Select the instatement
A.
In Amazon EC2, the private IP addresses only returned to Amazon EC2 when the instance is stopped or
terminated
B.
In Amazon VPC, an instance retains its private IP addresses when the instance is stopped.
C.
In Amazon VPC, an instance does NOT retain its private IP addresses when the instance is stopped.
D.
In Amazon EC2, the private IP address is associated exclusively with the instance for its lifetime
Question: Select the incorrect statements
Answer:
A. In Amazon EC2, the private IP addresses only returned to Amazon EC2 when the instance is stopped or terminated.
False b/c if you stop the instance, the IP remains assigned
C. In Amazon VPC, an instance does NOT retain its private IP addresses when the instance is stopped.
False b/c if you stop the instance, the IP remains assigned
D. In Amazon EC2, the private IP address is associated exclusively with the instance for its lifetime
False b/c you can move interfaces from one instance to another bringing the IP
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/MultipleIP.html
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Primary private IPv4 addresses, secondary private IPv4 addresses, Elastic IP addresses, and IPv6 addresses remain with the network interface when it is detached from an instance or attached to another instance.
B is True
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-instance-addressing.html#concepts-private-addresses
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For instances launched in a VPC, a private IPv4 address remains associated with the network interface when the instance is stopped and restarted, and is released when the instance is terminated.
Other Helpful Info
For instances launched in EC2-Classic, we release the private IPv4 address when the instance is stopped or terminated. If you restart your stopped instance, it receives a new private IPv4 address.
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Correction
A & C are the answers, listed above
D is True and therefore correct
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html
Although you can’t move the primary network interface from an instance, you can reassign the secondary private IPv4 address of the primary network interface to another network interface.
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Select the incorrect statement.
B.
In Amazon VPC, an instance retains its private IP addresses when the instance is stopped.
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