Exam AWS Certified Solutions Architect - Professional topic 1 question 327 discussion

Exam question from Amazon's AWS Certified Solutions Architect - Professional

Question #: 327
Topic #: 1

[All AWS Certified Solutions Architect - Professional Questions]

An elastic network interface (ENI) is a virtual network interface that you can attach to an instance in a VPC. An ENI can include one public IP address, which can be auto-assigned to the elastic network interface for eth0 when you launch an instance, but only when you_____.

A. create an elastic network interface for eth1
B. include a MAC address
C. use an existing network interface
D. create an elastic network interface for eth0

Show Suggested Answer

Suggested Answer: D 🗳️
An elastic network interface (ENI) is defined as a virtual network interface that you can attach to an instance in a VPC and can include one public IP address, which can be auto-assigned to the elastic network interface for eth0 when you launch an instance, but only when you create an elastic network interface for eth0 instead of using an existing network interface.
Reference:
http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html

by newme at Dec. 3, 2020, 12:07 a.m.

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SkyZeroZx

1 year, 11 months ago

Selected Answer: D

D "create an elastic network interface for eth0" is the default action when creating an EC2 instance.

upvoted 1 times

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newme

3 years, 8 months ago

What does D mean? I think only when subnet is configured auto-assign public ip, the primary ENI will have public ip when an instance is launched.

upvoted 1 times

01037

3 years, 8 months ago

D "create an elastic network interface for eth0" is the default action when creating an EC2 instance. If changed to use an exsiting ENI for eth0, or add a new network interface, public IP won't be auto assigned.

upvoted 2 times

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