Which of the following is not an attribute associated with the Elastic Network Interface

Answer options:

A.NACL
B.Security Groups
C.MAC address
D.source/destination check flag

Answer - A
A network interface can include the following attributes:
A primary private IPv4 address
One or more secondary private IPv4 addresses
One Elastic IP address (IPv4) per private IPv4 address
One public IPv4 address
One or more IPv6 addresses
One or more security groups
A MAC address
A source/destination check flag
A description
For more information on the Elastic Network Interface, please visit the below link:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html