Delta Air Lines Senior Engineer Interview Questions, Process, and Tips

Multiple programming languages ex python, JavaScript, Java, Cloud formation

Q1. What are the aws services worked on
Ans. 
I have worked on various AWS services including EC2, S3, RDS, Lambda, and CloudFormation.
• EC2

• S3

• RDS

• Lambda

• CloudFormation
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Q2. Tell about troubleshooting skills in aws
Ans. 
Troubleshooting skills in AWS involve identifying and resolving issues with cloud services and infrastructure.
• Ability to analyze logs and metrics to identify root causes of issues

• Experience with AWS monitoring tools like CloudWatch and X-Ray

• Knowledge of AWS service limits and best practices for optimizing performance

• Familiarity with AWS support options and escalation procedures
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Q3. What is the approach if you get new task
Ans. 
I prioritize tasks based on deadlines, complexity, and impact on overall project goals.
• Assess the deadline for the task and prioritize accordingly

• Evaluate the complexity of the task and allocate resources accordingly

• Consider the impact of the task on the overall project goals
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Q1. Aws architect level
Ans. 
An AWS architect level question
• Understand the AWS Well-Architected Framework

• Have experience designing scalable and cost-effective AWS solutions

• Familiarity with various AWS services like EC2, S3, RDS, etc.
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Q2. What is the recent aws services you used
Ans. 
I have recently used AWS Lambda, AWS S3, and AWS RDS services.
• AWS Lambda for serverless computing

• AWS S3 for object storage

• AWS RDS for managed relational databases
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Q3. Explain the services how you used in your application in recently
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Q4. What is Aws lambda and how will you communicate to s3 in cross account
Ans. 
AWS Lambda is a serverless computing service that runs code in response to events and automatically manages the computing resources required.
• AWS Lambda is event-driven and allows you to run code without provisioning or managing servers.

• To communicate with S3 in a cross-account scenario, you can use IAM roles and policies to grant necessary permissions.

• Create a role in the account where the Lambda function resides with ...read more
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Q5. What is the best approach to cost optimization
Ans. 
The best approach to cost optimization involves identifying inefficiencies, prioritizing cost-saving opportunities, and implementing strategic solutions.
• Conduct a thorough analysis of current expenses to identify areas of inefficiency

• Prioritize cost-saving opportunities based on potential impact and feasibility

• Implement strategic solutions such as renegotiating contracts, optimizing processes, or investing in technolog...read more
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Q6. What is aws landing zones and control tower
Ans. 
AWS Landing Zones and Control Tower are AWS solutions for setting up and managing secure, multi-account AWS environments.
• AWS Landing Zones is a solution that helps customers set up a secure, multi-account AWS environment based on AWS best practices.

• AWS Control Tower is a service that provides the easiest way to set up and govern a secure, multi-account AWS environment based on AWS best practices.

• Both Landing Zones and ...read more
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Q7. How will it work control tower and landing zones
Ans. 
Control towers manage air traffic and guide planes to designated landing zones.
• Control towers communicate with pilots to provide instructions for takeoff, landing, and taxiing.

• Landing zones are designated areas on the runway where planes touch down and come to a stop.

• Control towers use radar and communication systems to monitor and coordinate the movement of aircraft.

• Efficient communication and coordination between con...read more
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Q8. How transit gate ways work
Ans. 
Transit gateways are network devices that connect different networks and control the flow of traffic between them.
• Transit gateways act as a bridge between different networks, such as connecting an on-premises network to a cloud network.

• They enforce security policies and perform routing functions to direct traffic to the appropriate destination.

• Transit gateways can also provide network address translation (NAT) services...read more
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Q1. Why do you want join Delta Airlines
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Q2. What is your expectation from Delta Airlines
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Q3. What is your strength
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