AWS Solutions Architect Quiz 2 🎓 (S3, EC2, EBS)
Published: 2021-03-15 14:59:32

The AWS solutions architect certification shows that you can use AWS services to solve software engineering problems and understand core best practices of the industry. In this article, I will quiz you on three sections from the material required for the exam: S3, EC2, EBS.

![](https://cdn-images-1.medium.com/max/4000/1*gbCXIs0LFqnqkfpDe0HFtQ.png)

I will now briefly state some key facts about each AWS service, and then provide some example questions for the exam.

N.B: The following information on its own will not be enough to answer the questions.

### [S3](https://aws.amazon.com/s3/)

The S3 service allows you to store data on the AWS Cloud in the form of binary objects in a bucket. It is also useful to know:

* Objects stored in buckets can be accessed over HTTP/S

* Objects are automatically replicated on multiple devices within a region

* Buckets can contain an unlimited number of objects but the objects have a 5TB max size

* Bucket operations are eventually consistent

* Buckets can be shared between accounts using the IAM principal in the policy

* Buckets can be configured for static website hosting

* Buckets have different Storage classes (Standard, Standard-InfrequentAccess, Reduced Redundancy Storage, Glacier Storage)

* Object lifecycle management can be configured for buckets

* Objects can be encrypted in various ways (ServerSideEncryption-S3, SSE-KMS, SSE-C, ClientSideEncrpytion)

* Objects in a bucket can be versioned

* Buckets can be configured to send notifications of events to other services (SNS, SQS, Lambda)

### [EC2](https://aws.amazon.com/ec2/)

The EC2 service allows you to compute with various machines on AWS Cloud. It is also useful to know:

* EC2 machines are configurable on the number of Virtual CPUs, Memory, Storage, and Network performance

* Optimised instance types are the different instance family types: M4 balanced, C4 compute, R3 memory, I2 storage, G2 GPU

* An AmazonMachineImage AMI is an image for the EC2 machine including the operating system, and possibly applications

* Security Groups are virtual firewalls for your EC2 instance network traffic

* EC2 pricing comes in: on-demand, reserved (all upfront, partial upfront, no upfront), and spot instances

### [EBS](https://aws.amazon.com/ebs/?ebs-whats-new.sort-by=item.additionalFields.postDateTime&ebs-whats-new.sort-order=desc)

The Elastic Block Store service allows you attach persists instance block storage for EC2. It is also useful to know:

* EBS volumes are automatically replicated in the Availability Zone

* Volumes can be attached to one instance at a time

* Different EBS volume types include Throughput-Optimized HDD and Cold HDD, general purpose SSD, provisioned IOPs SSD

* EBS volumes can be Snapshots to s3 with incremental backups

* Encryption of EBS volumes is performed with KMS



The quiz can also be accessed in full size [here](https://forms.gle/nWvj3LuTWjjk312Q7). These questions were sourced from multiple locations (mainly the [certification sample test](https://d1.awsstatic.com/training-and-certification/docs-sa-assoc/AWS-Certified-Solutions-Architect-Associate_Sample-Questions_v4.0_FINAL.pdf)) over a long period of time.

## Thanks For Reading

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We hope to cover the rest of the topics with similar articles very soon ⭐

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