Top 30 Data Engineer Interview Questions and Answers in 2023 - Daddy Tv

Route tables and network access control lists (ACLs) can set the routing rules for a Virtual Private Cloud (VPC) when implementing routing. Network ACLs, on the other hand, offer granular control over traffic flow, as they can allow or deny traffic based on the source and destination IP addresses, ports, and protocols. Setting up automated build, test, and deployment procedures in a cloud environment requires using technologies such as Jenkins, CircleCI, TravisCI, or GitLab CI/CD.

• Candidates might also mention Accelerated Computing instances, HPC Optimized instances, GPU instances, ARM instances, and other specialized instances.
• Your ability to provide relevant examples demonstrates your experience and understanding of AWS Lambda, as well as your ability to think creatively and problem-solve using the platform.
• In AWS, you can vertically scale an EC2 instance by selecting a larger instance type with more resources during launch or modifying an existing instance.
• CodeDeploy works seamlessly with the services such as EC2 instances, on-premises servers, and Lambda functions.

Finally, you test the auto-scaling solution to ensure it works correctly and that the scaling criteria, alerts, and actions are appropriately configured and deploy it to your production environment. Encryption in transit protects data as it travels over a network, such as an internet, from one location to another. The data is encrypted during transmission (through HTTPS or SSL/TLS) to prevent tampering or eavesdropping. You can also listen for answers that discuss the concrete use of cloud orchestration tools such as CloudFormation, Ansible, Terraform, and Kubernetes. However, cloud technologies are advancing faster than the number of engineers to hire.

What is a cloud? List some different versions of the cloud.

Also, expect questions on cloud computing since this will be the more focus of the role. You will act as the ‘Cloud Ambassador’ across all the cloud products, arming customers with the required tools & tactics to get the most out of their Product and Support investment. Yes, upgrades and downgrades with near-zero downtime are achievable using strategies such as live migration, load balancing, rolling upgrades, dual systems, and automatic failover. However, additional resources may be required, and downtime varies with system complexity/size. Furthermore, before deploying the upgrade/downgrade process in a live environment, preparing and testing it properly is critical. Data on the cloud can be protected using encryption, backup, recovery mechanisms, and secure access limits.

• Hiring managers want to know that you can navigate challenges effectively and efficiently while maintaining a high level of service and security for the organization’s infrastructure.
• Cost optimization is a critical aspect of managing cloud resources, and interviewers want to ensure that you have the necessary expertise to make the most of the company’s investment in an AWS environment.
• It will also store the content in the cache of the edge location where the content was missing.
• While this approach provides more control over the underlying infrastructure, it also demands additional time and resources to manage effectively.
• However, you can also mention why the restrictions are in place if you want to add something extra to your response.
• Software as a service (SaaS) provides access to fully formed software applications over the internet, typically on a subscription basis.

An application’s readiness for cloud migration involves assessing issues such as architecture, dependencies, security, and scalability. Some hurdles in cloud migration are the complexity of legacy programs, data privacy and security, and a lack of experience. Overcoming these problems necessitates a well-planned approach, appropriate tools and technology, and good team training. It also provides a cost-effective solution as you don’t have to worry about the underlying infrastructure, thus making it highly affordable. It provides seamless integration with Google Cloud services such as Data Studio and Google Sheets for optimized data visualization. Big Query reduces the need for expensive ETL processes and provides real-time data insights by allowing SQL-like queries to execute on big datasets.

What are the methods to deploy the latest application package to the servers in the autoscaling group in AWS?

This question allows you to showcase your expertise in AWS services and architectural principles, as well as your ability to apply these concepts in real-world scenarios. As an AWS Cloud Engineer, you’ll be responsible for ensuring the performance, security, and availability of AWS environments. Familiarity with monitoring and logging tools like CloudWatch and CloudTrail is essential to proactively detect issues, troubleshoot problems, and maintain the overall health of the cloud infrastructure.

The code for the availability zone is its region code followed by a letter identifier. For any AWS professional looking to shine during a job interview, it’s essential to ensure that you’re ready for what lies ahead. Fortunately, that journey is far simpler if you spend a little time reviewing AWS developer interview questions in advance. This is a very basic general question that can be asked at any time during the interview. Many hiring managers have not been trained in interview techniques and will ask various types of questions at different times during the interview.

What is the difference between an IAM role and an IAM user?

It is a capability of the computer system which makes the working or users much reliable. Such systems are designed to protect any current working system when various failures occur during any specific time. It provides the required continuity aws cloud engineer to any network or system to stay away from the harms of interruptions. As a candidate, you have to stay aware of the rolling or variation of such questions because the interviewer will never make it easy for the job seekers.

• Elastic Beanstalk also supports multiple programming languages and platforms, providing flexibility for development teams to choose the best technology stack for their application needs.
• AWS Lambda is a serverless compute service that allows you to run your code without provisioning or managing servers.
• The interviewer wants to assess your understanding of AWS infrastructure and your ability to design and implement a robust disaster recovery plan.
• Azure integrates well with Microsoft’s ecosystem of products and services (which may be necessary for enterprises with a significant investment in Microsoft technology).
• As an AWS Cloud Engineer, you’ll be working with various EC2 instances to achieve the right balance of performance, cost, and availability.

AWS facilitates integration with popular DevOps tools for providing collaboration between development and operations teams. To implement autoscaling, you create an Auto Scaling group with defined minimum and maximum instance limits, along with scaling policies that determine when to add or remove instances. These policies are typically based on CloudWatch metrics such as CPU utilization, network throughput, or custom metrics specific to your application. When a metric threshold is crossed, the Auto Scaling group adjusts the number of instances accordingly, either launching new ones or terminating existing ones.

#2: How do you design and implement a highly scalable and available cloud architecture?

By asking about your experience with VPC, Route 53, and API Gateway, interviewers aim to evaluate your knowledge of these essential services and your ability to utilize them effectively. This helps them determine if you can efficiently design, implement, and manage secure and scalable cloud infrastructure to support the organization’s needs. Canary releases, on the other hand, involve gradually rolling out the new version of an application by directing a small percentage of user traffic to it while monitoring performance and stability. If no issues are detected, the proportion of traffic directed to the new version is incrementally increased until it reaches 100%. This method provides more control over the release process and enables real-time feedback on how the new version performs under actual user conditions.

It is also vital to regularly test disaster recovery methods to ensure that data can be recovered during a loss. These are some standard practices to ensure the highest level of data protection in the cloud. Besides this, it offers several other features, such as easy deployment & rollback of containerized applications, automatic scaling, and the ability to run multiple Kubernetes clusters within a project. Tactics such as integrating multi-factor authentication, encryption of sensitive data, employing firewalls, monitoring, and logging, and frequent security updates and patches to increase cloud infrastructure security.