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ServiceNow CAD Practice Test 20

Question 190

A developer applies this approach: Use GlideAjax with an appropriately secured client-callable Script Include when applicable. What platform behavior or outcome should be expected for the stated design?

  1. A supported asynchronous client-server call keeps privileged data access on the server.
  2. An onLoad script executes when the form loads in supported clients and can guide the user.
  3. onChange handles an edited field while load-time guards prevent unintended initialization effects.
  4. Client-side submission checks improve usability but cannot be the sole source of data validation.

Explanation

Correct Answer

A:

The expected result for Client to server lookup is: A supported asynchronous client-server call keeps privileged data access on the server.

Incorrect Answers

B:

This describes On-load client guidance and its associated action, Use an appropriate onLoad Client Script to set a client-side message, rather than the consequence of the stated approach.

C:

This describes On-change dependent prompt and its associated action, Use an onChange Client Script with a guard for loading and the relevant field, rather than the consequence of the stated approach.

D:

This describes Submission confirmation logic and its associated action, Use an appropriate onSubmit Client Script for immediate feedback and enforce the rule on the server too, rather than the consequence of the stated approach.

Question 191

A form needs to retrieve a calculated account status from server-only data without exposing direct database access in the browser. A teammate suggests a different change: Use an appropriate onLoad Client Script to set a client-side message. That change does not resolve the actual requirement. Which correction is most appropriate?

  1. Use an appropriate onLoad Client Script to set a client-side message
  2. Use GlideAjax with an appropriately secured client-callable Script Include when applicable
  3. Use an onChange Client Script with a guard for loading and the relevant field
  4. Use an appropriate onSubmit Client Script for immediate feedback and enforce the rule on the server too

Explanation

Correct Answer

B:

Use the indicated corrective approach. A supported asynchronous client-server call keeps privileged data access on the server. This meets the specific requirement for Client to server lookup.

Incorrect Answers

A:

Not the appropriate correction: Use an appropriate onLoad Client Script to set a client-side message is relevant to On-load client guidance. An onLoad script executes when the form loads in supported clients and can guide the user.

C:

Not the appropriate correction: Use an onChange Client Script with a guard for loading and the relevant field is relevant to On-change dependent prompt. onChange handles an edited field while load-time guards prevent unintended initialization effects.

D:

Not the appropriate correction: Use an appropriate onSubmit Client Script for immediate feedback and enforce the rule on the server too is relevant to Submission confirmation logic. Client-side submission checks improve usability but cannot be the sole source of data validation.

Question 192

A developer proposes this approach: Use GlideAjax with an appropriately secured client-callable Script Include when applicable. Which business requirement is the strongest reason to choose it?

  1. A browser form should show an informational help message as soon as the request form opens.
  2. When the customer category changes on a form, the description help text should update immediately.
  3. A form needs to retrieve a calculated account status from server-only data without exposing direct database access in the browser.
  4. A custom form should block accidental submission when a required business acknowledgement is missing.

Explanation

Correct Answer

C:

This business need directly motivates Use GlideAjax with an appropriately secured client-callable Script Include when applicable; A supported asynchronous client-server call keeps privileged data access on the server.

Incorrect Answers

A:

The described situation is better addressed by Use an appropriate onLoad Client Script to set a client-side message. An onLoad script executes when the form loads in supported clients and can guide the user.

B:

The described situation is better addressed by Use an onChange Client Script with a guard for loading and the relevant field. onChange handles an edited field while load-time guards prevent unintended initialization effects.

D:

The described situation is better addressed by Use an appropriate onSubmit Client Script for immediate feedback and enforce the rule on the server too. Client-side submission checks improve usability but cannot be the sole source of data validation.

Question 193

A case's normalized identifier must be set before the record is saved. Which application design or configuration action best addresses this requirement on the ServiceNow platform?

  1. Use a before Business Rule that sets the current record field before persistence
  2. Use an after Business Rule with safe duplicate controls for the related side effect
  3. Evaluate an async Business Rule or event-driven work with suitable observability
  4. Use a server-side GlideRecord query constrained to the intended table and conditions

Explanation

Correct Answer

A:

Correct for Before business rule derived field: A before rule can adjust current field values as part of the pending database operation.

Incorrect Answers

B:

That action instead addresses After business rule downstream action. An after rule can react to a completed database operation but requires recursion and idempotency care. It does not directly fulfill the stated Before business rule derived field requirement.

C:

That action instead addresses Asynchronous business rule timing. Asynchronous server work decouples follow-up processing from the interactive transaction. It does not directly fulfill the stated Before business rule derived field requirement.

D:

That action instead addresses Server GlideRecord query. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes. It does not directly fulfill the stated Before business rule derived field requirement.

Question 194

A developer applies this approach: Use a before Business Rule that sets the current record field before persistence. What platform behavior or outcome should be expected for the stated design?

  1. An after rule can react to a completed database operation but requires recursion and idempotency care.
  2. A before rule can adjust current field values as part of the pending database operation.
  3. Asynchronous server work decouples follow-up processing from the interactive transaction.
  4. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes.

Explanation

Correct Answer

B:

The expected result for Before business rule derived field is: A before rule can adjust current field values as part of the pending database operation.

Incorrect Answers

A:

This describes After business rule downstream action and its associated action, Use an after Business Rule with safe duplicate controls for the related side effect, rather than the consequence of the stated approach.

C:

This describes Asynchronous business rule timing and its associated action, Evaluate an async Business Rule or event-driven work with suitable observability, rather than the consequence of the stated approach.

D:

This describes Server GlideRecord query and its associated action, Use a server-side GlideRecord query constrained to the intended table and conditions, rather than the consequence of the stated approach.

Question 195

A case's normalized identifier must be set before the record is saved. A teammate suggests a different change: Use an after Business Rule with safe duplicate controls for the related side effect. That change does not resolve the actual requirement. Which correction is most appropriate?

  1. Use an after Business Rule with safe duplicate controls for the related side effect
  2. Evaluate an async Business Rule or event-driven work with suitable observability
  3. Use a before Business Rule that sets the current record field before persistence
  4. Use a server-side GlideRecord query constrained to the intended table and conditions

Explanation

Correct Answer

C:

Use the indicated corrective approach. A before rule can adjust current field values as part of the pending database operation. This meets the specific requirement for Before business rule derived field.

Incorrect Answers

A:

Not the appropriate correction: Use an after Business Rule with safe duplicate controls for the related side effect is relevant to After business rule downstream action. An after rule can react to a completed database operation but requires recursion and idempotency care.

B:

Not the appropriate correction: Evaluate an async Business Rule or event-driven work with suitable observability is relevant to Asynchronous business rule timing. Asynchronous server work decouples follow-up processing from the interactive transaction.

D:

Not the appropriate correction: Use a server-side GlideRecord query constrained to the intended table and conditions is relevant to Server GlideRecord query. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes.

Question 196

A developer proposes this approach: Use a before Business Rule that sets the current record field before persistence. Which business requirement is the strongest reason to choose it?

  1. Once a request is inserted, an independent related audit record must be created from the saved state.
  2. A nonurgent enrichment action should run after record submission without delaying the user's form response.
  3. A nightly server operation needs to find open assignments matching a known group and update a controlled field.
  4. A case's normalized identifier must be set before the record is saved.

Explanation

Correct Answer

D:

This business need directly motivates Use a before Business Rule that sets the current record field before persistence; A before rule can adjust current field values as part of the pending database operation.

Incorrect Answers

A:

The described situation is better addressed by Use an after Business Rule with safe duplicate controls for the related side effect. An after rule can react to a completed database operation but requires recursion and idempotency care.

B:

The described situation is better addressed by Evaluate an async Business Rule or event-driven work with suitable observability. Asynchronous server work decouples follow-up processing from the interactive transaction.

C:

The described situation is better addressed by Use a server-side GlideRecord query constrained to the intended table and conditions. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes.

Question 197

Once a request is inserted, an independent related audit record must be created from the saved state. Which application design or configuration action best addresses this requirement on the ServiceNow platform?

  1. Evaluate an async Business Rule or event-driven work with suitable observability
  2. Use an after Business Rule with safe duplicate controls for the related side effect
  3. Use a server-side GlideRecord query constrained to the intended table and conditions
  4. Move the shared calculation into an appropriately scoped Script Include and call it from server logic

Explanation

Correct Answer

B:

Correct for After business rule downstream action: An after rule can react to a completed database operation but requires recursion and idempotency care.

Incorrect Answers

A:

That action instead addresses Asynchronous business rule timing. Asynchronous server work decouples follow-up processing from the interactive transaction. It does not directly fulfill the stated After business rule downstream action requirement.

C:

That action instead addresses Server GlideRecord query. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes. It does not directly fulfill the stated After business rule downstream action requirement.

D:

That action instead addresses Reusable server helper. A Script Include centralizes reusable server logic and makes testing changes more manageable. It does not directly fulfill the stated After business rule downstream action requirement.

Question 198

A developer applies this approach: Use an after Business Rule with safe duplicate controls for the related side effect. What platform behavior or outcome should be expected for the stated design?

  1. Asynchronous server work decouples follow-up processing from the interactive transaction.
  2. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes.
  3. An after rule can react to a completed database operation but requires recursion and idempotency care.
  4. A Script Include centralizes reusable server logic and makes testing changes more manageable.

Explanation

Correct Answer

C:

The expected result for After business rule downstream action is: An after rule can react to a completed database operation but requires recursion and idempotency care.

Incorrect Answers

A:

This describes Asynchronous business rule timing and its associated action, Evaluate an async Business Rule or event-driven work with suitable observability, rather than the consequence of the stated approach.

B:

This describes Server GlideRecord query and its associated action, Use a server-side GlideRecord query constrained to the intended table and conditions, rather than the consequence of the stated approach.

D:

This describes Reusable server helper and its associated action, Move the shared calculation into an appropriately scoped Script Include and call it from server logic, rather than the consequence of the stated approach.

Question 199

Once a request is inserted, an independent related audit record must be created from the saved state. A teammate suggests a different change: Evaluate an async Business Rule or event-driven work with suitable observability. That change does not resolve the actual requirement. Which correction is most appropriate?

  1. Evaluate an async Business Rule or event-driven work with suitable observability
  2. Use a server-side GlideRecord query constrained to the intended table and conditions
  3. Move the shared calculation into an appropriately scoped Script Include and call it from server logic
  4. Use an after Business Rule with safe duplicate controls for the related side effect

Explanation

Correct Answer

D:

Use the indicated corrective approach. An after rule can react to a completed database operation but requires recursion and idempotency care. This meets the specific requirement for After business rule downstream action.

Incorrect Answers

A:

Not the appropriate correction: Evaluate an async Business Rule or event-driven work with suitable observability is relevant to Asynchronous business rule timing. Asynchronous server work decouples follow-up processing from the interactive transaction.

B:

Not the appropriate correction: Use a server-side GlideRecord query constrained to the intended table and conditions is relevant to Server GlideRecord query. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes.

C:

Not the appropriate correction: Move the shared calculation into an appropriately scoped Script Include and call it from server logic is relevant to Reusable server helper. A Script Include centralizes reusable server logic and makes testing changes more manageable.

Question 200

A developer proposes this approach: Use an after Business Rule with safe duplicate controls for the related side effect. Which business requirement is the strongest reason to choose it?

  1. Once a request is inserted, an independent related audit record must be created from the saved state.
  2. A nonurgent enrichment action should run after record submission without delaying the user's form response.
  3. A nightly server operation needs to find open assignments matching a known group and update a controlled field.
  4. Three business rules independently repeat a long vendor risk calculation and frequently drift apart.

Explanation

Correct Answer

A:

This business need directly motivates Use an after Business Rule with safe duplicate controls for the related side effect; An after rule can react to a completed database operation but requires recursion and idempotency care.

Incorrect Answers

B:

The described situation is better addressed by Evaluate an async Business Rule or event-driven work with suitable observability. Asynchronous server work decouples follow-up processing from the interactive transaction.

C:

The described situation is better addressed by Use a server-side GlideRecord query constrained to the intended table and conditions. GlideRecord provides server-side record access, and a narrow query avoids unintended bulk changes.

D:

The described situation is better addressed by Move the shared calculation into an appropriately scoped Script Include and call it from server logic. A Script Include centralizes reusable server logic and makes testing changes more manageable.