Capita Interview Questions and Answers

AWS is a cloud computing platform that provides a wide range of services. Microservices are a software development approach where applications are built as a collection of small, independent services.

• AWS is a popular cloud computing platform that offers services such as computing, storage, and databases.

• AWS provides a range of tools and services for developers, including AWS Lambda, Amazon EC2, and Amazon S3.

• Microservices are a way of building software applications as a colle...read more

Validate if a binary tree is valid or not

• A valid binary tree should not have any duplicate nodes

• A valid binary tree should have all left nodes smaller than the parent node and all right nodes greater than the parent node

• We can use recursion to traverse the tree and check if it is valid

There are two types of VM: process VM and system VM.

• Process VM is used to run a single application and is isolated from the host system.

• System VM is used to run an entire operating system and can support multiple applications.

• Examples of process VM include Java Virtual Machine and .NET Framework.

• Examples of system VM include VMware and VirtualBox.

It depends on the specific needs and requirements of the organization.

• Cloud offers scalability, flexibility, and cost-effectiveness, but may have security concerns and limited control.

• On-premises provides greater control and security, but may require higher upfront costs and maintenance.

• Hybrid solutions can offer the best of both worlds, combining the benefits of cloud and on-premises.

• Ultimately, the decision should be based on the organization's specific needs, budget, and r...read more

Reversing a linked list involves changing the direction of the pointers in the list.

• Iteratively swap the next and previous pointers of each node in the list

• Recursively swap the next and previous pointers of each node in the list

• Use a stack to push each node onto the stack and then pop them off in reverse order

• Create a new list and iterate through the original list, adding each node to the front of the new list