AWS Certified Advanced Networking – Specialty (ANS-C00) — Question 158

Which statement about Elastic IP addresses is incorrect?

Answer options

• A. Additional EIPs associated with one instance incur a charge.
• B. Once an EIP is associated with an instance, you must manually change the hostname if you want it to match.
• C. Once you associate an EIP with an instance, the original public IP is released.
• D. Disassociated EIPs incur a charge.

Correct answer: B

Explanation

The correct answer is B because an Elastic IP's association does not require a manual hostname change as DNS can handle this automatically. Options A, C, and D are accurate statements regarding Elastic IPs and their billing practices.