CAD Exam Dumps - Certified Application Developer - ServiceNow

https://developer.servicenow.com/dev.do#!/reference/api/rome/client

The GlideUser object (g_user) is part of the client-side scripting API that provides information about the current user and the user’s preferences. It can be used in Client Scripts and UI Policies to customize the user interface based on the user’s role, language, time zone, etc. The workflow.scratchpad object is only available in Workflow scripts, which are used to automate processes on the platform. The current and previous objects are only available in server-side scripts, such as Business Rules and Script Includes. The GlideSystem object (gs) is also a server-side object that provides methods for logging, debugging, date and time calculations, etc.

References:

[GlideUser object (g_user)]

[Workflow scripts]

[Business Rules]

Script Includes

[GlideSystem object (gs)]

The Event Registry is a table that stores the definitions of all the Events that can be triggered or processed by the ServiceNow system1. The Event Registry allows ServiceNow to react when Events are generated by executing actions such as sending notifications, running scripts, or starting workflows2. The Event Registry also provides information about the Event parameters, description, and source3.

References = 1: Event Registry - ServiceNow Docs 2: Event Management - ServiceNow Docs 3: Event Registry form - ServiceNow Docs

A workflow is a tool that allows you to automate processes on the ServiceNow platform. A workflow consists of activities and transitions that define the logic and flow of the process. A workflow context is an instance of a workflow that is generated from a workflow version, executes activities, and follows transitions. A workflow context is associated with a specific record on a table and tracks the state and progress of the workflow. You can view and manage the workflow contexts from the Workflow Contexts module or the Workflow Contexts related list on a record.

The other options are not valid definitions of a workflow context. A checked out workflow is a workflow that is being edited by a user and has not been published yet. The table and conditions for a workflow are the criteria that determine when a workflow should run on a record. The business reason or process for a workflow is the purpose and function of the workflow.

References:

[Workflow overview]

[Workflow context]

Comprehensive and Detailed Step-by-Step Explanation:

Understanding Scoped Applications:Scoped applications in ServiceNow are designed to isolate and protect application-specific code and data. Server-side scripts within scoped applications can use the gs (GlideSystem) object for logging and debugging purposes. However, not all gs methods are appropriate or valid for scoped applications.

Valid Logging Methods in Scoped Applications:

gs.info():This method logs informational messages to the system log. It is commonly used for general-purpose logging when developers need to track execution flow or display debug data. Example:

gs.info('This is an informational log message.');

gs.error():This method logs error messages to the system log. It is used to indicate problems or issues encountered during script execution. Example:

gs.error('An error occurred during script execution.');

Incorrect Options Explained:

gs.debug() (Option B): This method is not valid in scoped applications. It is a legacy logging method available in the global scope but restricted in scoped applications.

gs.iog() (Option C): This is a typographical error and not a valid gs method in ServiceNow.

gs.logError() (Option E): This is not a recognized ServiceNow API method. To log errors, gs.error() is used instead.

Best Practices for Logging:

Logging should be meaningful and avoid unnecessary entries to keep logs clean and manageable.

Avoid excessive use of logging in production environments, as it can clutter the system logs and potentially degrade performance.

References:

ServiceNow Developer Documentation on GlideSystem (gs)​.

SN Pro Tips on debugging and logging practices in scoped applications​.

Access Control scripts are server-side scripts that run when an Access Control rule is evaluated. They can use the gs and current objects to access the GlideSystem and GlideRecord methods, respectively. Some of the useful methods in Access Control scripts are:

gs.hasRole() - This method checks if the current user has a specified role. It returns true if the user has the role, and false otherwise. For example, gs.hasRole(‘admin’) will return true if the user is an administrator, and false otherwise.

current.isNewRecord() - This method checks if the current record is a new record that has not been inserted into the database yet. It returns true if the record is new, and false otherwise. For example, current.isNewRecord() will return true if the record is being created, and false if the record is being updated or deleted.

The methods g_user.hasRole() and current.isNew() are not part of the server-side scripting API. They are part of the client-side scripting API, which is used in Client Scripts and UI Policies. They cannot be used in Access Control scripts.

References:

[Access Control scripts]

[GlideSystem methods]

[GlideRecord methods]

Web services are software systems that use standardized protocols and formats, such as XML and HTTP, to exchange data and messages between different applications or systems over the Internet or other networks12. Web services enable interoperability and integration among diverse software components, regardless of their programming languages, platforms, or architectures34.

References = 1: What are Web Services? - GeeksforGeeks 2: Web service - Wikipedia 3: What are Web Services? - Online Tutorials Library 4: What is a Web Service? | Webopedia