aws s3 scenario based interview questions

In this AWS tutorial, we will discuss AWS Interview questions & answers. Ensure your Interview preparation is in a different direction with this set of frequently-asked AWS interview questions that we are presenting you with the detailed answers to.

Scenario-Based AWS Architect Interview Questions
  • You have a webserver on EC2 instance . …
  • What steps will you perform to enable a server in private subnet of a VPC to download updates from the web?
  • How will you build a self-healing AWS architecture ?
  • How will you design an AWS architecture for failure ?

AWS Interview Questions For S3

S3 stands for Simple Storage Service. AWS S3 can be utilized to store and get any amount of data at any time and the best part from anywhere on the web. The payment model for S3 is to pay as you go.

You can send the request by utilizing the AWS SDK or REST API wrapper libraries.

The standard frequency accessed is the default storage class in S3.

Storage class that is accessible in Amazon S3 are:

  • Amazon S3 standard
  • Amazon S3 standard infrequent access
  • Amazon S3 reduced repetition storage
  • Amazon glacier
  • Three different methods will let you encipher the data in S3

  • Server-side encryption – C
  • Server-side encryption – S3
  • Server-side encryption – KMS
  • aws s3 scenario based interview questions

    Following factors are taken under consideration while deciding S3:

  • Transfer of data
  • Storage that is utilized
  • Number of requests made
  • Transfer acceleration
  • Storage management
  • The various types of routing policies available are as follows:

    The maximum size of an S3 bucket is five terabytes.

    Yes, Definitely. Amazon S3 is an international service. Its main objective is to provide an object storage facility through the web interface, and it utilizes the Amazon scalable storage infrastructure to function its global network.

    Here we have listed down some of the essential differences between EBS and S3:

  • EBS is highly scalable, whereas S3 is less scalable.
  • EBS has blocked storage; on the other hand, S3 is object storage.
  • EBS works faster than S3, whereas S3 works slower than EBS.
  • The user can approach EBS only through the given EC2 instance, but S3 can be accessible by anyone. It is a public instance.
  • EBS supports the file system interface, whereas S3 supports the web interface.
  • With the help of these following steps, one can upgrade or downgrade a system with near-zero downtime:

  • Start EC2 console
  • Select the AMI operating system
  • Open an instance with a recent instance type
  • Install the updates
  • Install applications
  • Analyze the instance to check whether it is working
  • If working then expand the new instance and cover it up with the older one
  • After it is extended the system with near-zero downtime can be upgraded and downgraded
  • AMI includes the following:

  • A template for the root volume for the instance
  • Opening permission
  • A block mapping which helps to decide on the capacity to be attached when it gets launched.
  • With the help of these below-mentioned resources, you will know whether the amount you are paying for the resource is accurate or not:

  • Check the top services table: You will find this on the dashboard in the cost management console that will display the top five most used services. This will also demonstrate how much you are paying on the resources in question.
  • Cost explorer: With the help of cost explorer, you can see and check the usage cost for 13 months. Moreover, know the amount of the next three months too.
  • AWS budget: This lets you plan your budget efficiently.
  • Cost allocation tags: Get to view that resource that has cost you more in a particular month. Moreover, organize and track your resource as well.
  • AWS CLI for Linux
  • Putty
  • AWS CLI for Windows
  • AWS CLI for Windows CMD
  • Eclipse
  • EIP stands for Elastic IP address. It is a static Ipv4 address that is provided by AWS to administer dynamic cloud computing services.

    Checkout Other Popular Categories As Well

    AWS Interview Questions For VPC

    VPC stands for Virtual Private cloud. VPC enables you to open AWS resources into the world of virtual networks. With its help, network configuration, as per the users’ business requirements, can be build-up and personalized.

  • Security groups: This plays the role of the firewall for the EC2 instances and helps to control inbound and outbound traffic at the instance grade.
  • Network access control lists: This represents the role of the firewall for the subnets and helps control inbound and outbound traffic at the subnet grade.
  • Flow logs: Flow logs help apprehend incoming and the outbound traffic from the network interfaces in your VPC.
  • One can control VPC by using the following:

  • CloudWatch and CloudWatch logs
  • VPC flow logs
  • One can have up to 200 subnets per VPC

    The list of default tables are as follows:

    One can utilize security groups, network access controls (ACLs), and flow logs to administer your AWS VPC security.

    No. As of now, Amazon VPI does not provide any support for broadcast or multicast process.

    A domain is a collection of data describing a self-contained administrative and technical unit. For example is a domain and a general DNS concept.

    A hosted zone is a container that holds information about how you want to route traffic on the internet for a specific domain. For example is a hosted zone.

    NAT stands for Network Address Translation. NAT enables instances to associate in a private subnet with the help of the internet and other AWS services. Furthermore, NAT prohibits the internet from having a connection with the instances.

    You can build-up up to 100 buckets in each AWS account by default.

    Here are the steps to achieve the set-up for this:

  • Go to PuTTY configuration
  • Log in to category SSH — Auth
  • Allow SSH agent forwarding to your instance.
  • AWS Interview Questions & Answers

    Basically, we have divided the set of interview questions into different categories as mentioned below that can help a fresher/beginner, an experienced professional, AWS Developer, or Admin to crack the interview easily.

  • Basic AWS interview questions and answers
  • General AWS Interview questions and answers
  • Advanced AWS interview questions and answers
  • AWS interview questions and answers for experienced
  • Scenario-based AWS interview questions
  • AWS Interview Questions for Amazon EC2

    The three varieties of EC2 instances based on their cost are:

  • On-demand instance: This comes in a lesser amount but is not recommended for long term use.
  • Spot instance: This is not much expensive and can be purchased through bidding.
  • Reserved instance: This one is recommended for those who are planning to utilize an instance for a year or more.
  • Go through the following steps for secure Amazon EC2 best practice:

  • Utilize AWS identity and access management to control access to your AWS resource.
  • Forbid access by enabling only trusted hosts or networks to access ports on your instance.
  • Analyze the rules in your security groups regularly.
  • Open only permission that you need
  • Stop passport login, for instance, opened from your AMI
  • Here are the steps that will help you restore EC2 instance:

  • Set up an alarm with the help of Amazon CloudWatch
  • In the alarm, go to Define alert and go to the action tab
  • Select recover this instance option
  • FAQ

    What are the interview questions for AWS?

    AWS S3 Interview Questions and Answers for freshers:
    • What do you know about AWS S3? …
    • Explain the S3 bucket. …
    • How do I control the right of entry to an S3 bucket? …
    • Define all types of Storage Classes in AWS S3? …
    • What Is AWS S3 Replication? …
    • How does Elastic Block Store work? …
    • Write down the Differences Between S3 And EBS?

    How do I prepare for AWS interview?

    Basic AWS Interview Questions
    • Define and explain the three basic types of cloud services and the AWS products that are built based on them? …
    • What is the relation between the Availability Zone and Region? …
    • What is auto-scaling? …
    • What is geo-targeting in CloudFront? …
    • What are the steps involved in a CloudFormation Solution?

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