Blueberry Digital Labs Junior DevOps Engineer Interview Questions and Answers

There are 6 types of storage classes in S3.

• Standard

• Standard-Infrequent Access (IA)

• One Zone-Infrequent Access (One Zone-IA)

• Intelligent Tiering

• Glacier

• Glacier Deep Archive

No, an EC2 server cannot be launched without a security group.

• A security group acts as a virtual firewall for an EC2 instance.

• It controls inbound and outbound traffic to the instance.

• By default, a new EC2 instance is associated with a default security group.

• However, it is not possible to launch an EC2 instance without any security group.

I have knowledge on various DevOps tools.

• Continuous Integration/Continuous Deployment (CI/CD) tools like Jenkins, Travis CI, CircleCI

• Configuration Management tools like Ansible, Chef, Puppet

• Containerization tools like Docker, Kubernetes

• Infrastructure as Code (IaC) tools like Terraform, CloudFormation

• Monitoring and Logging tools like Nagios, Prometheus, ELK Stack

• Version Control tools like Git, SVN