Hey guys,
I wanted to share with you my interview experience with Amazon Web Services for the Cloud support associate role(CSA). This role deals with customers’ technical issues and makes you familiar with the cloud. Good for cloud learners.
This consisted of 4 rounds:
1st round: written test
This round is an MCQ-based test where you will be given questions based on networking, operating systems, and databases. Behavioral questions based on Amazon 16 leadership principles.
2nd round: Interview round 1
This round is an operating systems round where you’ll be given questions based on operating systems only. Here are the few questions that are mandatorily asked
- OS boot process (Win/Linux)
- Memory management, Memory pages, Buffer, and Caches, Basic commands
- System date/time management, network time protocol
- Managing Users and groups
- File permissions
- Managing software – installation, uninstall, upgrade, etc.
- Managing system services and background processes
- Remote management of a system – SSH, RDP, etc.
- Network protocols – FTP, HTTP (web servers), SMTP (mail server)
- System automation – cron, batch jobs, windows startup tasks
- Booting Process troubleshooting.
- Bootable Device not found. Troubleshoot it.
- SSH connection troubleshooting.
- How do you check which ports are listening?
The device is slowing down, Troubleshoot it.
- Commands to check for CPU Utilization.
- TOP and SAR command in detail.
- Paging Concept.
- What are System calls?
- Explain about fork().
- Explain the Process life cycle or Process States.
- How to check for Disk Free space.
- I have disk space available but the file is not getting created. Why?
- Explain the importance of inodes.
The device is Heating up. Troubleshoot it.
- How do PING and TRACERT commands work?
- Explain what happens when www.amazon.com is clicked.
3rd round: Interview round 2
This is a computer networking round and questions on networks were put.
- Explain DHCP and DORA processes in detail.
- What is APIPA?
- Which messages are Broadcast and Unicast in DORA? Why?
- Different types of IP Address allocations in DHCP.
- Will my computer get the same IP address allocated every time?
- Role of the Router in the Separation of Broadcast Domains.
- DNS Query Process.
- What happens if we type www.amazon.com? This time, the interview went into depth about the process of questioning various aspects.
- What are ports and port numbers?
- Do different tabs making queries in the browser use different port numbers?
- TCP handshake in detail.
- Problem with Sequence numbers and Acknowledgement numbers.
- What is SSL? Explain Digital Certificates and TLS Handshake.
- Problem on IP Addressing at the sender, gateway, and destination.
- Packet Tracing.
- How do we check the IP address Gateway and DNS Server addresses of our device?
4th round: Managerial round
This round has only situation-based questions. Make sure you go through the Amazon leadership principles and incorporate them in your answers. Be honest, and keep smiling.
Note: Troubleshooting and Linux commands are important. Make sure you answer in Linux commands and not just throw words.