AWS Certified Solutions Architect – Professional — Question 100

One of the components that is part of ec2-net-utils used with ENI's is ec2ifscan.
Which of the following is not correct about ec2-net-utils?

Answer options

• A. ec2-net-utils generates an interface configuration file suitable for use with DHCP.
• B. ec2-net-utils extends the functionality of the standard if up.
• C. ec2-net-utils detaches a primary network interface from an instance.
• D. ec2-net-utils identifies network interfaces when they are attached, detached, or reattached to a running instance.

Correct answer: C

Explanation

The correct answer is C because ec2-net-utils does not have the capability to detach a primary network interface from an instance; it is primarily designed for interface configuration and management. Options A, B, and D accurately describe the functionalities of ec2-net-utils, including creating configuration files, extending if up, and identifying network interface changes.