UBS Interview Questions and Answers

Difference between view bag, view data and Temp data in mvc

• ViewBag is a dynamic object used to pass data from controller to view

• ViewData is a dictionary object used to pass data from controller to view

• TempData is used to pass data between controller actions or redirects

• ViewBag and ViewData are short-lived while TempData is longer-lived

Value types store data directly, while reference types store a reference to the data.

• Value types are stored on the stack, while reference types are stored on the heap.

• Value types are copied when passed as arguments, while reference types are passed by reference.

• Examples of value types include int, float, and bool, while examples of reference types include classes and arrays.

Session management in MVC is crucial for maintaining user state and preventing unauthorized access.

• Session state can be stored in cookies or server-side memory.

• Session timeout should be set appropriately to balance security and usability.

• Session data should be encrypted to prevent tampering.

• Session fixation attacks can be prevented by regenerating session IDs after login.

• Cross-site scripting (XSS) attacks can be prevented by properly encoding session data.

• ASP.NET MVC provides...read more

SOLID principles are a set of design principles for object-oriented programming.

• S - Single Responsibility Principle

• O - Open/Closed Principle

• L - Liskov Substitution Principle

• I - Interface Segregation Principle

• D - Dependency Inversion Principle

I have worked on integrating cloud architecture with on-premise systems using hybrid cloud solutions.

• Implemented hybrid cloud solutions using AWS Direct Connect and VPN for secure connectivity between on-premise and cloud environments

• Utilized Azure ExpressRoute to establish private connections between on-premise and Azure cloud environments

• Implemented Google Cloud VPN to connect on-premise networks with Google Cloud Platform

• Leveraged Kubernetes to deploy and manage containeri...read more

Security aspects were addressed through a multi-layered approach.

• Access control measures were implemented to restrict entry to authorized personnel only.

• CCTV cameras were installed to monitor the premises.

• Firewalls and encryption were used to secure the network.

• Regular security audits were conducted to identify vulnerabilities.

• Emergency response plans were developed and tested.

• Security personnel were trained to handle potential threats.

• Sensitive data was stored in secure loca...read more

Manual testing is a process of verifying software manually to find defects and ensure it meets requirements.

• Manual testing involves executing test cases manually without the use of automation tools.

• It is a time-consuming process but helps in identifying defects that may be missed by automated testing.

• Manual testing includes functional testing, regression testing, integration testing, and user acceptance testing.

• It requires a tester to have good analytical and communication sk...read more