Preguntas de comportamiento de cualquier manual de cómo responder a sus preguntas S.T.A.R. y al final algunas preguntas tecnicas de qué herramientas utilizarías para diagnosticar y resolver problemas. Preguntas sobre redes desde básico hasta como funciona TCP y DNS a detalle.
How DNS works from a technical standpoint.
Describe past experience and why I decided the approach I took
Aws cloud in deepth with networking and other cloud related tools .
Leetcode 636. Exclusive Time of Functions
How would you handle it if you were designing an API endpoint and the responses were too large?
tell me about yourself? various ports for services about gcp and webservers for hosting.
Linux commands, networking concepts, virtualization, ports.
IaaC Terraform AWS Networking , DNS, CNAME, ALIAS Kubernetes
🔧 Technical Questions ✅ Linux/OS How do you check disk usage on a Linux instance? What is the difference between a hard link and a soft link? How do you find which process is using the most CPU/memory? What’s the difference between cron and at? What command would you use to find logs from a specific time period? ✅ Networking Explain the 3-way TCP handshake. How does DNS resolution work? What is the difference between a public and private IP? What tools do you use to diagnose network issues (e.g., ping, traceroute, netstat)? How would you troubleshoot intermittent connectivity issues in a VPC? ✅ AWS Services How does EC2 auto scaling work? What is the difference between an S3 Standard and S3 Glacier? How would you secure an S3 bucket? What’s the difference between a security group and a NACL? How do you troubleshoot an EC2 instance that is not reachable? ✅ Scripting (Python/Bash) Write a script to check if a port is open on a list of servers. How would you parse logs for errors using a shell or Python script? Explain how you'd automate cleanup of old log files in a directory. 🛠️ Troubleshooting/Scenario-Based A customer reports that their EC2 instance is "stuck in a reboot loop." How would you approach this? An S3 object is not accessible even though the IAM policy allows access. What could be wrong? An ELB is not distributing traffic evenly. What could cause this? How would you diagnose slow performance on an RDS database? 💬 Behavioral Questions (Amazon Leadership Principles) Tell me about a time you handled a high-severity incident. Describe a situation where you disagreed with a team member. How did you handle it? How do you prioritize tasks when you have conflicting deadlines? Tell me about a time you took ownership of a problem that wasn’t your responsibility. Use the STAR (Situation, Task, Action, Result) format for all behavioral answers.
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