ServiceNow Certified Application Developer (CAD) Practice Questions
Domain coverage
- Designing and Creating an Application (20%)
- Application User Interface (20%)
- Security and Restricting Access (20%)
- Application Automation (20%)
- External Data Integration (10%)
- Managing Applications (10%)
Sample Questions (15 of 146 shown)
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Exam overview
The ServiceNow Certified Application Developer (CAD) credential is the vendor-recognized certification that validates your ability to design, build, secure, and deploy custom applications on the ServiceNow Now Platform. Administered by ServiceNow through Pearson VUE and the Now Learning portal, the CAD exam is widely regarded as the gateway certification for developers, technical consultants, and platform engineers who build scoped applications for enterprise customers.
Candidates are expected to already be comfortable with core platform administration concepts and to have at least six months of hands-on development experience on a personal developer instance (PDI) or production environment. Before purchasing the exam voucher, you must complete the Welcome to ServiceNow, Scripting in ServiceNow Fundamentals, and Application Development Fundamentals (ADF) courses inside Now Learning, since these courses map directly to the blueprint tasks.
The CAD blueprint is organized into six weighted domains, with the heaviest emphasis on application design, the application user interface, security, and automation (20% each). The remaining weight is split between External Data Integration (10%) and Managing Applications (10%), which together test your ability to move data in and out of the platform and to ship code through modern source control and deployment frameworks. Because the exam uses multiple-select items with no partial credit, you must be able to read short script snippets, debug ACL evaluation order, and pick the most efficient Glide API approach for a given scenario.
For candidates preparing for the CAD exam, our practice materials cover all six weighted domains in the same proportions as the real test, with online practice questions, detailed answer explanations, and a downloadable PDF that mirrors the single-select and multiple-select format you will see on exam day.
Official Exam Domains & Weighting
To successfully pass the CAD exam, candidates must master the following core domains:- Domain 1: Designing and Creating an Application (20%)
- Domain 2: Application User Interface (20%)
g_form API (onLoad, onChange, onSubmit), server-side UI scripting, and using Record Producers as a self-service record creation engine.- Domain 3: Security and Restricting Access (20%)
- Domain 4: Application Automation (20%)
- Domain 5: External Data Integration (10%)
- Domain 6: Managing Applications (10%)
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Frequently Asked Questions
Two areas consistently trip up first-time candidates. The first is Application Scope — you must understand exactly how cross-scope access is checked when a Scoped App calls an asset from the Global scope, and which Application Properties control that behavior. The second is the ACL evaluation hierarchy — ServiceNow processes table-level ACLs before field-level ACLs, and a "None" condition short-circuits the rest of the evaluation. Drilling scripted scenarios on both topics is the single highest-ROI activity before exam day.
No. The exam is a multiple-choice and multiple-select test — you will not type free-form code. However, you must be able to read and reason about short code snippets. Expect items that show you a few lines of GlideRecord or GlideAggregate and ask which approach is the most efficient, which property to set next, or which object method is missing. Treat code literacy, not code production, as the core study goal.
You should never call current.update() inside a before Business Rule, because doing so triggers a recursive loop that can degrade system performance and may also bypass script execution order. ServiceNow automatically commits any changes you make to the current object once the before rule finishes running. Reserve current.update() for after Business Rules or asynchronous flows where the record is being modified by a different process.
The credential does not expire on a fixed calendar — it stays valid as long as you complete the annual Mainline Maintenance (Delta) exams inside Now Learning when ServiceNow releases new platform versions. These delta exams are short, open-book, unproctored quizzes that confirm you are familiar with the latest release notes. Missing the maintenance window results in your certification being revoked until you complete the current delta exam.
The practice questions are written to match the real exam's style, weight distribution, and difficulty level. They cover the same six blueprint domains in the same proportions, use the same single-select and multiple-select formats, and require the same code-reading and scenario-analysis skills you will need on exam day. Every item comes with a detailed answer explanation that walks through the reasoning and references the relevant ServiceNow API or documentation.
The online mock exam and the downloadable PDF contain the same question bank, so you can switch between formats based on context. Use the online format for timed practice runs that simulate the real exam environment, and use the PDF for offline review during commutes or in environments without a stable internet connection. Your study progress transfers between the two since the questions and explanations are identical.
You must complete three mandatory courses on the Now Learning portal — Welcome to ServiceNow, Scripting in ServiceNow Fundamentals, and Application Development Fundamentals (ADF) — before you can purchase the exam voucher. ServiceNow also recommends at least six months of hands-on development experience on a personal developer instance (PDI) or production environment, plus working familiarity with the official ServiceNow Developer Site for GlideRecord, GlideAggregate, and Script Includes reference documentation.