Which of the following cannot be used in Amazon EC2 to control who has access to specific
Amazon EC2 instances?
A.
Security Groups
B.
IAM System
C.
SSH keys
D.
Windows passwords
Explanation:
http://blogs.aws.amazon.com/security/post/Tx29HCT3ABL7LP3/Resource-level-Permissionsfor-EC2-Controlling-Management-Access-on-Specific-Ins
Security groups are not bound to the user so can’t control “Who”.
I’d take “A”.
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Yep, but You can use it to restrict access from specified IP address.
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Correct referred URL
https://aws.amazon.com/blogs/security/resource-level-permissions-for-ec2-controlling-management-access-on-specific-instances/
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B.
IAM System
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I guess, Question should be “Which of the following CAN be” for correct answer as B- IAM System
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