Sitecore Sitecore-10-NET-Developer Exam With Confidence Using Practice Dumps

 The Master database in Sitecore is also called the Content Authoring Database. It contains all versions of all items, including the ones that have not been published yet. This is the database that content authors interact with, and is the default database used by the Sitecore Content Editor. The Master database supports content editing, workflow, versioning, and language features. The Master database is also the source database for publishing operations, which transfer the content to the target databases, such as the Web database. References:

• Master database
• Working with databases
• What is the difference between Sitecore’s core, master, and web databases?
• Difference between Core, Master and Web Databases in Sitecore

 If the Sitecore Content Management instance can be accessed by multiple host names, you need to add AllowedCorsOriginsGroup for each site to the Identity Server configuration. This will enable the users for each site to be able to log in to the Sitecore shell using the Identity Server. The AllowedCorsOriginsGroup element defines a group of URIs that are allowed to make cross-origin requests to the Identity Server. You can use multiple subnodes to define more than one URI, or you can use the | symbol to separate URIs within a node. You can also use the {AllowedCorsOrigin} template to simplify the configuration. When you use that template, all origins (hosts) are notified about the sign-out1. References:

• Single sign-out

This answer is based on the Sitecore documentation of dynamic placeholders1. Dynamic placeholders are an extension of the regular Sitecore placeholders that allow you to add the same placeholder name several times across multiple renderings, and even within the same rendering. Dynamic placeholders generate a unique key for each placeholder instance, which ensures that the content within the placeholder is unique and not duplicated. Dynamic placeholders also enable you to build functionality that generates multiple placeholders within the same rendering dynamically. For example, you can use dynamic placeholders to create a tab component that can have any number of tabs, each with its own content. References:

• Dynamic placeholders
• Sitecore dynamic placeholders and JSS
• Walkthrough: Configure your components to use dynamic placeholders