- A
The scheduled job is running in a different time zone than the completion date field.
Why wrong: Time zone differences could affect date comparison, but the job uses system date.
- B
The scheduled job runs with a system user that does not have read access to the 'u_training' table.
If the job's user lacks read ACL, the query returns no records.
- C
The email notification requires an ACL that the system user does not have.
Why wrong: Email notifications typically use the sender's context, but the job's user may lack send permission.
- D
The 'u_completion_date' field is a date/time field but the script compares using date only.
Why wrong: If the field is date-only, comparison works. If date/time, the script may need to handle time portion, but the job still should find records if dates match.
Quick Answer
The answer is that the scheduled job fails to send the email because it runs under a system user context that lacks read ACL permissions on the 'u_training' table. When a scheduled job executes a GlideRecord query, ServiceNow enforces all access control rules based on the user context of the running job—typically the system user or the job creator. If that user does not have read access to the table, the query silently returns zero records, so no email is triggered even though the job runs without errors and the notification is correctly configured. This scenario tests your understanding of how ACLs interact with background scripts on the Certified Application Developer exam, where a common trap is assuming that a job running without errors means it has data access. The key distinction is that scheduled jobs are not interactive—they inherit the permissions of their execution context, not the logged-in user. Memory tip: “No read, no records—check the runner’s rights.”
SNOW-CAD Working with Data Practice Question
This SNOW-CAD practice question tests your understanding of working with data. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A ServiceNow developer is working on a custom application that tracks employee training completions. The application has a table 'u_training' with fields: u_name (string), u_completion_date (date), u_employee (reference to sys_user). The requirement is to automatically send an email to the employee one week before the training completion date. The developer created a scheduled job that runs daily and queries for trainings where the completion date is exactly 7 days from today. However, the email is not being sent. The developer has verified the email notification is configured correctly and the scheduled job runs without errors. The script uses GlideRecord to query the table. What is the most likely reason the email is not sent?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The scheduled job runs with a system user that does not have read access to the 'u_training' table.
The most likely reason the email is not sent is that the scheduled job runs with a system user that lacks read access to the 'u_training' table. In ServiceNow, scheduled jobs execute under a specific user context (often the 'system' user or the user who created the job). If that user does not have the required read ACL on the table, the GlideRecord query will return zero records, even though the job runs without errors and the email notification is correctly configured. The developer verified the email configuration and job execution, but did not check the security context of the running job.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The scheduled job is running in a different time zone than the completion date field.
Why it's wrong here
Time zone differences could affect date comparison, but the job uses system date.
- ✓
The scheduled job runs with a system user that does not have read access to the 'u_training' table.
Why this is correct
If the job's user lacks read ACL, the query returns no records.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
The email notification requires an ACL that the system user does not have.
Why it's wrong here
Email notifications typically use the sender's context, but the job's user may lack send permission.
- ✗
The 'u_completion_date' field is a date/time field but the script compares using date only.
Why it's wrong here
If the field is date-only, comparison works. If date/time, the script may need to handle time portion, but the job still should find records if dates match.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often focus on date comparison logic or time zone issues, but the real hidden cause is the security context of the scheduled job, which is a subtle but critical concept in ServiceNow development.
Detailed technical explanation
How to think about this question
In ServiceNow, scheduled jobs (scheduled script executions) run under the security context of the 'system' user by default, unless a specific user is assigned in the 'Run as' field. The system user has a restricted role set and may not have read access to custom tables unless explicitly granted via ACLs. GlideRecord queries silently return zero records when the running user lacks read permission on the table, which is a common pitfall. This behavior is by design to prevent information leakage, and it means the developer must ensure the scheduled job's user has appropriate read access or use 'setWorkflow(false)' and 'setScope' carefully.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Working with Data — study guide chapter
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FAQ
Questions learners often ask
What does this SNOW-CAD question test?
Working with Data — This question tests Working with Data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The scheduled job runs with a system user that does not have read access to the 'u_training' table. — The most likely reason the email is not sent is that the scheduled job runs with a system user that lacks read access to the 'u_training' table. In ServiceNow, scheduled jobs execute under a specific user context (often the 'system' user or the user who created the job). If that user does not have the required read ACL on the table, the GlideRecord query will return zero records, even though the job runs without errors and the email notification is correctly configured. The developer verified the email configuration and job execution, but did not check the security context of the running job.
What should I do if I get this SNOW-CAD question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jun 11, 2026
This SNOW-CAD practice question is part of Courseiva's free ServiceNow certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SNOW-CAD exam.
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