Friday, November 25, 2022

How To Prepare For Aws Interview

Don't Miss

Bonus Tips To Crack Amazon On

How to Prepare For AWS Interview | AWS Interview Questions and Answers | How To Get AWS Job

In addition to the previous Amazon on-site interview preparation tips, here are some bonus hacks to keep in mind:

  • Have commendable working knowledge in a programming language of your choice. Amazon prefers to conduct interviews in Object-oriented Programming Languages â Python/C++/Java/Ruby. So make sure youâre proficient with any one of them.
  • It is common to encounter questions around Graphs, Trees, Bridges, Graph Algorithms, and Dynamic Programming. Traversal algorithms are popular in tech interviews, including Depth-First Search and Breadth-First Search. You must also understand how certain Graph algorithms function and apply them to find solutions to complex and tricky problems. Some algorithms to study include Prim, Kruskal, Dijkstra, and Floyd Warshall. Note that youâre also required to know how to calculate space and time complexities for your code.
  • Amazon lays strong emphasis on Systems Design questions. More so than other tier-1 companies. Youâre usually given an abstract system that youâll have to design.
  • In Amazon, there is an increased focus on behavioral interviews for mid and senior management positions. As such, candidates appearing for any engineering position will have to go through the Bar Raiser round, where theyâre tested against .
  • Amazon prefers that candidates use the STAR interview technique to answer behavioral questions.
  • Related read: To know more about STAR technique and answer open-ended behavioral questions, head to this post.

    Do Include Leadership Principles In Your Amazon Interview Preparation

    Amazon has a distinct and peculiar culture that the company has forged over the last 20+ years. While 20 years is not old for a huge multinational business, Amazon managed to get incredibly set in its ways. They believe that their culture is the ultimate secret sauce that drives all other elements of business success. Therefore, an Amazon Interview is a vehicle to establish your cultural fit for the business. For non-technical roles, this is the most critical part of your application process.

    Here is a particular caution to those interviewing for technical roles. I’ve seen enough questions on social media from SW and BI candidates wondering how critical non-technical assessment is compared to Coding and System Design rounds. My guidance is to treat non-technical evaluation with the same focus and preparation because it is equally as important. In the same Social Media channels, I’ve seen way too many posts from unsuccessful candidates in an Amazon Interview suggesting that they did not do a great job on LPs. If you’re interviewing for a tech role, try to avoid finding yourself in this situation.

    Where do you find information about Amazon’s Leadership Principles? First, study , Amazon’s own recruitment website. Then, go through this resource with a fine-tooth comb and soak in every bit of information that it contains.

    Is It Possible To Use Amazon S3 With Ec2 Instances Please Elaborate

    Yes, it is possible to use Amazon S3 with EC2 instances. It can be used for instances with root devices backed by the local instance storage. Amazon provides an array of tools to load the AMIs into Amazon S3 and to move them amongst Amazon S3 and Amazon EC2 instances.

    With , AWS developers enjoy accessing the same highly fast, reliable, inexpensive, and scalable data storage infrastructure used by Amazon to operate its very own global network of websites and services.

    Don’t Miss: Questions To Ask A Cfo

    What Book Do You Suggest Reading For Cloud Computing

    Some of the most resourceful books that a cloud architect can refer to for gaining in-depth knowledge related to cloud computing and cloud architecting include:

  • Designing Data-Intensive Applications, by Martin Kleppmann
  • Designing Distributed Systems, by Brendan Burns
  • Kubernetes Patterns: Reusable Components for Designing Cloud-Native Applications, by Bilgin Ibryam & Roland Hub
  • Kubernetes Patterns: Reusable Components for Designing Cloud-Native Applications
  • The Phoenix Project, by Gene Kim, Kevin Behr, and George Spafford
  • What Are The Consistency Models In Dynamodb

    AWS Interview Questions And Answers

    There are two consistency models In DynamoDB. First, there is the Eventual Consistency Model, which maximizes your read throughput. However, it might not reflect the results of a recently completed write. Fortunately, all the copies of data usually reach consistency within a second. The second model is called the Strong Consistency Model. This model has a delay in writing the data, but it guarantees that you will always see the updated data every time you read it.

    You May Like: What Should Females Wear To A Job Interview

    How To Pass An Amazon Aws Job Interview

    The following interview tips are applicable for all Amazon AWS job positions. Please make sure you study the tips carefully and then apply them during your preparation:

    TIP #1 There is a strong possibility you will be asked three different types of interview question during your Amazon AWS interview. These are as follows:

    • AWS technical-related interview questions

    Your Companys Branch Offices Are All Over The World They Use A Software With A Multi

    The task is to run an hourly batch process and read data from every region to compute cross-regional reports which will be distributed to all the branches. This should be done in the shortest time possible. How will you build the DB architecture in order to meet the requirements?

  • For each regional deployment, use RDS MySQL with a master in the region and a read replica in the HQ region
  • For each regional deployment, use MySQL on EC2 with a master in the region and send hourly EBS snapshots to the HQ region
  • For each regional deployment, use RDS MySQL with a master in the region and send hourly RDS snapshots to the HQ region
  • For each regional deployment, use MySQL on EC2 with a master in the region and use S3 to copy data files hourly to the HQ region
  • Answer A.

    Explanation: For this we will take an RDS instance as a master, because it will manage our database for us and since we have to read from every region, well put a read replica of this instance in every region where the data has to be read from. Option C is not correct since putting a read replica would be more efficient than putting a snapshot, a read replica can be promoted if needed to an independent DB instance, but with a Db snapshot it becomes mandatory to launch a separate DB Instance.

    Also Check: Best System Design Interview Prep

    What Does Connection Draining Do

  • Terminates instances which are not in use.
  • Re-routes traffic from instances which are to be updated or failed a health check.
  • Re-routes traffic from instances which have more workload to instances which have less workload.
  • Drains all the connections from an instance, with one click.
  • Answer B.

    Explanation: Connection draining is a service under ELB which constantly monitors the health of the instances. If any instance fails a health check or if any instance has to be patched with a software update, it pulls all the traffic from that instance and re routes them to other instances.

    What Is The Difference Between Latency Based Routing And Geo Dns

    AWS EMEA – How to Get Prepared for an Interview at AWS

    The Geo Based DNS routing takes decisions based on the geographic location of the request. Whereas, the Latency Based Routing utilizes latency measurements between networks and AWS data centers. Latency Based Routing is used when you want to give your customers the lowest latency possible. On the other hand, Geo Based routing is used when you want to direct the customer to different websites based on the country or region they are browsing from.

    You May Like: Cfo Interview

    How Can You Add An Existing Instance To A New Auto Scaling Group

    Heres how you can add an existing instance to a new Auto Scaling group:

    • Open EC2 console
    • Select your instance under Instances
    • Choose Actions -> Instance Settings -> Attach to Auto Scaling Group
    • Select a new Auto Scaling group
    • Attach this group to the Instance
    • Edit the Instance if needed
    • Once done, you can successfully add the instance to a new Auto Scaling group

    If You Don’t Have Experience Yet Clubs And Societies Can Set You Apart

    If you don’t have direct experience yet, think about how to stand out and demonstrate the skills Amazon looks for, Grace Acquah, regional lead EMEA student programs, campus attraction, and engagement, said.

    “List any sort of clubs or societies that you’re part of that could really demonstrate good leadership, teamwork and skills that could be applied in the world of work,” Acquah said. That could include volunteering.

    Don’t Miss: Interview With Cfo

    Which Instance Type Can Be Used For Deploying A 4 Node Cluster Of Hadoop In Aws

    While the c4.8xlarge instance will be preferred for the master machine, the i2.large instance seems fit for the slave machine. Another way is to launch the Amazon EMR instance that automatically configures the servers.

    Hence, you need not deal with manually configuring the instance and installing Hadoop cluster while using Amazon EMR instance. Simply dump the data to be processed in S3. EMR picks it up from there, processes the same, and then dumps it back into S3.

    How Can I Load My Data To Amazon Redshift From Different Data Sources Like Amazon Rds Amazon Dynamodb And Amazon Ec2

    AWS SysOps Interview Questions and Answers 2021

    You can load the data in the following two ways:

    • You can use the COPY command to load data in parallel directly to Amazon Redshift from Amazon EMR, Amazon DynamoDB, or any SSH-enabled host.
    • AWS Data Pipeline provides a high performance, reliable, fault tolerant solution to load data from a variety of AWS data sources. You can use AWS Data Pipeline to specify the data source, desired data transformations, and then execute a pre-written import script to load your data into Amazon Redshift.

    Don’t Miss: Mailscoop Io

    How Long Does The Amazon Interview Process Take

    The Amazon interview process can take anywhere from three weeks to three months. The timeline depends on various factors such as the level of the position, everyoneâs schedule, etc. This is why itâs important to have a solid Amazon interview preparation strategy in hand that will help you get through the lengthy interview process.

    For example, the more senior the position, the longer the process due to the number of interview rounds. Also, it is sometimes challenging to get all hiring managers, VPs, and directors in the same room at the same time to make a decision.

    How Is Stopping And Terminating An Instance Different From Each Other

    Starting, stopping and terminating are the three states in an EC2 instance, lets discuss them in detail:

    • Stopping and Starting an instance: When an instance is stopped, the instance performs a normal shutdown and then transitions to a stopped state. All of its Amazon EBS volumes remain attached, and you can start the instance again at a later time. You are not charged for additional instance hours while the instance is in a stopped state.
    • Terminating an instance: When an instance is terminated, the instance performs a normal shutdown, then the attached Amazon EBS volumes are deleted unless the volumes deleteOnTermination attribute is set to false. The instance itself is also deleted, and you cant start the instance again at a later time.

    Recommended Reading: Interview Questions To Ask A Cfo

    A Company Is Deploying A New Two

  • MySQL Installed on two Amazon EC2 Instances in a single Availability Zone
  • Amazon RDS for MySQL with Multi-AZ
  • Amazon ElastiCache
  • Amazon DynamoDB
  • Answer D.

    Explanation: DynamoDB has the ability to scale more than RDS or any other relational database service, therefore DynamoDB would be the apt choice.

    Insist On The Highest Standards

    AWS Interview Questions and Answers | How to Prepare for AWS Interview | Intellipaat

    What does this mean at Amazon? “Leaders have relentlessly high standards many people may think these standards are unreasonably high. Leaders are continually raising the bar and drive their teams to deliver high quality products, services, and processes. Leaders ensure that defects do not get sent down the line and that problems are fixed so they stay fixed.”

    Practice questions:

    Recommended Reading: Preparing For System Design Interview

    Can You Take A Backup Of Efs Like Ebs And If Yes How

    Yes, you can use the EFS-to-EFS backup solution to recover from unintended changes or deletion in Amazon EFS. Follow these steps:

  • Sign in to the AWS Management Console
  • Use the region selector in the console navigation bar to select region
  • Verify if you have chosen the right template on the Select Template page
  • Assign a name to your solution stack
  • Review the parameters for the template and modify them if necessary
  • What Are The Native Aws Security Logging Capabilities

    Most of the AWS services have their logging options. Also, some of them have an account level logging, like in AWS CloudTrail, AWS Config, and others. Lets take a look at two services in specific:

    AWS CloudTrail

    This is a service that provides a history of the AWS API calls for every account. It lets you perform security analysis, resource change tracking, and compliance auditing of your AWS environment as well. The best part about this service is that it enables you to configure it to send notifications via AWS SNS when new logs are delivered.

    AWS Config

    This helps you understand the configuration changes that happen in your environment. This service provides an AWS inventory that includes configuration history, configuration change notification, and relationships between AWS resources. It can also be configured to send information via AWS SNS when new logs are delivered.

    Also Check: Questions To Ask Cfo During Interview

    How Will An Amazon Interview Assess My Performance Against 16 Leadership Principles

    Every interview question will be “testing” at least one LP, which is why if you research the Internet well enough, you can collect the most frequently asked LP questions and map them against each LP. I’ve also pulled together a vetted list of Amazon interview questions to give you a sense of some of the most frequently asked themes. I don’t recommend that you focus too much on mapping questions to LPs. Use this exercise to get a flavour of what the questions may sound like but do not make this the central part of your preparation.

    Question : What Is The Main Difference Between Horizontal And Vertical Scaling

    AWS Interview Questions and Answers

    Easy scaling is one of the most important advantages of AWS for companies that pick it as their cloud service provider, so its important to show you understand it well as youre answering the interview questions on AWS your potential employer has prepared.

    In its essence, scaling means adding computing power to your infrastructure, and the two types define different ways of achieving that. Horizontal scaling means you add new hardware, whereas for vertical, you would simply upgrade the machines you already have. This is done by adding faster CPUs, increasing the memory or the storage capacity. However, horizontal scaling has an added benefit of distribution capability: multiple machines can deal with numerous workloads at the same time.

    Recommended Reading: Interview Attire Women

    Question : What Are The Main Ci/cd

    To be able to answer this kind of AWS interview questions, you must first understand what exactly CI/CD means. The letters stand for Continuous Integration/Continuous Deployment, and the term itself basically means combining these two practices to ensure a fast and effective process. In AWS, there are four services that are closely related to CI/CD: CodeBuild, CodePipeline, CodeCommit, and CodeDeploy. All of them are fully managed.

    CodeBuild is used to build and test code, as well as create deployment-ready software packages. CodeCommit, on the other hand, is a source control service that hosts your Git repositories. It keeps your code secure with encryption, simplifies collaborations, and provides excellent accessibility to all the members of your project team.

    CodePipeline is a continuous delivery service that lets you automate release pipelines, and CodeDeploy automates software deployments. Both of these services help you prevent downtime and release new features or updates in a quick and efficient manner.

    When answering AWS DevOps interview questions like this one, make sure you show not only what each service does, but also why its useful in practice. To make a great first impression, you need to convince the interviewer youre capable of not only using the service but also choosing the right one from the vast selection.

    What Is The Difference Between Saa C01 And Saa

    The latest exam feature, SAA-C02 is in line with the SAA-C01 with respect to the exam format and the level of difficulty. As the SAA-C01 exam was due for expiration on March 22nd, 2020 several candidates started attending the SAA-C02 exam. The exam has a passing score of 720/1000.

    The new exam version SAA-C02 has two parts of questions:

    • Multiple choice and

    • Multiple responses .

    Also Check: Design Interview Preparation

    Screening Call With Hr Or Internal Recruiter

    This lasts about 45 minutes to 1 hour. HR or the recruiter will spend most of the time asking questions about your career. They will usually start in chronological order from your ï¬rst job to your most recent position. Youâre expected to answer questions in the

    Itâs unlikely youâll get too much feedback during that conversation, and it might seem more âinformationalâ or casual â but it hardly ever is. Job-seekers tend to come out of the conversation feeling good, which is strange because you have no indication of whether or not you made it to the next round! I believe the reason for this is because the recruiter/HR will let people talk most of the time without interrupting them. People love to talk but donât realize whether or not theyâre saying the right things. Hereâs the best way to approach this initial call and to make sure you are saying right things: 1) Practice talking about your career from start to ï¬nish. There will inevitably be pieces youâve forgotten, including the reasons youâve left certain jobs and so forth.

    How To Prepare For The Interview

    AMAZON AWS Interview Questions & Answers!
  • You can take up the online course at Udemy and other such platforms. The courses are mostly very detailed and cover almost all the topics from basic to advanced ones.
  • You can look for video tutorials on to prepare for the interview. This will make you learn the basics of what AWS is and how everything works.
  • Enroll yourself in an AWS Certification and clear the exam. It will help you a lot during the interview sessions as you will already have a lot of knowledge of the platform that will give you a little bit of edge.
  • Lastly, you can look for AWS Interview Questions & Answers to get an idea of the kind of questions that are posed during the interview. These questions will brush up your knowledge and having a look at them right before the interview will help you a lot to land the job.
  • Don’t Miss: Questions To Ask Cfo In Interview

    More articles

    Popular Articles