Ernst & Young Devops Engineer Interview Questions and Answers

Merging 2 sorted arrays into a single sorted array.

• Create a new array to store the merged array

• Compare the first elements of both arrays and add the smaller one to the new array

• Repeat until one of the arrays is empty, then add the remaining elements of the other array

• Return the merged array

You can connect between 2 EC2 instances by using their private IP addresses or public DNS names.

• Use private IP addresses for communication within the same VPC

• Use public DNS names for communication across different VPCs or over the internet

Connections between public and private subnets are established using a NAT gateway or a NAT instance.

• Use a NAT gateway to allow instances in a private subnet to initiate outbound traffic to the internet while preventing inbound traffic from reaching those instances.

• Alternatively, use a NAT instance with a security group that only allows inbound traffic from instances in the public subnet.

• Ensure that the route tables fo...read more

I have 5 years of experience in DevOps, working with various tools and technologies.

• Experience in setting up and managing CI/CD pipelines using tools like Jenkins and GitLab

• Proficient in containerization using Docker and orchestration with Kubernetes

• Strong knowledge of infrastructure automation using tools like Ansible and Terraform

• Experience in monitoring and logging using tools like Prometheus and ELK stack

• Familiarit...read more