IDNLearn.com: Your reliable source for finding precise answers. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.

What issue might you be experiencing if you encounter the message "unable to get IAM security credentials from EC2 instance metadata service"?
A. Instance metadata service is not running
B. Incorrect IAM role attached to the EC2 instance
C. Network connectivity issues
D. Incorrect instance type selected