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ServiceNow Certified Application Developer Practice Test

Servicenow-CAD exam Format | Course Contents | Course Outline | exam Syllabus | exam Objectives

Exam Code: CAD
Exam Name: ServiceNow Certified Application Developer (CAD)
Number of questions: ~ 60 multiple choice / multiple response questions
Time allowed: ~ 90 minutes
Passing Score: Pass/Fail (exact cutoff not publicly disclosed)

Designing and Creating an Application

- Determine if an application is a good fit with ServiceNow
- Design and implement a data model
- Create modules
- Use Application scope

Application User Interface

- Create- design- and customize forms
- Add/Remove fields from forms and tables
- Write- test- and debug client-side scripts for desktop
- Write- test- and debug server-side scripts
- Use a Record Producer as an application's UI

Security and Restricting Access

- Restrict access to applications and application modules
- Manually and automatically create- test- and debug Access Controls
- Use GlideSystem methods to script security
- Use Application Scope to protect application artifacts

Application Automation

- Write- test- and debug Workflow and Flow Designer
- Create and use Application Properties
- Create Events- Scheduled Script Executions (Scheduled Jobs)- and Utils (application) Script Includes
- Send and receive email

Working with External Data

- Import data in CSV or Excel format
- Integrate to- including testing and debugging- an external data source using REST

Managing Applications

- obtain and install applications
- Use Delegated Development to manage source code and code review
- Use Update sets to manage application development.

Database Administration

- Data Schema and Management: Design and manage tables- fields- and relationships (e.g.- reference fields- many-to-many). Understand schema best practices for custom applications.
- Application Access: Configure roles- groups- and permissions for scoped apps. Implement domain separation if applicable.
- Import/Export Sets: Create and use transform maps- data sources- and scheduled imports for data population.
- Hands-On Focus: Building tables in Studio- importing data via Excel- and troubleshooting schema conflicts.

User Interface & Experience

- Forms and Views: Customize form layouts- sections- and UI policies for dynamic behavior (e.g.- show/hide fields).
- Lists and Dashboards: Configure list views- filters- and reporting widgets for end-user consumption.
- Navigation and Branding: Use Service Portal widgets- themes- and mobile UI adaptations.
- Hands-On Focus: Creating responsive forms- adding client scripts for validation- and embedding dashboards in workspaces.

Application Security

- Access Control Lists (ACLs): Write conditions and scripts for read/write/execute permissions on tables and fields.
- Security Rules: Implement context-sensitive security- query business rules- and role-based access.
- Best Practices: Avoid common pitfalls like over-permissive ACLs; test for unauthorized access.
- Hands-On Focus: Debugging ACL denials- scripting secure queries (e.g.- using gs.getUser().hasRole())- and securing APIs.

Development Tools

- Studio and Update Sets: Use Application Studio for building scoped apps; capture and deploy changes via update sets.
- Version Control: Integrate with external tools (e.g.- Git) and manage app versions.
- Debugging: Utilize logging- breakpoints- and the Script Debugger.
- Hands-On Focus: Publishing apps to the ServiceNow Store- merging update sets- and troubleshooting deployment issues.

Application Automation

- Business Rules and Workflows: Script server-side logic (e.g.- before/after queries) and design flowcharts in Flow Designer.
- Scheduled Jobs and Events: Trigger asynchronous actions and notifications.
- Integration: Use REST/SOAP APIs for inbound/outbound messaging.
- Hands-On Focus: Automating approvals with subflows- handling GlideRecord queries- and error-handling in scripts.

Developer Tools & Best Practices

- Scripting Fundamentals: Client-side (g_form- GlideAjax) vs. server-side (GlideRecord- GlideSystem) APIs.
- Performance Optimization: Index fields- limit queries- and use asynchronous processing.
- Testing and Extensibility: Unit testing with ATF (Automated Test Framework)- ensuring apps are upgrade-safe.
- Hands-On Focus: Writing efficient scripts- refactoring code for reusability- and preparing for production deployment.

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Question: 1226
When configuring a Data Source for a CSV import, which option determines how records
will be identified as duplicates?
A. Primary Key
B. Unique Identifier
C. Coalesce Field
D. Record ID
Answer: C
Explanation: The Coalesce Field in a Data Source configuration determines how records
will be identified as duplicates. If the coalesce field matches an existing record, that
record will be updated instead of creating a new one.
Question: 1227
Responsive form in Service Portal for travel requests validates attachments size <5MB
with File API, client script onChange="if (file.size > 5*1024*1024) rejectFile();". Theme
.upload-zone { border: 2px dashed var(--upload-border); }. On iOS, drag-drop fails,
reverting to click. Mobile form .col-sm-6 jumps on reject. What API polyfill and theme
stabilize?
A. Script: if (window.FileReader) { reader = new FileReader(); reader.onload = e => { if
(e.total > 5242880) { alert('Too large'); return; } }; } else { /* polyfill */ } and theme CSS
.col-sm-6 { transition: none; min-height: 100px; } @media (max-width: 576px) {
.upload-zone { border-style: solid; } }.
B. Use ng-file-upload, and theme SCSS $file-reject: box-shadow: inset 0 0 0 3px red;.
C. Server size check, and theme variable --jump-prevent: position: relative;.
D. Dropzone.js lib, and media query .form-row { align-items: stretch; }.
Answer: A
Explanation: The FileReader check with polyfill handles iOS drag-drop fallback,
validating size <5MB accurately. Theme .col-sm-6 { transition: none; min-height: 100px;
} prevents jumps on reject, with @media mobile adjusting .upload-zone border for touch,
ensuring responsive stability in travel form.
Question: 1228
In ServiceNow, which property must be configured to enable the use of Git branches for
application development?
A. glide.git.versioning.enabled
B. glide.git.integration.enabled
C. glide.git.repository.enabled
D. glide.git.branching.enabled
Answer: D
Explanation: The property `glide.git.branching.enabled` must be set to true to allow
developers to use Git branches for managing different versions of their applications.
Question: 1229
A developer is implementing a GlideSystem method to log security events. Which
method should be used to ensure that the event is logged correctly with the appropriate
level of severity?
A. gs.info("message")
B. gs.error("message")
C. gs.logEvent("event_name", "message")
D. gs.warning("message")
Answer: C
Explanation: The method `gs.logEvent("event_name", "message")` is used to log security
events with a specified event name, allowing for better tracking and management of
security-related activities.
Question: 1230
For a Script Include utility in a scoped app, the getRelatedMetrics() function uses
GlideRecord on metric_instance with addQuery('table', 'incident').addQuery('field',
'state'), grouping by sys_ids via addAggregate('COUNT', 'value'), then returns a JSON
object for client consumption. Called from a beforeQuery Business Rule to filter low-
metric incidents. In Vancouver release, it hits query limits on large tables. What
performance tweak uses indexed fields?
A. Add gr.setLimit(1000); and gs.cache() the results with 1-hour TTL for repeated calls.
B. Switch to GlideAggregate exclusively, adding addGroupBy('record.sys_id') before
query, ensuring indexes on state and sys_id.
C. Integrate with Performance Analytics for pre-aggregated metrics, querying
pa_indicators via REST API.
D. Use gs.query() with raw SQL for custom grouping, bypassing GlideRecord
abstractions.
Answer: B
Explanation: GlideAggregate with addGroupBy('record.sys_id') efficiently groups
metrics without full table scans, assuming indexes on metric_instance.state and record
(sys_id). Code: var ga = new GlideAggregate('metric_instance'); ga.addQuery('table',
'incident'); ga.addQuery('field', 'state'); ga.addAggregate('COUNT');
ga.addGroupBy('record.sys_id'); ga.query(); var metrics = {}; while(ga.next())
metrics[ga.record.sys_id] = ga.getAggregate('COUNT'); return JSON.stringify(metrics);.
This resolves limits in beforeQuery rules for scaled environments.
Question: 1231
Washington scenario: Multi-US merge for "Integration Hub Extensions," parent US "IH-
Parent" references child "IH-Child" with sys_update_set.parent='ih_parent_sys_id.'
Merge fails: "Orphaned child: no parent link." What query and update script repairs?
A. var child = new GlideRecord('sys_update_set'); child.addQuery('name', 'IH-Child');
child.query(); if (child.next()) { child.parent = 'ih_parent_sys_id'; child.update(); }
gs.validateMerge('parent_id').
B. Delete child.
C. Manual link.
D. Query child US; set parent; gs.mergeUS('IH-Parent', 'children').
Answer: A
Explanation: Orphaned children break merges. The GlideRecord links them explicitly,
with validateMerge ensuring integrity before proceeding in multi-US hierarchies.
Question: 1232
In a form, how can a developer dynamically change the visibility of a field based on
another field's value?
A. Using a UI Policy
B. Using a Business Rule
C. Using a Data Policy
D. Using a Client Script
Answer: A
Explanation: UI Policies allow developers to dynamically change the visibility of fields
based on the value of other fields, enhancing user experience.
Question: 1233
What is the result of setting a field's "Visible" property to false in the Form Layout?
A. The field is still accessible via scripts but not displayed on the form.
B. The field is removed from the database.
C. The field is hidden from all users, regardless of roles.
D. The field can still be accessed through reports.
Answer: A
Explanation: Setting a field's "Visible" property to false hides it from the form but does
not remove it from the database, allowing it to be accessed programmatically.
Question: 1234
Integrating with paginated API /data?cursor=next, where cursor is opaque string, but
script assumes numeric page. To handle cursor param, loop until null cursor in response,
accumulate results >1000 rows with memory check, and abort if >10k, what code?
A. r.setQueryParameterNoEscape('cursor', cursor);
B. for (var page=1; page<10; page++) { r.setQueryParameter('page', page); }
C. var total = 0; while (total < 1000) { /* pull */ }
D. var results = []; var cursor = ''; do { var r = new sn_ws.RESTMessageV2('Data_Pull',
'GET'); if (cursor) r.setQueryParameter('cursor', cursor); var resp = r.execute(); var body
= JSON.parse(resp.getBody()); results = results.concat(body.data); cursor =
body.next_cursor; if (results.length > 10000) { gs.error('Exceeded limit'); break; } if
(gs.getMemoryUsage() > 0.8) { gs.sleep(5000); } } while (cursor); /* process results */
Answer: D
Explanation: Looping with cursor param until null, concatenating data arrays, checking
length for abort and memory usage for pauses prevents overload, handling opaque
cursors correctly for full pagination.
Question: 1235
Form 'Software License': sections 'License Info' (product ref, seats integer), 'Usage'
embedded list (user ref, filter 'license=^EQ'), 'Compliance' (ratio calc seats/used). UI
Policy: if ratio <0.8, show 'Overusage Alert' mandatory action plan. onChange product
update seats default GlideAjax.
A. No policy.
B. No embedded.
C. Server calc.
D. Layout embedded filter; calc dictionary; policy ratio<0.8 show/mandatory; onChange
GlideAjax set seats.
Answer: D
Explanation: Layout with embedded usage list filtered; dictionary calc 'used = count
users, ratio=seats/used'. Policy condition ratio<0.8 shows alert section mandatory.
onChange GlideAjax to product include sets default seats, for license management in
Yokohama.
Question: 1236
In ServiceNow, which of the following methods can be used to create a new record in a
table?
A. GlideRecord.create()
B. GlideRecord.newRecord()
C. GlideRecord.add()
D. GlideRecord.insert()
Answer: D
Explanation: The `insert()` method is used to create a new record in the specified table,
while `create()` and `newRecord()` are not valid GlideRecord methods.
Question: 1237
In a high-availability setup, a Scheduled Job executes every 15 minutes to process
pending 'u_batch_import' records, uses GlideMultipleUpdate for bulk updates on up to
10,000 records matching 'status=pending' and 'import_date < gs.minutesAgoStart(30)',
calculates checksums via a custom Script Include for each batch, and fires
'batch.processed' event per successful batch with parameters for row count and errors
array. To prevent timeouts, it must chunk queries in 1,000-record batches. What is the
advanced script for this job?
A. var offset = 0; do { var gmu = new GlideMultipleUpdate('u_batch_import');
gmu.addQuery('status', 'pending'); gmu.addQuery('import_date', '<',
gs.minutesAgoStart(30)); gmu.setLimit(1000, offset); var util = new
BatchChecksumUtil(); gmu.executeScript('if (current.status == "pending") {
current.checksum = util.compute(current.file_data); current.status = "processed"; }');
offset += 1000; } while (offset < 10000); gs.eventQueue('batch.processed', gmu, offset,
'[]');
B. var gr = new GlideRecord('u_batch_import');
gr.addEncodedQuery('status=pending^import_dateC. var chunk = 0; while (true) { var gr
= new GlideRecord('u_batch_import'); gr.addQuery('status', 'pending');
gr.addQuery('import_date', '<', gs.minutesAgoStart(30)); gr.setLimit(1000, chunk *
1000); gr.query(); if (gr.getRowCount() == 0) break; var errors = [];
gr.forEach(function(record) { var chk = new
BatchChecksumUtil().compute(record.file_data); if (chk) { record.status = 'processed';
record.checksum = chk; record.update(); } else { errors.push(record.number); } });
chunk++; } gs.eventQueue('batch.processed', null, chunk * 1000, errors.join(','));
D. var offset = 0; var batchSize = 1000; var processed = 0; var errors = []; do { var gr =
new GlideRecord('u_batch_import'); gr.addQuery('status', 'pending');
gr.addQuery('import_date', '<', gs.minutesAgoStart(30)); gr.setLimit(batchSize);
gr.setWorkflow(false); gr.autoFlush(false); gr.queryWithLimit(offset, batchSize); if
(!gr.hasNext()) break; var gmu = new GlideMultipleUpdate(gr);
gmu.setInlineUpdates(true); while (gr.next()) { var checksum = new
BatchChecksumUtil().compute(gr.file_data); if (checksum) { gr.status = 'processed';
gr.checksum = checksum; } else { errors.push(gr.sys_id); } } gmu.execute(); processed
+= gr.getRowCount(); offset += batchSize; } while (offset < 10000); if (processed > 0) {
gs.eventQueue('batch.processed', null, processed.toString(), JSON.stringify(errors)); }
Answer: D
Explanation: The script in option A implements chunking with queryWithLimit(offset,
batchSize) for precise pagination, uses GlideMultipleUpdate with autoFlush(false) and
inline updates for bulk efficiency, computes checksums in the loop, accumulates errors,
and queues the event with stringified array for complex parm2. It caps at 10,000 to
prevent overload. Option B processes all at once risking timeouts, C uses forEach which
is slower than GMU, and D misuses executeScript on GMU which doesn't support Script
Includes directly.
Question: 1238
In "Vendor Risk Analyzer" scoped application, a pie chart module must slice data from
"u_risk_assessments" by category, but incorporate global "sys_category" labels only
through a joined query filtered by app namespace to avoid label dilution. What server
data script for the widget implements this join?
A. var join = new GlideRecord('u_risk_assessments'); join.addJoinQuery('sys_category',
'sys_id', 'u_category_ref'); join.addAggregate('COUNT_DISTINCT',
'sys_category.label'); join.query(); data.categories = join.getAggregates(); with filter
namespace=x_vendor_.
B. Script: var catGr = new GlideRecord('sys_category'); catGr.addQuery('sys_scope',
gs.getCurrentScopeName()); catGr.query(); var data = []; for (var i=0; iC. Widget > Pie
chart, Server data: var gr = new GlideAggregate('u_risk_assessments');
gr.addAggregate('COUNT'); gr.addQuery('u_category', '!=', '');
gr.addJoinQuery('sys_category', 'u_category', 'sys_id', 'label');
gr.addQuery('sys_category.namespace', 'CONTAINS', 'x_vendor_'); gr.query(); var slices
= []; while(gr.next()) { slices.push({label: gr.label, value: gr.getAggregate('COUNT')}); }
data.slices = slices;.
D. Server script: function getPieData() { var ns = gs.getScopeAbbreviation(); var q = new
GlideEncodedQuery('u_risk_assessments', 'u_category!=empty');
q.addJoin('sys_category', {condition: 'namespaceLIKE' + ns}); return
q.getAggregate('GROUP_CONCAT', 'u_category.label~COUNT'); } data.pie =
getPieData();.
Answer: C
Explanation: Pie chart widgets in Vendor Risk Analyzer use addJoinQuery() with
namespace filters on sys_category to aggregate counts by scoped labels only, producing
clean slices. Washington DC's aggregate joins support this efficiently. Loops are slow for
large data, and encoded queries don't join.
Question: 1239
A scoped feedback app's scheduled job runs weekly to analyze x_feedback records with
u_rating <3, uses Utils to sentiment-analyze text via integrated NLP property call,
categorizes into themes using switch on keywords, aggregates counts per theme with
GlideAggregate, generates bar chart HTML, attaches as PNG via base64, emails report if
negative feedback >20%, and queues 'feedback.improve' event with top theme. What
aggregation code produces the report?
A. Job Script: var util = new x_feedback.Utils(); util.analyzeWeekly();
B. Job Script: var ga = new GlideAggregate('x_feedback'); ga.addQuery('u_rating', '<', 3);
ga.addQuery('sys_created_on', '>=', gs.weeksAgoStart(1)); ga.addAggregate('COUNT');
ga.groupBy('u_theme'); ga.query(); var themes = {}; while(ga.next()) {
themes[ga.u_theme.toString()] = ga.getAggregate('COUNT'); } var totalNeg =
Object.values(themes).reduce((a,b)=>a+b,0); var topTheme =
Object.keys(themes).reduce((a,k)=> themes[k]>themes[a]?k:a); var html = '
'; var em = new GlideEmailOutbound();
em.setBodyHTML(html); if (totalNeg > 0.2 * totalNeg) { wait, if totalNeg >20% of all?
Assume all is totalNeg for neg only. Adjust: var allGa = new
GlideAggregate('x_feedback'); allGa.addQuery('sys_created_on', '>=',
gs.weeksAgoStart(1)); allGa.addAggregate('COUNT'); allGa.query(); var allCount =
allGa.getAggregate('COUNT'); if (totalNeg / allCount > 0.2) {
em.addAttachment(base64Chart, 'report.png', 'image/png'); gs.send(em);
gs.eventQueue('feedback.improve', topTheme, totalNeg); } };
C. Job Script: gr.query(); gr.deleteMultiple();
D. Job Script: gs.getMessage('report');
Answer: B
Explanation: The weekly job queries low-rated feedback from past week using
gs.weeksAgoStart(1), aggregates count per u_theme with groupBy, sums negative total,
finds top theme with reduce, generates HTML with embedded Chart.js script for bar chart
using JSON data, calculates percentage against all weekly feedback count from separate
aggregate, attaches base64 PNG if >20%, sends email, and queues improvement event
with theme and count, enabling data-driven insights.
Question: 1240
For a branded Service Portal navigation in an HR app, the theme uses CSS variables --
nav-link-hover: rgba(0,123,255,0.1); and requires RTL support for Arabic locales via
dir="rtl". The widget uses spAriaFocusManager for keyboard nav, but on RTL mobile,
focus indicators shift left. The nav is .sp-horizontal-nav with flexbox. What theme and
widget code enable RTL adaptation without breaking hover effects?
A. Use AngularJS $locale.id, and theme variable --rtl-margin: 0 1rem 0 0; with media
query for mobile RTL.
B. Server script to set c.data.rtl = gs.getSession().getLanguage() === 'ar'; and theme
SCSS @mixin rtl { transform: scaleX(-1); } for focus.
C. Widget client: spAriaFocusManager.init(c, '.sp-nav-link'); and theme CSS [dir="rtl"]
.sp-horizontal-nav { flex-direction: row-reverse; } :focus { outline-offset: -2px; right: 0;
}.
D. CSS logical properties margin-inline-start: 1rem; and widget event 'keydown' with
e.keyCode === 37 for RTL left arrow.
Answer: C
Explanation: Initializing spAriaFocusManager in the client controller ensures keyboard
navigation, while theme [dir="rtl"] .sp-horizontal-nav { flex-direction: row-reverse; }
reverses flexbox for RTL, adjusting :focus { outline-offset: -2px; right: 0; } to position
indicators correctly on mobile. This preserves --nav-link-hover effects and supports
Arabic locales in the HR app's branded navigation.
Question: 1241
In ServiceNow, which of the following is a best practice when handling API responses in
server-side scripts?
A. Ignore the response if the API call fails.
B. Validate the response status code before processing the data.
C. Always log the raw response for debugging purposes.
D. Assume the response is always valid and proceed with processing.
Answer: B
Explanation: Validating the response status code before processing the data ensures that
you only handle successful responses, preventing errors and ensuring data integrity.
Question: 1242
Scheduled script for 'u_backup_status' queries gr.addQuery('u_status', 'failed'); but ACL
denies for non-admins. Secure background query?
A. Script: gs.getSession().impersonate('admin'); gr.query();
B. Use GlideAjax to UI with admin role.
C. ACL read: answer = gs.getUserName() == 'system' || gs.getUser().hasRole('admin');
D. Run as user with backup role.
Answer: C
Explanation: Username check allows system queries without impersonation risks. This
secures background, avoiding over-permissive. Job logs debug access.
Question: 1243
In "Sustainability Impact Calculator" scoped app, a combo module (line + bar) forecasts
"u_emission_projections" against global "sys_forecast_baseline", but forecasts must
blend scoped projections with baseline via a weighted linear regression scoped to app
parameters. What regression script blends this?
A. function weightedBlend() { var scopeParam =
gs.getNumberProperty('x_sustain_.blend_weight', 0.5); var projGr = new
GlideRecord('u_emission_projections'); projGr.query(); var results = [];
while(projGr.next()) { var base = new
GlideRecord('sys_forecast_baseline').get(projGr.u_year); results.push({year:
projGr.u_year, value: projGr.u_emissions * scopeParam + base.value * (1 -
scopeParam)}); } return results; } data.blend = weightedBlend();.
B. var regress = new GlideLinearRegression(); regress.addData('u_emission_projections',
'u_year', 'u_emissions', {scope: gs.getScopeId()});
regress.addBaseline('sys_forecast_baseline', 0.4); data.forecast = regress.predict(2026);.
C. Script: var x = new GlideArray(); x.loadQuery('u_emission_projections^sys_scope=' +
gs.getCurrentScopeAbbreviation() + '^ORDERBYu_year'); var y = x.map(row =>
row.u_emissions); var baselineY = gs.getProperty('global.baseline_emissions'); var
blendedY = y.map(v => (v + baselineY) / 2); data.combo = {x: x.getValues('u_year'),
y_scoped: y, y_blend: blendedY};.
D. Combo chart, Server script: var scopedProj = []; var gr = new
GlideRecord('u_emission_projections'); gr.addQuery('sys_scope',
gs.getCurrentScopeName()); gr.orderBy('u_year'); gr.query(); while(gr.next()) {
scopedProj.push({x: gr.u_year, y: gr.u_emissions}); } var baseline = new
GlideRecord('sys_forecast_baseline'); baseline.get('default'); var weight = 0.6; // scoped
weight var blended = scopedProj.map(p => ({x: p.x, y: (p.y * weight) + (baseline.value *
(1 - weight))})); data.line = blended; data.bar = scopedProj;.
Answer: A
Explanation: Combo modules in Sustainability Impact Calculator use weighted averages
in a function blending scoped projections with global baselines via getNumberProperty()
for tunable scope param, producing arrays for line/bar. Xanadu's properties support
dynamic weights. Maps assume fixed baseline, and regressions require ML plugins.
Question: 1244
Which of the following is the correct way to reference a parameter passed to an event in a
script?
A. current.paramName
B. event.paramName
C. gs.event.paramName
D. gs.getEventParameter('paramName')
Answer: B
Explanation: In ServiceNow, parameters passed to an event can be referenced using the
`event.paramName` syntax. This allows access to the data associated with the event.
Question: 1245
When creating a report widget for a dashboard, which of the following settings must be
configured to ensure the report is visible to users?
A. Configure a data policy
B. Assign the report to a specific role
C. Set the report to public
D. Set the report as a favorite
Answer: C
Explanation: Setting the report to public ensures that all users with access to the
dashboard can view the report, regardless of their roles.
Question: 1246
What is the correct sequence of steps to create a new field in an existing table?
A. Use the Dictionary to create the field and then add it to the form
B. Modify the form layout, add the field, and then access the Table Configuration
C. Create a new form, add the field, and then save the changes
D. Access the Table Configuration, add the field, and then modify the form layout
Answer: D
Explanation: The correct sequence involves accessing the Table Configuration to add the
field and then modifying the form layout to include that new field.
Question: 1247
Washington DC scoped app "HROnboardFlow" uses Flow Designer with data pills
{{step.input.u_doc_type}}. Fix for pill reference error adds fallback. Capture excluding
subflow inputs. What pill filter?
A. Branch pill.
B. Set 'PillFix', pill refs.
C. Manual.
D. Filter: sys_flow_action ONLY, add || 'default', ^subflow.
Answer: D
Explanation: Washington DC's 'sys_flow_action ONLY' captures data pills
{{step.input.u_doc_type || 'default'}}, excluding subflows via ^ for reference integrity.
Question: 1248
An application developer needs to create a new table that requires several reference fields
to existing tables. What is the best practice for managing these relationships?
A. Create reference fields directly in the new table without any additional considerations.
B. Use a single reference field to link to a parent table and avoid multiple references.
C. Ensure that all reference fields are indexed for performance optimization.
D. Define foreign key constraints in the database for data integrity.
Answer: C
Explanation: Indexing reference fields is a best practice as it enhances performance when
querying related records, especially in applications with complex relationships.
Question: 1249
A query business rule on 'u_audit_log' must limit to logs created by user or in user's
department within 90 days, for 'audit_viewer' role, using gs.endOfLastMonth() for date
range, but skip if query count < 10 via GlideAggregate pre-check. What script?
A. var ga = new GlideAggregate('u_audit_log'); ga.addAggregate('COUNT');
ga.addEncodedQuery('created_by.department=' + gs.getUser().getDepartmentID() +
'^ORcreated_by=' + gs.getUserID() + '^created_on>=90 days ago'); ga.query(); if
(ga.next() && ga.getAggregate('COUNT') < 10) return; if
(gs.getUser().hasRole('audit_viewer')) current.addEncodedQuery('created_by=' +
gs.getUserID() + '^ORcreated_by.department=' + gs.getUser().getDepartmentID() +
'^created_on>=' + gs.daysAgoStart(90));
B. if (!gs.getUser().hasRole('audit_viewer')) { current.addQuery('sys_created_on', '>=',
gs.daysAgoStart(90)).addQuery('created_by',
gs.getUserID()).addOrCondition('created_by.department',
gs.getUser().getDepartmentID()); }
C. (function() { var countGa = new GlideAggregate('u_audit_log');
countGa.setLimit(10); countGa.addQuery('sys_created_on', '>=', gs.daysAgoStart(90));
countGa.query(); if (countGa.getRowCount() >= 10) { if
(gs.getUser().hasRole('audit_viewer')) { current.addQuery('created_by.department',
gs.getUser().getDepartmentID()).addOrCondition('created_by',
gs.getUserID()).addQuery('sys_created_on', '>=', gs.daysAgoStart(90)); } } })();
D. var cutoff = gs.daysAgoStart(90); if (gs.getUser().hasRole('audit_viewer'))
current.addEncodedQuery('(created_by=' + gs.getUserID() +
'^ORcreated_by.department=' + gs.getUser().getDepartmentID()) ^sys_created_on>=' +
cutoff);
Answer: D
Explanation: The script in option C directly applies the encoded query with OR
conditions and 90-day cutoff for audit viewers, efficient without pre-count which adds
overhead in query business rules. Option A pre-queries unnecessarily, B misses OR
properly, and D uses setLimit on aggregate incorrectly.
Question: 1250
To ensure that a business rule only runs when a specific field is modified, which
condition should be used?
A. current.field != previous.field;
B. previous.field == current.field;
C. current.field.changes();
D. current.field.changes();
Answer: C
Explanation: The correct condition to ensure a business rule only runs when a specific
field is modified is to use `current.field.changes()`, which checks if the field has changed.
Question: 1251
For 'u_it_asset_request' form, add 'u_justification' with char limit 1000, remove
'sys_created_on' from standard view, UI Policy sets 'u_approval_level' to 'manager'
default if cost >1000. Client script onChange 'u_cost' currency: if value>1000
g_form.setValue('u_approval_level','manager'); GlideAjax 'ApprovalRouter.route' param
cost, set 'u_routed_to' reference to response user sys_id, showInfoMessage('Routed to ' +
display name). Parse user name from XML.
A. Text; remove policy; Policy simple; onLoad route
B. String no limit; hide layout; condition >1000; script onChange setValue, Ajax attr
C. Dictionary u_justification max_length=1000; standard view remove created_on; UI
Policy condition u_cost >1000 default_value='manager' on u_approval_level; onChange
u_cost: if (parseFloat(value)>1000) g_form.setValue('u_approval_level','manager'); var
ga = new GlideAjax('ApprovalRouter'); ga.addParam('sysparm_name','route');
ga.addParam('sysparm_cost',value); ga.getXMLAnswer(function(r){ var userId =
r.responseXML.documentElement.getAttribute('user_id'); var userName =
r.getAttribute('user_name'); g_form.setValue('u_routed_to', userId);
g_form.addInfoMessage('Routed to ' + userName); })
D. Integer; view; condition cost.changesTo >1000; server
Answer: C
Explanation: Max_length enforces justification brevity. Standard view hides audit. Policy
defaults level on cost. onChange triggers if, Ajax routes to user, sets reference and
messages name for transparency.
Question: 1252
In a multi-domain ServiceNow environment, how can a developer ensure that users only
see records relevant to their domain?
A. Use global access controls for all records.
B. Implement domain-specific access controls on tables.
C. Create a single view for all users.
D. Rely on user roles to filter records.
Answer: B
Explanation: Implementing domain-specific access controls on tables ensures that users
only see records relevant to their domain, maintaining data privacy and security.
Question: 1253
When designing a data schema for a custom application, which of the following is a
recommended practice for managing large datasets?
A. Normalize the database to reduce redundancy.
B. Use single-table inheritance to simplify the schema.
C. Denormalize the database for faster read operations.
D. Avoid using reference fields to prevent complex joins.
Answer: A
Explanation: Normalizing the database helps to reduce redundancy and Excellerate data
integrity, which is crucial for managing large datasets effectively.
Question: 1254
Debugging a denial on update for 'u_incident_extensions' table reveals that a business
rule inserting extensions via GlideAjax from client script fails with "Security restricted:
write denied". The client script: var ga = new GlideAjax('MyUtils');
ga.addParam('sysparm_name', 'updateExtension'); ga.addParam('table',
'u_incident_extensions'); ga.getXMLAnswer();. Server-side MyUtils uses
gs.getUser().hasRole('itil') but ignores table ownership. To secure this API endpoint
against unauthorized updates, which scripted fix incorporates role and ownership checks?
A. Add to client: g_user.hasRoleExactly('itil') before GlideAjax, and server: answer =
gs.getUser().hasRole('itil') && current.incident.caller_id == gs.getUserID();
B. In MyUtils script include: if (!gs.getUser().hasRole('itil')) return; var gr = new
GlideRecordSecure('u_incident_extensions'); gr.addQuery('incident',
input.incident_sys_id); gr.query(); if (gr.next() && gr.assigned_to == gs.getUserID()) {
gr.update(); }
C. Create write ACL: script: answer = gs.getUser().hasRole('itil') &&
gs.getUser().getLocation() == current.location;
D. Use gs.eventQueue() in client to trigger server event with:
payload.hasOwnProperty('incident') && gs.getUser().hasRole('itil');
Answer: B
Explanation: GlideAjax callbacks must use GlideRecordSecure for ACL enforcement in
server-side updates, ensuring itil role and ownership (assigned_to match) prevent
unauthorized modifications. This secures the API by validating queries before updates,
avoiding denials from loose role checks. Debugging via logs identifies the restriction; the
fix tests for record existence and user assignment, embodying secure scripting best
practices without over-permissive event queues.
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