Illumina Senior Service Now Developer Interview Questions, Process, and Tips

Q1. How to manage duplicate records in CMDB
Ans. 
Duplicate records in CMDB can be managed by implementing data quality checks, automated tools, and manual review processes.
• Implement data quality checks to identify duplicate records based on unique identifiers such as serial numbers or MAC addresses.

• Utilize automated tools like ServiceNow's Duplicate Record Management to merge or delete duplicate records.

• Establish manual review processes for complex cases where automa...read more
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Q2. Different types of Integration that can be done in ServiceNow
Ans. 
ServiceNow supports various types of integrations including REST, SOAP, JDBC, LDAP, and MID Server.
• REST API integration

• SOAP web services integration

• JDBC integration for database connectivity

• LDAP integration for directory services

• MID Server integration for connecting to on-premise systems
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Q3. Best practices for Integration
Ans. 
Best practices for Integration
• Understand the systems being integrated

• Use standard protocols like REST or SOAP

• Implement error handling and logging

• Consider security measures such as encryption

• Perform thorough testing before deployment
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Q4. What is your current role and responsibilities
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Q5. How to have a different CMDB health report for different classes
Ans. 
Use ServiceNow to create separate CMDB health reports for different classes
• Create separate health reports by configuring different health indicators for each CMDB class

• Utilize ServiceNow's reporting capabilities to generate customized reports based on class criteria

• Implement filters and groupings to organize data by class for more targeted analysis
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Q6. Explain the Discovery process and how it works
Ans. 
Discovery process in ServiceNow is used to identify and map IT infrastructure within an organization.
• Discovery process involves scanning the network to identify devices, applications, and services.

• It creates a map of the infrastructure showing relationships between different components.

• Discovery can be scheduled to run at regular intervals to keep the map up to date.

• It helps in understanding the dependencies and impact
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Q7. How do you start any new integration, explain the process
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Write a script which queries location table, take all location with country is populated, group by city and print the output as object of where key is the City and values are array of all location which falls under that City.

Example:
{"Mumbai":["Location1","Location2"], "San Diego":["LOCATION3","LOCATION4"]}

Q1. Where do you see yourself in 5 years
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Q2. What are your areas of Interest
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Q3. What are some challenges you faced while working on any project and how do you overcome it
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Q4. Whether my interests fits with what they are looking for
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Q5. What is the future of ServiceNow
Ans. 
ServiceNow is expected to continue growing and evolving to meet the changing needs of organizations in terms of digital transformation and workflow automation.
• ServiceNow will likely expand its capabilities in AI and machine learning to enhance automation and decision-making processes.

• Integration with other platforms and tools will become more seamless to provide a more holistic solution for organizations.

• ServiceNow may...read more
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Q6. How can AI play it's role and leverage it's capabilities in ServiceNow
Ans. 
AI can enhance ServiceNow by automating repetitive tasks, providing predictive analytics, and improving user experience.
• AI can automate routine tasks such as incident categorization and routing, reducing manual effort and improving efficiency.

• AI can provide predictive analytics to anticipate and prevent service disruptions, improving overall system reliability.

• AI can enhance user experience by offering personalized rec...read more
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Q1. Explained Company Culture and benefits
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Q2. Salary negotiation
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