Cognizant ServiceNow Interview Questions

31. What Is Performance Analytics In Servicenow?
Answer: Performance Analytics is an additional application in ServiceNow that allows customers to take a snapshot of data at regular intervals and create time series for any key performance indicator (KPI) in the organization.

32. What a setWorkflow(e) function does?
Answer: setWorkflow(e) enables or disables the running of business rules that might normally be triggered by subsequent actions. If the e parameter is set to false, an insert/update will not be audited. Auditing only happens when the parameter is set to true for a GlideRecord operation. Parameters: e – a Boolean variable that if true (default) enables business rules, and if false to disables them. 

33. What are Elevated Privileges?
Answer:

• An elevated privilege is a role that has the elevated_privilege field set to true. After the plugin is activated, a new security_admin elevated privilege is created and assigned to the default System Administrator user. This role grants modification access to the High-Security Settings and allows the user to modify the Access Control List, directly import XML files, and access the Scripts – Background module. A user can get an elevated privilege role in his session only by manually elevating to it. The role is in the user’s session only for the duration of the session. Session timeout or log-out removes the role.
• A role that is an elevated_privilege does not appear in an assigned user’s session when the user logs in. The user must manually elevate to that role. See the following section for details.
  (Requires admin or security_admin role) Presents the Activate an Elevated Privilege dialog box, which allows the administrator to select an elevated role, which will expire at the end of the session.
• other roles available are :
• High-Security Settings: provide default property values to harden security on your platform by centralizing all critical security settings to one location for management and auditing.
• Default Deny Property: provides a security manager property controls the default security behavior for table access.
• Security Administrator Role: provides a role to prevent modification of key security settings and resources. The Security Administrator role is not inherited by the admin role and must be explicitly assigned.
• Elevated Privilege: allows users with the security admin role to operate in the context of a normal user and elevate to a higher security role when needed.
• Property Access Control: allows security administrators to set the roles required to read and write properties.
• Transaction and system logs: are read-only.
• Access Control Rules: control what data users can access and how they can access it

34. What is a Role delegator?
Answer: Role Delegator: Administrators can grant users the right to be role delegators. These delegators can assign roles to users who are in a particular group. The roles that delegators can assign to other users include the roles that the delegator inherits from a group those roles that the Administrator specifies. 

35. How to disable attachment on a specific ServiceNow table?
Answer: Go to the dictionary of that table and add “Add no_attachment” to the Attributes field.

36. What do you mean by coalescing?
Answer: Coalesce is a property of a field that we use in transform map field mapping. When we set the coalesce as true for a field mapping it signifies that this field will work as a unique key. If a field match is found with the coalesce field, then the existing record will be updated with the imported information in the target table else a new record will be inserted into the target table.

37. What is a Service Now?
Answer: ServiceNow is a cloud-based ITSM tool. It provides a single system of record for IT services, operations, and business management by automating IT service applications and processes. All aspects of IT Services can potentially live in the ServiceNow ecosystem of modules, and thus, it gives us a complete view of services and resources. This allows for broad control of how to best allocate resources and design the process flow of those services.

38. What is the application and how to disable or enable it?
Answer: Application is a collection of modules that offer its highly related information. While speaking about change application, it offers the data related to the change process. It includes certain modules such as view change tickets, changes ticket, etc. Search to “Application Menus” module which is under device definition application. After that, open a suitable application that needs to be disabled or enabled. Prefer active as of the right to enable an application or prefer active to the wrong option to disable the application.

39. What is the dictionary overrides?
Answer: Dictionary overrides provide the ability to define a field on an extended table differently from the field on the parent table. For example, for a field on the Task [task] table, a dictionary override can change the default value on the Incident [incident] table without affecting the default value on Task [task] or Change [change].

40. What types of searches are available in ServiceNow?
Answer:

Following searches will help you find information in ServiceNow:

• Lists: Find records in a list;
• Global text search: Finds records in multiple tables from a single search field.
• Knowledgebase: Finds knowledge articles.
• Navigation filter: Filters the items in the application navigator.
• Search screens: Use a form ­like interface to search for records in a table. Administrators can create these custom modules.