create a public subnet in VPC and launch an EC2 instance within it. The user has not selected the option to assign a public IP address while launching the instance. Which of the below mentioned statements is true with respect to this scenario?

• A) The instance will always have a public DNS attached to the instance by default
• B) The user would need to create a default route to IGW in subnet's route table and then attach an elastic IP to the instance to connect from the internet
• C) The user can directly attach an elastic IP to the instance
• D) The instance will never launch if the public IP is not assigned

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Definitions:

Null Hypothesis

A default statement in hypothesis testing that assumes no effect, difference, or relationship exists between groups or variables.

Confidence Interval

A continuum of values from statistical sample analyses, speculated to contain the value of a population parameter that is not known.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain characteristics of a population or data set.

Level Of Significance

The probability criterion used for rejecting the null hypothesis, a critical boundary for determining statistical significance in testing.