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10+ Domino Data Lab Interview Questions and Answers

Updated 11 Jul 2024

Q1. How CI/CD Work and tell me the branching plan used for it

Ans.

CI/CD is a software development practice that integrates continuous integration and continuous delivery/deployment.

  • CI/CD automates the process of integrating code changes, testing them, and deploying them to production.

  • Branching plan typically involves a main branch (e.g. master) for production-ready code, feature branches for new development, and release branches for preparing for deployment.

  • Example: Feature branches are created for each new feature or bug fix, and merged ba...read more

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Q2. Can we create buckets same name toh same other account

Ans.

No, bucket names must be unique across all AWS accounts.

  • Bucket names must be globally unique.

  • If a bucket with the same name already exists in another account, you cannot create a bucket with the same name.

  • Each bucket name is DNS-compliant and must follow specific naming rules.

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Q3. Can we create S3 buckets same on multi region

Ans.

Yes, S3 buckets can be created in multiple regions.

  • S3 buckets are global by default, meaning they can be accessed from any region.

  • However, you can specify a region when creating a bucket to optimize latency and costs.

  • You can also replicate data across regions using Cross-Region Replication (CRR).

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Q4. What is Terraform and why we used it

Ans.

Terraform is an infrastructure as code tool used for building, changing, and versioning infrastructure safely and efficiently.

  • Terraform allows for defining infrastructure in code using a declarative configuration language.

  • It supports multiple cloud providers such as AWS, Azure, and Google Cloud Platform.

  • Terraform helps in automating the provisioning of infrastructure, making it easier to manage and scale.

  • It provides a way to create reproducible infrastructure, enabling consis...read more

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Q5. What is the field of fstab

Ans.

fstab is a system configuration file in Unix-like operating systems that controls how filesystems are mounted.

  • fstab stands for file system table

  • It contains information about all available disk partitions and how they should be mounted

  • It is located in /etc/fstab

  • It specifies the file systems to be mounted at boot time

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Q6. What is Terraform 10k

Ans.

Terraform 10k is a fictional term and does not have a specific meaning in the context of DevOps or infrastructure automation.

  • Terraform 10k is not a real term used in the DevOps industry

  • It may have been mistakenly referenced in the interview question

  • Terraform is a popular infrastructure as code tool, but there is no version called 10k

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Q7. Different between Terraform and ansible

Ans.

Terraform is used for infrastructure provisioning and management, while Ansible is used for configuration management and automation.

  • Terraform is used for defining and managing infrastructure as code, focusing on provisioning resources like virtual machines, networks, and storage.

  • Ansible is used for configuration management and automation of software deployment, focusing on tasks like installing packages, configuring services, and managing files.

  • Terraform uses declarative lang...read more

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Q8. What is use of fstab

Ans.

fstab is a configuration file in Unix-like operating systems that controls how file systems are mounted and managed.

  • fstab stands for file system table.

  • It is used to specify which file systems are mounted at boot time and other mount options.

  • It contains information about partitions and storage devices.

  • It is located at /etc/fstab in most Unix-like systems.

  • Example: /dev/sda1 /mnt/data ext4 defaults 0 2

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Q9. What is ps command

Ans.

ps command is a command-line utility in Unix-like operating systems for viewing information about running processes.

  • Used to display information about currently running processes

  • Can show process IDs, CPU and memory usage, and more

  • Commonly used with options like -aux or -ef

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Q10. What is ansible

Ans.

Ansible is an open-source automation tool used for configuration management, application deployment, and task automation.

  • Ansible uses YAML syntax for writing playbooks which define the tasks to be executed on remote hosts.

  • It does not require any agents to be installed on remote hosts, making it agentless.

  • Ansible can be used for automating repetitive tasks like software installation, configuration, and updates.

  • It supports parallel execution of tasks across multiple hosts, maki...read more

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