Microsoft Research Consultant Interview Questions and Answers

Handle exceptions in asynchronous programming by using try-catch blocks and error handling functions.

• Use try-catch blocks to catch exceptions in asynchronous code

• Use error handling functions like .catch() or .then().catch() in Promises

• Consider using async/await for cleaner error handling syntax

• Use libraries like async/await or Bluebird for advanced error handling features

Azure Key Vault is a cloud service for securely storing and managing sensitive information such as keys, passwords, certificates, etc.

• Azure Key Vault helps to safeguard cryptographic keys and secrets used by cloud applications and services

• It provides centralized management of keys, secrets, and certificates

• Access to Key Vault can be controlled using Azure AD authentication and authorization policies

• Key Vault can b...read more

SQL data types differ in storage size, range of values, and operations that can be performed on them.

• Different data types have different storage sizes, such as INT vs VARCHAR.

• Data types have different ranges of values they can hold, like DATE vs TIMESTAMP.

• Operations that can be performed on data types vary, for example, arithmetic operations on numeric types but not on text types.

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

• Single Responsibility Principle: A class should have only one reason to change.

• Open/Closed Principle: Classes should be open for extension but closed for modification.

• Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its subclasses without affecting the program's correctness.

• Interface Segr...read more

Asynchronous programming allows tasks to run independently, while multithreading involves multiple threads executing tasks simultaneously.

• Asynchronous programming is useful for I/O-bound operations, such as network requests or file operations.

• Multithreading is beneficial for CPU-bound tasks that can be parallelized, like complex calculations.

• Asynchronous programming can improve responsiveness in applications by al...read more

Web API verbs include GET, POST, PUT, PATCH, and DELETE for different operations on resources.

• GET is used to retrieve data from a server

• POST is used to create new data on a server

• PUT is used to update or replace existing data on a server

• PATCH is used to partially update existing data on a server

• DELETE is used to remove data from a server

Factory design pattern is used to create objects without specifying the exact class of object that will be created.

• Factory method pattern defines an interface for creating objects, but lets subclasses decide which class to instantiate.

• Example: Java's Calendar.getInstance() method returns a Calendar object based on the current time zone and locale.

• Factory pattern promotes loose coupling by eliminating the need to b...read more