SNOW-CAD Practice Test 14 — 15 Questions

Question 1

Refer to the exhibit. What is the primary issue with this script if it is intended to update all incidents in state 'New' (state=1) to priority 2?

Accepted Answer

The script will cause an infinite loop.. The primary issue is that calling gr.update() inside the while loop on the same GlideRecord object causes an infinite loop. When a business rule or trigger runs on update and re-queries the same set of records, gr.next() may keep returning true as newly updated records might still satisfy the query condition. Option A is incorrect because setValue syntax is correct. Option B is incorrect as next() iterates correctly. Option D is a possible secondary effect but not the primary issue.

Answer

The script will not update any records because of a syntax error in setValue.

Answer

The script will update only the first record because next() is used incorrectly.

Answer

The script will update records but may cause performance issues.

Question 2

A developer is working with a custom table 'u_project_task' that has a reference field 'u_project' pointing to the 'project' table. The developer wants to create a new field 'u_category' that lists values from a choice list, but the list should be filtered based on the value of 'u_project.u_type'. Which field type should be used?

Accepted Answer

Choice field with a dependent choice list. A choice field with a dependent choice list allows the list of values in 'u_category' to be dynamically filtered based on the value of another field, in this case 'u_project.u_type'. This is the standard ServiceNow approach for creating cascading or conditional choice lists without custom scripting.

Answer

Choice field with a static choice list

Answer

Calculated value using a script

Answer

Reference field to a table of categories

Question 3

Which of the following is a best practice when creating REST API endpoints?

Accepted Answer

Use versioning in the API path.. Versioning the API path (e.g., /api/now/v1/incident) is a best practice to manage changes without breaking existing consumers.

Answer

Use GET methods for data modification.

Answer

Pass sensitive data in URL parameters.

Answer

Return all data without pagination.

Question 4

Which THREE of the following statements are true about ACLs? (Choose three.)

Accepted Answer

An ACL with 'require_role' set to true will only be checked after the user has at least one role in the ACL's role list.. The 'require_role' attribute on an ACL record means the ACL rule is only evaluated after the system confirms the user has at least one of the roles listed in the ACL's role list. Option B is correct: by default, if no explicit ACL is defined for a table, the default ACL grants read access to all users. Option C is incorrect: ACLs are evaluated in a deterministic order based on type and the 'order' field, not the script condition. Option D is incorrect: ACLs are enforced on data access operations (e.g., GlideRecord queries), but they are not directly 'enforced on server-side scripts'—scripts can bypass ACLs if run with elevated privileges. Option E is correct: condition scripts on table ACLs can restrict access to specific records.

Answer

ACLs are evaluated in a deterministic order based on the type (record, field, etc.) and the script condition.

Answer

ACLs can be enforced on server-side scripts.

Question 5

In ServiceNow Studio, which role is required to create a new scoped application?

Accepted Answer

Admin role. Only users with the admin role can create scoped applications in ServiceNow Studio. Option A is incorrect because a global scope update set is not a role; it is a type of update set. Option B is incorrect because not all users have the ability to create applications; it requires the admin role. Option C is incorrect because the Application Creator role does not exist as a standard role; the admin role is required.

Answer

A global scope update set

Answer

No special role; any user can create applications

Answer

Application Creator role

Question 6

A developer needs to create a UI Policy that hides a field when a checkbox is checked. The UI Policy has a condition: 'State is 2'. The field should be hidden when the checkbox is checked and state is 2. What is the correct approach?

Accepted Answer

Set condition to 'state=2' and add a script action that sets the field's visible attribute based on the checkbox value. UI Policies have both a condition and actions. The script action can evaluate additional conditions. The best practice is to set the condition to the primary filter (state=2) and add a script action to set the field's visibility based on the checkbox. Option A describes that correctly.

Answer

Add both conditions in the condition builder: checkbox=true AND state=2

Answer

Set condition to 'state=2' and add a reverse if false action with a condition on the checkbox

Answer

Use a Client Script instead of UI Policy

Question 7

To debug a Business Rule that runs on update, which technique is most efficient?

Accepted Answer

Use the Business Rule debug tool.. The Business Rule debug tool provides a dedicated interface for stepping through business rule execution, inspecting variable values, and identifying issues without modifying code. Options A, C, and D are less efficient: A (breakpoint) and C (Studio debugger) require more setup and are not as streamlined for business rules, while D (gs.log()) requires scrolling through logs and does not offer interactive debugging.

Answer

Add a breakpoint in the script.

Answer

Use the debugger in Studio.

Answer

Insert a gs.log() message.

Question 8

Which TWO statements are true about ServiceNow Business Rules? (Select TWO)

Accepted Answer

Business Rules can be set to run on 'before' or 'after' the database operation.. Business Rules are server-side scripts that execute when a record is inserted, updated, deleted, or queried. They can be configured to run 'before' the database operation (to modify data before it is saved) or 'after' the operation (to perform additional actions like logging or notifications). This flexibility is a core feature of the ServiceNow platform.

Answer

Business Rules run on the client side.

Answer

Business Rules can only be triggered by updates to a record.

Answer

Business Rules are executed asynchronously by default.

Question 9

A company needs to prevent updates to a field after a record has been in state 'Closed' for more than 30 days. What is the best approach?

Accepted Answer

Use a Business Rule on update with condition state=Closed and days since closed > 30, and abort action when field is being updated.. It uses a Business Rule on update with condition state=Closed and days since closed > 30, and abort action when the field is being updated. This server-side rule directly prevents any updates to the field after the condition is met. Option A (Business Rule on query) runs on query, not on update, so it does not prevent updates. Option B (UI Policy) is client-side only and can be bypassed by direct web service or scripted updates. Option C (Business Rule when state changes to Closed, set field read-only) only makes the field read-only at the time of closure, but after 30 days it may not be enforced; also read-only is client-side and not a true prevention.

Answer

Use a Business Rule on query to check state and field value.

Answer

Use a UI Policy to set field read-only.

Answer

Use a Business Rule with condition when state changes to Closed, set the field to read-only.

Question 10

A developer wants to use a script include to reuse logic across multiple business rules. Which two considerations should be made? (Choose two.)

Accepted Answer

Script includes should not have side effects on current record.. Options B and D are correct. B: Script includes should not have side effects on current record to maintain reusability. D: Script includes can be scoped and still accessible from business rules in the same scope. A is incorrect because script includes can call other script includes. C is incorrect because script includes do not need to be global; they can be scoped. E is incorrect because they are not auto-evaluated.

Answer

Script includes cannot call other script includes.

Answer

Script includes must be global to be accessible from all scopes.

Answer

Script includes are automatically evaluated at server start.

Question 11

A ServiceNow instance has a business rule that runs on after query on the Incident table. The rule adds a condition to the query to filter out incidents with state = 'Closed'. Recently, an update set containing a new business rule was installed, and now the filter is not applied. What might have caused this?

Accepted Answer

The new business rule uses query.setCondition() to set the query condition, replacing the existing condition. The new business rule likely uses query.setCondition() which replaces any existing conditions, including the filter from the existing rule. Option A is less likely because order determines execution sequence, but setCondition replaces. Option B is incorrect. Option D is irrelevant.

Answer

The new business rule has a higher order than the existing rule

Answer

The existing business rule is set to run only on insert

Answer

The new business rule uses glide.addNullQuery

Question 12

Which three actions require a business rule to be set to 'before' to work correctly? (Choose three.)

Accepted Answer

Setting a default value on a new record. Options C, D, and E are correct. C: Setting a default value on a new record must occur before the record is saved to the database. D: Updating a field on the current record must be done before the record is saved, because after save the record is already stored. E: Aborting the current transaction must happen before the database write; in an after business rule, the transaction has already been committed. Options A (sending an email notification) and B (deleting a related record) can be performed in after business rules because they do not require modifying the record before it is saved.

Answer

Sending an email notification

Answer

Deleting a record related to the current record

Question 13

A scheduled import brings in 50,000 records daily. Which approach is the MOST efficient for transforming these records?

Accepted Answer

Load all rows first, then run the transform as a batch process. Loading all rows into the staging table first and then running the transform as a batch process is the most efficient for 50,000 records because it minimizes overhead and leverages bulk processing. Option B is incorrect because transforming each row individually introduces significant per-record overhead. Option C is incorrect because database views are not designed for import transforms and may not support required mappings. Option D is incorrect because direct insert statements bypass import set logic and transform rules.

Answer

Run the transform after each row is inserted into the staging table

Answer

Use a database view to transform data on the fly

Answer

Write directly to the target table using insert statements

Question 14

Refer to the exhibit. A MID Server is failing to connect to an external Oracle database. The error log shows the above message. Which is the most likely cause?

Accepted Answer

The database instance name (service name) is incorrect in the configuration.. Error ORA-12514 indicates that the listener received a connection request but the service name (in the connect descriptor) is not known to the listener. This usually means the database service name is incorrect or the listener is not configured for that service.

Answer

The firewall is blocking port 1521.

Answer

The Oracle client is not installed.

Answer

The MID Server is not running.

Question 15

What is the purpose of the 'Coalesce' field in a transform map?

Accepted Answer

To use a field to match existing records and avoid duplicates.. The Coalesce field is used to specify which fields to use for matching existing records to avoid duplicates during import.

Answer

To remove null values from the import.

Answer

To combine multiple fields into one.

Answer

To convert data types.