Exam FCP_WCS_AD-7.4 topic 1 question 28 discussion

Actual exam question from Fortinet's FCP_WCS_AD-7.4

Question #: 28
Topic #: 1

An administrator needs to attach an Elastic Network Interface (ENI) to an application instance in a VPC with multiple availability zones. An instance runs in availability zone 1.
Which ENI property must the administrator consider when implementing this requirement?

A. An ENI cannot attach to an instance in availability zone 2.
B. After the ENI detaches from one instance, it can reattach only to the same instance.
C. You can detach the primary ENI from an AWS instance.
D. When you move an ENI, network traffic remains directed to the old instance until you terminate that instance.

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Suggested Answer: A 🗳️

by 28b0b81 at Aug. 16, 2024, 4:35 p.m.

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myrmidon3

7 months, 3 weeks ago

Selected Answer: A

A. An ENI cannot attach to an instance in availability zone 2. An Elastic Network Interface (ENI) is specific to a particular availability zone (AZ). You cannot attach an ENI from one AZ to an instance in another AZ. If an instance is running in availability zone 1, you must use an ENI from the same availability zone. Other options are not accurate: B: After detaching, an ENI can reattach to any instance within the same AZ, not just the original instance. C: The primary ENI of an instance cannot be detached; only secondary ENIs can be detached and reattached. D: Once you move an ENI, traffic is redirected to the new instance immediately, not remaining with the old instance.

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28b0b81

9 months, 3 weeks ago

A is correct. study guide 7.4 page 46

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