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Sitecore Sitecore-XM-Cloud-Developer Exam Syllabus Topics:

Topic	Details
Topic 1	Sitecore APIs & Webhooks: In this topic, you encounter questions related to the different Sitecore APIs. These APIs are available for developers. With these APIs, developers interact with XM Cloud data and functionality.
Topic 2	Data Modeling: This topic explains how your data is structured. It explains different entities, their attributes, and how they connect. Furthermore, it explains how to opt the right model, such as relational or hierarchical.
Topic 3	Security for Developers: The exam topic is related to security and covers different features. These features help to create secure and trustworthy experiences. Another crucial sub-topic of this security topic is access control. This access control is achieved through robust authentication and authorization mechanisms.
Topic 4	XM Cloud Architecture and Developer Workflow: This topic delves into the basics of XM Cloud, its key components, architecture, and the development workflow to build and deploy applications on XM Cloud.
Topic 5	Renderings and Layout: It covers the creation and usage of renderings. These renderings are the building blocks of user interfaces in different XM Cloud apps.
Topic 6	Sitecore Content Serialization: The topic delves into various ways to serialize and deserialize Sitecore content in XM Cloud applications. This topic also includes understanding JSON, XML, and OData serialization.
Topic 7	Deployment of XM Cloud Projects: In this topic different methods to deploy XM Cloud projects including continuous integration and continuous delivery (CI CD), manual deployment, and using the Sitecore XM Cloud Reference Manager are discussed.

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Sitecore XM Cloud Developer Certification Exam Sample Questions (Q21-Q26):

NEW QUESTION # 21
A multinational clothing company wants to create regional sites for its online presence. Each site would follow the same branding but have unique content per region. The content architecture requires a site per region. Of the options presented below, which is the most efficient approach to deploy the rendering host?

A. rendering host application deployed for each site.
B. A single rendering host application using the JSS multisite feature.
C. Create a single site collection and site for all brands and countries and also manage theirresources manually.
D. Use separate instances of XM Cloud for each brand and country to maintain separation.

Answer: B

Explanation:
For a multinational clothing company looking to create regional sites with the same branding but unique content per region, the most efficient approach is to use a single rendering host application that leverages the JSS multisite feature. This allows for the management of multiple sites within a single instance, facilitating shared resources and centralized updates while still allowing for regional customization.
References:The Sitecore XM Cloud documentation suggests using a single rendering host application for multiple sites, which can be achieved through configurations and the JSS multisite feature, as detailed in the editing and rendering hosts section1.This approach aligns with the recommended practices for deploying and managing content in XM Cloud environments2.

NEW QUESTION # 22
Which of these options best describes the purpose of the following query to the Experience Edge GraphQL schema?
query {
layout(site: "experienceedge", routePath: "/", language: "en") {
item {
homeltemPath: path
contentRoot: parent {
id
path
}
}
}
}

A. To get information about a specific content site
B. To get the item layout for a URL
C. To get the root item of a site
D. To get an item by ID

Answer: C

Explanation:
The given GraphQL query is using thelayoutquery in Sitecore Experience Edge to retrieve information about a specific route in a site. Let's break it down:
* Querying thelayoutfield
* layout(site: "experienceedge", routePath: "/", language: "en")
* This retrieves the layout data for the homepage (routePath: "/") of the"experienceedge"site in English (language: "en").
* Fetchingitemfields
* homeltemPath: path# This retrieves thepath of the itemrepresenting the homepage.
* contentRoot: parent { id path }# This fetches theparent itemof the homepage, meaning the root content item of the site.
* The query's main purpose isnot to get an item by ID(A) since no ID filtering is used.
* It is alsonot fetching the item layout(C) because no layout/rendering data (placeholders, renderings) is requested.
* The query isnot retrieving specific content about a site(D), but instead identifying the root item.
Why is the correct answer B?Thus, the correct answer isB. To get the root item of a sitebecause the query retrieves the root content item by accessing the parent of the homepage.
* Sitecore GraphQL Schema for Experience Edge- Sitecore Docs
* GraphQL Query for Layout Service- Sitecore Layout Service
* Sitecore Experience Edge Concepts- Sitecore Experience Edge
XM Cloud Development References

NEW QUESTION # 23
A developer needs to configure a rendering in order to use dynamic placeholders. Which of thefollowing steps is required? Select all that apply.

A. Include the IDynamicPlaceholder base template in the Rendering Parameters template.
B. Define the placeholder key using a question mark (?) in the placeholder settings item.
C. Link the placeholder settings item to the rendering item.
D. In the component TSX file, set a unique placeholder key value that has not yet been defined.

Answer: A,C

Explanation:
Dynamic placeholders inSitecore XM Cloud with Next.jsare used when a rendering can have multiple instances on a page, each needing auniqueplaceholder name to avoid conflicts.
To configure a rendering withdynamic placeholders, the following steps are required:
* (A) Include theIDynamicPlaceholderbase template in the Rendering Parameters template
* Sitecore provides theIDynamicPlaceholderbase template to enable dynamic placeholders.
* When definingRendering Parameters, this template must beincludedto allow dynamic placeholder configuration.
* This ensures Sitecore recognizes the placeholders as dynamic rather than static.
* (B) Link the placeholder settings item to the rendering item
* In Sitecore,placeholder settingsdefine the allowed components for a placeholder.
* The rendering item should reference aPlaceholder Settings item, ensuring that only the allowed components can be added dynamically.
* This step is crucial to avoid runtime issues when rendering dynamic placeholders.
* (C) Define the placeholder key using a question mark (?) in the placeholder settings item # Incorrect
* Placeholder settingsdo notuse a question mark (?) to define a dynamic placeholder key.
* The?syntax was used in older Sitecore versions for dynamic placeholders, but inXM Cloud with Next.js, placeholders are handled differently usingGUID-based namingfor uniqueness.
* (D) In the component TSX file, set a unique placeholder key value that has not yet been defined # Incorrect
* Next.jsdoes not requiremanually setting a unique key.
* Instead, Sitecoreautomatically generatesa unique key for each dynamic placeholder instance usingGUID-based naming.
* In aNext.js JSS component, placeholders are defined using:
#Correct Answers:#Incorrect Answers:How Dynamic Placeholders Work in XM Cloud with Next.js:
import { Placeholder } from '@sitecore-jss/sitecore-jss-nextjs';
const DynamicComponent = ({ rendering }) => {
return (
<div>
<Placeholder name="dynamic-placeholder-{rendering.uid}" rendering={rendering} />
</div>
);
};
export default DynamicComponent;
* The{rendering.uid}ensures each placeholder instance has aunique name, avoiding conflicts.
* Sitecore XM Cloud Dynamic Placeholders- Using Dynamic Placeholders
* Next.js with Sitecore JSS- Placeholder Configuration
* Sitecore Headless Development- Best Practices for Rendering Placeholders References:1.

NEW QUESTION # 24
When an item is published, the Experience Edge for XM Connector publishes a static snapshot of the Layout Service output of that item. If a change is made to a data source item that is referenced on the page, how is that content made visible on the website?

A. A developer must publish the data source item.
B. A developer must reconnect to the Experience Edge Connector module.
C. A developer must publish to the web database.
D. A developer must publish the related page items.

Answer: D

Explanation:
InSitecore XM Cloud, when an item is published, theExperience Edge for XM Connectorgenerates a static snapshot of theLayout Serviceoutput for that specific item. This means that only the published state of the page, including its components and data sources, is pushed toExperience Edge.
If adata source item(such as a content item used in a component) is updated and published,that change alone will not update the published page on Experience Edge. This happens because the snapshot is linked to thepage item, not just the data source.
How to Make Data Source Changes Visible?To reflect changes made in adata source item, a developer must:
* Publish the related page item.This regenerates and updates the Experience Edge snapshot.
* Ifonly the data source is publishedwithout republishing the page, the changes will not be reflected on the live website.
Thus, the correct answer is:#B. A developer must publish the related page items.
* Sitecore Documentation on Experience Edge: https://doc.sitecore.com/xmc/en/developers/xm-cloud
/index-en.html
* Sitecore Headless Services (Layout Service & GraphQL): https://doc.sitecore.com/developers/101
/sitecore-experience-manager/en/sitecore-headless-services.html
* Publishing Content in XM Cloud: https://doc.sitecore.com/xmc/en/developers/xm-cloud/publishing- and-experience-edge.html References for XM Cloud Development:

NEW QUESTION # 25
A developer has set up a local XM Cloud development environment and would like to connect Sitecore Pages to their locally running XM Cloud instance. However, after following the necessary steps, they're facing issues with the connection. Of the options below, what is the most likely potential reason for this issue?

A. The value of the local storage entry "Sitecore.PagesXmCloud" should be setto enabled.
B. The browser developer tools console does not support the local storage functionality required for this connection.
C. The value of the local storage entry ''Sitecore.Pages.LocaIXmCloudUrl" should be set to https://pages.
sitecorecloud.io.
D. The environment variable "SITECORE_Pages_CORS_Allowed_Origins" is not correctly configured to include pages.sitecorecloud.io.

Answer: D

Explanation:
When connectingSitecore Pages(the visual page editor in XM Cloud) to alocal XM Cloud development environment, the connection may fail due toCORS (Cross-Origin Resource Sharing) restrictions.
* Sitecore Pagesis hosted onhttps://pages.sitecorecloud.io, which loads content from the developer's local Sitecore instance.
* Thelocal Sitecore instance must allow requests frompages.sitecorecloud.io, or the connection will fail due toCORS policy restrictions.
* To fix this, the developer must ensure that theenvironment variable
SITECORE_Pages_CORS_Allowed_Originsis correctly setto includehttps://pages.sitecorecloud.io.
* In a localDocker-based XM Cloud setup, this can be configured indocker-compose.override.ymllike this:
#Correct answer: D (The environment variableSITECORE_Pages_CORS_Allowed_Originsis not correctly configured to include pages.sitecorecloud.io.)environment:
- SITECORE_Pages_CORS_Allowed_Origins=https://pages.sitecorecloud.io
* If running Sitecore locally without Docker, this setting should be added to theappsettings.jsonfile or set as a system environment variable.
* (A) The value of the local storage entry'Sitecore.Pages.LocaIXmCloudUrl'should be set to
https://pages.sitecorecloud.io# Incorrect
* Thecorrect keyis'Sitecore.Pages.LocalXmCloudUrl', but it should point tothe local Sitecore instance, nothttps://pages.sitecorecloud.io.
* Example:
#Why Other Options Are Incorrect:localStorage.setItem('Sitecore.Pages.LocalXmCloudUrl',
'https://xmcloud.localhost');
* This step helps Sitecore Pages find the local instance, butCORS issues must still be resolved separately.
* (B) The browser developer tools console does not support the local storage functionality required for this connection # Incorrect
* Browserdeveloper tools do supportlocal storage.
* If local storage were an issue, developers couldmanually add entriesvia the console.
* Example:
localStorage.getItem('Sitecore.Pages.LocalXmCloudUrl'); // Should return 'https://xmcloud.localhost'
* (C) The value of the local storage entry"Sitecore.PagesXmCloud"should be set to"enabled"# Incorrect
* There isno such required settingnamed"Sitecore.PagesXmCloud".
* The required setting is'Sitecore.Pages.LocalXmCloudUrl', which must be set tothe local instance URLinstead.
* Ensure CORS settings are correctly configured:
* Addhttps://pages.sitecorecloud.ioto theSITECORE_Pages_CORS_Allowed_Origins environment variable.
* Manually set the local Sitecore URL in browser storage:
* Open Developer Tools (F12in Chrome).
* Run:
Best Practices for Connecting Sitecore Pages to a Local XM Cloud InstancelocalStorage.setItem('Sitecore.
Pages.LocalXmCloudUrl', 'https://xmcloud.localhost');
* Verify network requests:
* Check for CORS-related errors in the browserConsole (F12 > Console tab).
* Checkfailed requests in the Network tab.
* Sitecore Pages Integration with Local Development- Troubleshooting Sitecore Pages
* CORS Configuration in XM Cloud- Allowing Origins for Sitecore Pages
References:

NEW QUESTION # 26
......

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