Vayana Interview Questions, Process, and Tips

Q1. Binary tree working
Ans. 
A binary tree is a data structure where each node has at most two children.
• Binary tree consists of nodes, each with a left and right child.

• Traversal methods include in-order, pre-order, and post-order.

• Common operations include insertion, deletion, and search.

• Example: Binary search tree is a type of binary tree where left child is less than parent and right child is greater.
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Q2. Doubly linked list
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Q1. What if I delete EC2 Machine from AWS Console and then apply Terraform, it will create a new machine or giving some error:?
Ans. 
Terraform will recreate the EC2 machine if it is deleted from AWS Console.
• Terraform will detect that the EC2 machine is missing and recreate it according to the defined configuration in the Terraform script.

• Deleting the EC2 machine from the AWS Console will not affect the Terraform configuration, as Terraform maintains its own state file.

• Running Terraform apply after deleting the EC2 machine will result in the creation...read more
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Q2. What is roles in ansible?
Ans. 
Roles in Ansible are a way to group tasks, handlers, variables, and other related files together for easier management and reuse.
• Roles help in organizing and structuring Ansible playbooks.

• They promote reusability and modularity by allowing tasks to be grouped together.

• Roles can be shared and reused across different playbooks.

• Each role typically consists of directories like tasks, handlers, templates, vars, and defaults...read more
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Q3. What is VPC and define flow of VCP?
Ans. 
VPC stands for Virtual Private Cloud, a virtual network dedicated to your AWS account.
• VPC allows you to create a logically isolated section of the AWS Cloud where you can launch resources in a virtual network.

• It helps in controlling your virtual networking environment, including selection of your own IP address range, creation of subnets, and configuration of route tables and network gateways.

• The flow of VPC involves c...read more
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Q1. About the Domain Expertise
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Q2. Leadership Skill & GSTM with regards to launching of new platform
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Q1. Technical questions and it's based you mentioned in your resume.
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Q2. Terraform state files related multiple questions.
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Q3. Site Reliability engineering related questions such as SLA, SLO etcetera.
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Asks for hands on such as terraform scripts, shell /python script, kubernetes or docker if you mentioned in resume.

Q1. This was the last round. Engineering head conduct this and do formal technical plus non technical discussion.
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