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Welcome to the ultimate guide on Service Portal Interview Questions & Answers.

⭐ SECTION 1: BASICS (FOR FRESHERS)

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1. What is Service Portal in ServiceNow?

Answer:
Service Portal is a user-friendly website inside ServiceNow where employees can submit requests, search knowledge articles, raise incidents, etc.

Example:
When you open a company website to raise an IT ticket — that is a Service Portal page.

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2. Why do companies use Service Portal in Service Portal Interview Questions & Answers?

Answer:
Because it provides:
✔ Simple UI for non-technical users
✔ Mobile-friendly experience
✔ Easy to customize
✔ Faster access to forms, catalog items, and knowledge

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3. What is a Portal Page?

Answer:
A web page inside the portal that contains widgets.

Example:
A homepage with “Search bar”, “Submit incident”, “Request laptop” tiles.

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4. What is a Widget?

Answer:
A widget is a small application block inside Service Portal created using:

• HTML
• CSS
• AngularJS
• Server script (for backend logic)

Example:
A widget that shows “My Active Tickets”.

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5. What is a Catalog Item?

Answer:
A catalog item is a service request form a user fills inside portal.

Example:
Request new laptop → catalog item.

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6. What is a Record Producer?

Answer:
Record producer is a form in the portal that creates a record in any table.

Example:
“Report a broken chair” creates a record in the Facilities table.

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7. Difference between Record Producer and Catalog Item?

Feature	Catalog Item	Record Producer
Purpose	Request a service	Create any record
Example	Request laptop	Create incident

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8. What is a Theme?

Answer:
Theme controls colors, fonts, and general look of the portal.

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9. What is Portal Branding?

Answer:
Customizing the portal design:
✔ Logo
✔ Color
✔ Header/footer
✔ Background

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10. Is Service Portal mobile responsive?

Answer:
Yes, it works on mobile, tablet, and desktop automatically.

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⭐ SECTION 2: INTERMEDIATE (BOTH FRESHERS & EXPERIENCED)

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11. What is the structure of a Widget?

A widget has:

1. HTML template → UI
2. Client script (AngularJS) → user actions
3. Server script → business logic / Glide API
4. CSS → styling
5. Widget options → parameters

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12. What is AngularJS in Service Portal?

Answer:
It is the frontend scripting language used in widgets for dynamic actions like:

• button clicks
• fetch data
• refresh UI

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13. What is a Portal Container Page?

Answer:
The main layout page that contains:

• Header
• Footer
• Sidebar
• Main content area

Every portal page loads inside this container.

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14. What is the difference between Service Portal and UI Pages?

Feature	Service Portal	UI Page
Technology	AngularJS + Bootstrap	Jelly/HTML
Performance	Fast	Slower
Mobile	Fully mobile	Not fully
Usage	Modern portals	Legacy development

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15. What is a URL Suffix?

Answer:
The end part of the URL that identifies a portal page.
Example:
/sp?id=sc_home
Here sc_home is the URL suffix.

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16. What is a Variable Set in Service Portal?

Answer:
A group of reusable variables used in multiple catalog items.

Example:
“User Details” (name, email, phone) → used in many items.

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17. What is Widget Instance?

Answer:
A copy of a widget used on a page with custom settings.

Example:
Same “Ticket List” widget but showing:

• tickets for IT on one page
• tickets for HR on another page

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18. How do you call server script from client script?

Using:

c.server.get({...})

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19. What is GlideRecord?

Answer:
API used in server script to fetch or update data.

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20. How to debug widgets?

✔ Browser console
✔ Network tab
✔ spWidgetDebug
✔ Server logs
✔ Add debug statements in server/client scripts

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⭐ SECTION 3: ADVANCED (EXPERIENCED)

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21. What is a Portal Menu?

Answer:
A navigation menu shown in header or sidebar.

Example:
Home | My Requests | Knowledge | Catalog

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22. How do you transfer data between widgets?

✔ Using $rootScope
✔ Using Broadcasting Events
✔ Using spUtil.get
✔ Using Portal Messages

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23. What is spUtil?

Answer:
A helper library for widgets.

Example:
spUtil.addErrorMessage("Something went wrong")

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24. What is a Processor?

Answer:
A server-side endpoint used to handle:

• File upload
• File download
• Custom API logic
• Data exports

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25. How to secure a widget?

✔ Check roles in server script
✔ Use ACLs
✔ Avoid exposing sensitive data in client script

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26. How do you improve Service Portal performance?

✔ Reduce heavy queries
✔ Use caching
✔ Minimize Angular watchers
✔ Avoid GlideRecord loops
✔ Remove unused widgets

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27. How do you show catalog item in portal?

Use URL:
/sp?id=sc_cat_item&sys_id=<catalog_item_sys_id>

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28. How do you redirect a user in Service Portal?

window.location = "?id=sc_home";

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29. What is Two-way Binding in AngularJS?

Answer:
When UI updates → data updates
and
when data updates → UI updates
automatically.

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30. What is the difference between Widget and Portal Page?

Feature	Widget	Page
Meaning	Small component	Full webpage
Built with	HTML, CSS, Angular, server script	Collection of widgets
Example	Ticket widget	Home page

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⭐ SECTION 4: SCENARIO-BASED QUESTIONS (VERY IMPORTANT)

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31. A widget is not loading on the page. How will you debug?

✔ Check widget permissions
✔ Open browser console for errors
✔ Check server script GlideRecord query
✔ Check if widget instance has required options
✔ Check if Angular variable is missing

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32. User sees empty catalog page. What will you check?

✔ User roles
✔ Catalog permissions
✔ Portal page mapping
✔ Categories are active
✔ JS errors on page

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33. You need to show last 10 tickets of the logged-in user. How will you do it?

In server script:

var gr = new GlideRecord("incident");
gr.addQuery("caller_id", gs.getUserID());
gr.orderByDesc("sys_created_on");
gr.setLimit(10);
gr.query();

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34. How to pass value from widget A to widget B?

Use $rootScope or broadcast events.

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35. How to hide a widget only for specific roles?

In server script:

if (!gs.hasRole("itil")) {
  data.show = false;
}

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⭐ SHORT QUICK REVISION (1-Liner)

• Widget = small app block
• Page = container of widgets
• AngularJS = client scripting
• Server script = backend logic
• URL suffix = identifies pages
• Branding = customizing look
• Catalog item = request form
• Record producer = creates any record
• Variable set = reusable variables
• spUtil = helper functions

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