Amazon Web Services (AWS)

AWS: EC2 Instance Storage

Table of Contents

Q1. Which EC2 Storage would you use to create a shared network file system for your EC2 Instances?

EFS (Amazon EFS is a fully managed service that makes it easy to set up, scale, and cost-optimize file storage in the Amazon Cloud.)

Q2. What are AMIs NOT used for?

Add your own IP addresses (You cannot use AMIs to add your IP addresses. IP addresses are added to an instance as you create it.)

Q3. EBS Volumes CANNOT be attached to multiple EC2 instances at a time.

True (EBS Volumes can be attached to only one EC2 Instance at a time, but EC2 Instances can have multiple EBS Volumes attached to them.)

Q4. An EBS Volume is a network drive you can attach to your instances while they run, so your instances’ data persist even after their termination.

True (EBS Volumes allows instances’ data to persist even after their termination.)

Q5. Which statement is CORRECT regarding EC2 Instance Store?

It has a better I/O performance, but the data is lost if the EC2 Instance is terminated (EC2 Instance Store has a better I/O performance, but data is lost if: the EC2 instance is stopped or terminated, or when the underlying disk drive fails.)

Q6. What is an EBS Snapshot?

A backup of your EBS Volume at a point in time (EBS Snapshots are used to backup data on your EBS Volumes at a point in time.)

Q7. Where can you find a third party’s AMI so you can use it to launch your EC2 Instance?

AWS Marketplace AMIs (You can use AWS Marketplace AMIs to use someone else’s AMI.)

Q8. What is an EBS Volume tied to?

An availability zone (EBS Volumes are tied to only one availability zone.)

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