Company
ServiceNow
Real interview questions with expert answers, plain-English explanations, and practical examples. (30 questions)
ServiceNow
AI Engineer
Testing
How do you ensure the reliability and ethical behavior of an AI model through testing throughout its lifecycle?
ServiceNow
Network Engineer
Security
What is network access control (nac), and how would you implement it to secure an enterprise network?
ServiceNow
Database Administrator
Databases
When would you choose a NoSQL database over a relational database, and what are the key considerations for each?
ServiceNow
Full Stack Developer
React
How do you manage global state in a complex React application, and when would you choose Context API versus a library like Redux?
ServiceNow
SRE
Linux
How would you diagnose and resolve a Linux process consuming excessive memory or CPU, and what strategies would you implement to prevent recurrence?
ServiceNow
Network Engineer
Networking
How do different routing protocols (e.g., OSPF, BGP) work, and when would you use each in an enterprise network?
ServiceNow
Data Engineer
Data Structures & Algorithms
How does a segment tree efficiently handle range queries and updates, and what are its practical applications in data engineering?
ServiceNow
Security Engineer
Containers & Kubernetes
Explain the core security mechanisms in Kubernetes and how you’d apply them to secure a production workload?
ServiceNow
Backend Developer
API Design
How do you approach API versioning and ensure backward compatibility for evolving services?
ServiceNow
Cloud Engineer
Cloud Architecture