Adway Info Software Engineer Interview Questions and Answers

Securing a web application involves implementing various security measures to protect against threats and vulnerabilities.

• Use HTTPS to encrypt data transmitted between the client and server

• Implement input validation to prevent SQL injection and cross-site scripting attacks

• Use secure authentication methods like OAuth or JWT tokens

• Regularly update and patch software to fix security vulnerabilities

• Implement proper access

Use indexing, optimize queries, limit data retrieval, use caching, and consider sharding.

• Utilize indexing to improve query performance

• Optimize queries to reduce load on the database

• Limit data retrieval by using pagination or filtering

• Implement caching to store frequently accessed data

• Consider sharding to distribute data across multiple servers