10+ Cryogenic OGS Interview Questions and Answers

Find odd ball out of 8 balls in 2 weighings with 7 balls having same weight.

• Divide balls into 3 groups of 3, 3, and 2 balls

• Weigh 3 balls against 3 balls

• If both weighings are equal, odd ball is in the group of 2 balls

• If one weighing is heavier, odd ball is in the heavier group

• Weigh 2 balls from the heavier group, and the odd ball will be identified

• If both weighings are lighter, odd ball is in the lighter group

• Weigh 2 balls from the lighter group, and the odd ball will be ident...read more

Designing a calculator with memory involves adding a storage feature for storing and recalling previous calculations.

• Include a 'memory' button on the calculator for storing numbers or results

• Allow users to store multiple values in memory and recall them as needed

• Provide options for clearing memory or specific stored values

• Display a visual indicator when memory is in use or has stored values

Docker Restart changes the container's attributes like IP address, hostname, and uptime.

• IP address of the container will change after restart

• Hostname of the container may change

• Uptime of the container will be reset

• Any changes made to the container's filesystem will be lost

The maximum number of EBS volumes that can be attached to a single EC2 instance is 40.

• Maximum of 40 EBS volumes can be attached to a single EC2 instance

• Each EBS volume can be up to 16 TiB in size

• EBS volumes can be attached and detached while the instance is running

Prerequisites for S3 Cross Region Replication include enabling versioning, configuring IAM roles, and ensuring proper bucket policies.

• Enable versioning on both source and destination buckets

• Configure IAM roles with proper permissions for replication

• Ensure proper bucket policies are in place for cross region replication

S3 is ideal for storing static files like images and videos, while EFS is better for shared file storage among multiple EC2 instances.

• S3 is object storage, suitable for storing large amounts of unstructured data like images, videos, backups, and logs.

• EFS is a file storage service that can be mounted on multiple EC2 instances, making it ideal for shared file systems and databases.

• Use S3 for static website hosting, data archiving, and data lakes.

• Use EFS for content management s...read more

Yes, I have experience in creating automation frameworks for testing.

• I have created automation frameworks using tools like Selenium, TestNG, and Cucumber.

• I have designed modular and data-driven frameworks to improve test efficiency.

• I have integrated frameworks with CI/CD pipelines for continuous testing.

• I have experience in creating custom frameworks tailored to specific project requirements.

Default method in Java is a method defined in an interface with a default implementation.

• Introduced in Java 8 to allow adding new methods to interfaces without breaking existing implementations

• Default methods are declared with the 'default' keyword

• They can be overridden in implementing classes if needed

Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.

• Allows users to access and use resources on-demand

• Reduces the need for physical hardware and infrastructure

• Provides scalability and flexibility for businesses

• Examples: Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform

Object-oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.

• Objects are instances of classes, which define the structure and behavior of the objects.

• Encapsulation, inheritance, and polymorphism are key principles of OOP.

• Example: In Java, a class 'Car' can have attributes like 'color' and 'model', and methods like 'drive' and 'stop'.

DevOps tools are software tools used to facilitate the collaboration between development and operations teams in order to automate and streamline the software delivery process.

• DevOps tools help in automating the software development lifecycle

• They enable continuous integration and continuous delivery (CI/CD)

• Examples of DevOps tools include Jenkins, Docker, Ansible, Kubernetes, Git, and Puppet