Questions
All Interview Questions
Real interview questions with expert answers, plain-English explanations, and practical examples. (202 questions)
ServiceNow
Backend Developer
Message Queues
How do you handle message processing failures and ensure data integrity using dead letter queues and retry mechanisms?
Salesforce
Backend Developer
Databases
When would a backend developer choose different database isolation levels for a Salesforce application, and what are the trade-offs?
Mphasis
Cloud Engineer
Message Queues
When designing a cloud-native microservices architecture, how would you choose the appropriate message queue technology (e.g., Kafka, RabbitMQ, SQS/SNS), and what considerations guide your decision?
Salesforce
Database Administrator
Performance Optimization
A critical database query is consistently slow. How would a Database Administrator diagnose the root cause and implement an index-based solution?
Mphasis
QA Engineer
CI/CD
How would a QA engineer effectively integrate automated testing into a CI/CD pipeline, and what are the key benefits?
Mphasis
Network Engineer
Security
How would you design and implement a robust network segmentation strategy for a multi-tenant enterprise environment, emphasizing security and compliance?
IBM
AI Engineer
Performance Optimization
Given a deployed AI/ML model with high inference latency, how would you approach optimizing its performance for real-time predictions?
ServiceNow
Mobile Developer
Performance Optimization
A user reports slow loading and janky scrolling in your mobile app. How would you diagnose and resolve these performance issues?
ServiceNow
QA Engineer
Security
How would a QA engineer approach security testing for common web vulnerabilities like XSS and SQL Injection, and what methods and tools are essential?
Salesforce
Backend Developer
Concurrency