4.3.6. Sample Questions - Domain 6: Data Migration and Integration

Scenario: You are presented with questions related to managing data behavior, migrating configurations, and extending platform functionality through scripting.

Question 1:

An administrator has developed a new UI Policy to hide a field on an Incident form based on a condition. After deployment, users report the field is still visible. Upon investigation, the administrator discovers a Client Script that always sets the field to visible. Which statement describes how these two elements interact?

A) The UI Policy will always take precedence over the Client Script. B) The Client Script will always take precedence over the UI Policy. C) The element with the lower 'Order' value will take precedence. D) Both elements will be active, leading to unpredictable behavior.

Correct Answer: B

Explanation:

• A) The UI Policy will always take precedence over the Client Script: This is incorrect. Client Scripts, which involve JavaScript, can override the declarative rules set by UI Policies if they manipulate the same field properties.
• B) The Client Script will always take precedence over the UI Policy: Client Scripts execute after UI Policies on form load and can override UI Policy actions if they target the same field. If a UI Policy hides a field but a Client Script explicitly shows it, the Client Script's action will prevail. This is a common "tricky distinction" (4.2.6).
• C) The element with the lower 'Order' value will take precedence: While 'Order' matters for multiple UI Policies or multiple Business Rules, it doesn't determine precedence between a UI Policy and a Client Script. Client Scripts run after UI Policies.
• D) Both elements will be active, leading to unpredictable behavior: Both are active, but the behavior is not entirely unpredictable. The Client Script, by virtue of executing later or having more direct control via JavaScript, will typically dictate the final state for the field if it conflicts with a UI Policy.

Question 2:

A new Business Rule has been created to send an email notification to the Assigned To user whenever an Incident's State changes to Resolved. To ensure the email is sent after the incident record is successfully saved to the database, which execution timing should be selected for the Business Rule?

A) before. B) after. C) async. D) display.

Correct Answer: B

Explanation:

• A) before: A before Business Rule runs before the record is saved to the database. If the email is sent here and the save fails, the email would have been sent for a record that isn't actually in the database.
• B) after: An after Business Rule runs after the record is successfully saved to the database. This is the appropriate timing for triggering actions like sending notifications or creating other records, as it guarantees the primary record update is complete.
• C) async: An async Business Rule also runs after the record is saved, but in a separate, non-blocking thread. While suitable for notifications, after is a more direct choice if the immediate completion of the save is the only trigger needed without needing a separate thread.
• D) display: A display Business Rule runs before a record is displayed on a form and is used to manipulate form data for display purposes; it's not for triggering actions like sending emails.

Question 3:

An administrator has completed several configuration changes in a development instance, including creating a new form section, a UI Policy, and a Business Rule. These changes now need to be moved to the test instance for quality assurance. Which ServiceNow feature is specifically designed to bundle and transfer these configurations between instances?

A) Import Set. B) Transform Map. C) System Update Set. D) Integration Hub.

Correct Answer: C

Explanation:

• A) Import Set: Import Sets are used for importing data (records), not configuration changes.
• B) Transform Map: Transform Maps define how imported data maps to target tables during an Import Set, not for transferring configurations.
• C) System Update Set: System Update Sets are the standard mechanism in ServiceNow for capturing and moving configuration changes (metadata like form layouts, UI Policies, Business Rules, scripts, workflows) from one instance to another. This is critical for managing the lifecycle of development work.
• D) Integration Hub: Integration Hub is for building complex integrations with external systems, not for moving configurations between ServiceNow instances.

Question 4:

An administrator needs to write a JavaScript function that will be called from multiple Business Rules and a UI Action to perform a complex calculation. To ensure code reusability and maintainability, where should this function be defined?

A) Directly within each Business Rule and UI Action. B) As a new Client Script. C) As a new Script Include. D) As a new UI Policy.

Correct Answer: C

Explanation:

• A) Directly within each Business Rule and UI Action: This would lead to code duplication, making maintenance and updates very difficult and error-prone. This violates the principle of code reusability.
• B) As a new Client Script: Client Scripts run on the client-side (browser) and cannot be directly called from server-side scripts like Business Rules. This is incorrect for server-side logic.
• C) As a new Script Include: Script Includes are reusable server-side JavaScript functions or classes that can be called from any other server-side script (Business Rules, UI Actions (server-side part), Scheduled Jobs, Integrations, etc.). They are the best practice for promoting code reusability and modularity in ServiceNow.
• D) As a new UI Policy: UI Policies are for declarative client-side form behavior and do not involve writing reusable functions.

Question 5:

An administrator has a requirement to automatically update the Priority field on an Incident record to "Critical" whenever the Category is "Security" AND the Impact is "High." This change should occur immediately when the record is saved to the database. Which type of server-side script should the administrator use?

A) async Business Rule. B) display Business Rule. C) before Business Rule. D) Client Script.

Correct Answer: C

Explanation:

• A) async Business Rule: An async Business Rule runs after the record is saved, in a separate session. While it updates the record, it's typically used for non-critical, longer-running operations that shouldn't delay the user. For an immediate priority update before the record is fully committed, before is more suitable.
• B) display Business Rule: A display Business Rule runs before the record is displayed to the user and is used for manipulating data for display purposes only. It doesn't modify the record in the database.
• C) before Business Rule: A before Business Rule runs before the record is saved to the database. This is the ideal timing for modifying a field's value (like Priority) based on other field values (Category, Impact) before the record is committed. It ensures the correct Priority is saved immediately with the rest of the record's initial values.
• D) Client Script: A Client Script runs on the client-side (browser) and while it could change the Priority field's value on the form, the actual update to the database happens when the form is submitted. A server-side before Business Rule is more robust for enforcing data integrity at the database level regardless of UI interactions.