TCS Interview Questions and Answers

Incremental backup only backs up changes made since the last backup, while decremental backup backs up all changes made since the last full backup.

• Incremental backup only backs up changes made since the last backup

• Decremental backup backs up all changes made since the last full backup

• Incremental backup is faster and requires less storage space

• Decremental backup is slower and requires more storage space

• Incremental backup is useful for daily backups

• Decremental backup is useful ...read more

Design patterns in Dot net are reusable solutions to common problems in software design. To handle multiple requests at the same time, we can use asynchronous programming and multithreading.

• Design patterns in Dot net include Singleton, Factory, Observer, and more.

• To handle multiple requests at the same time, we can use asynchronous programming with async/await keywords.

• Another approach is to use multithreading to process multiple requests concurrently.

• Using Task Parallel Libr...read more

Filters, routing, and caching are important concepts in MVC. Authorization in API can be achieved using authentication mechanisms.

• Filters in MVC are used to perform logic before or after an action method is executed.

• Routing in MVC is used to map URLs to controller actions.

• Caching in MVC is used to store data temporarily to improve performance.

• Authorization in API can be achieved using authentication mechanisms like JWT tokens or OAuth.

• Example: Using [Authorize] attribute in A...read more

Extensions in C# allow adding new methods to existing types without modifying the original source code. Sessions in MVC can be initialized using Session_Start method in Global.asax file. Middleware in API is software that acts as a bridge between an operating system or database and applications, managing communication and data processing.

• Extensions in C# allow adding new methods to existing types without modifying the original source code

• Sessions in MVC can be initialized usi...read more

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• It stores information about network resources such as computers, users, and groups.

• It provides authentication and authorization for network resources.

• It allows administrators to manage network resources from a central location.

• It uses a hierarchical structure of domains, trees, and forests to organize network resources.

• It supports group policies that can be used to enforce security sett...read more

Post is a term used in computing to refer to a message or piece of information that is published online.

• A post can refer to a social media update, blog article, or forum message.

• Posts can be text-based, image-based, or video-based.

• Posts can be public or private, depending on the platform and user settings.

SLA durations refer to the time frame within which a service provider guarantees to resolve an issue or fulfill a request.

• SLA durations are typically agreed upon between the service provider and the customer.

• They can vary depending on the severity of the issue or request.

• For example, a critical issue may have a shorter SLA duration than a minor request.

• SLA durations may also differ based on the type of service being provided.

• For instance, a cloud service provider may have dif...read more

Program to sort an array of strings using Collections

• Create an array of strings

• Use Arrays.asList() to convert array to List

• Use Collections.sort() to sort the list

• Convert the sorted list back to array using toArray()

• Print the sorted array