Free ServiceNow CIS-Discovery Practice Exam with Questions & Answers

An extension section of a discovery pattern is a section that allows you to modify or extend the functionality of an existing pattern without customizing it. An extension section can contain shared libraries, which are reusable code snippets that can be invoked from any pattern or extension section. Shared libraries can be used to define common functions, variables, or constants that are used across multiple patterns or extension sections. Shared libraries can also be used to override the default behavior of some built-in functions, such as identification or classification12. References = 1: ITOM: Extending Discovery/Service Mapping Patterns - GlideFast ServiceNow 2: How to Create Discovery Pattern Extensions and Why to Use Them

The ECC Queue tab displays the input and output messages from and to MID Servers. The default fields that are displayed on this tab are:

• Topic: The topic of the message, such as Discovery, Orchestration, or MID Server.
• Queue: The queue name of the message, such as input, output, or error.
• Source: The source of the message, such as the MID Server name, the instance name, or the probe name.
• State: The state of the message, such as ready, processed, or ignored.
• Created: The date and time when the message was created.
• Updated: The date and time when the message was last updated.

Some other fields that can be added to the ECC Queue tab are:

• Details: The details of the message, such as the payload, the response, or the error message.
• Pattern log link: The link to the pattern log file, if the message is related to a pattern execution.
• CMDB CI: The configuration item that is associated with the message, if any.
• Discovery schedule name: The name of the discovery schedule that triggered the message, if any.

References: ECC Queue Processing and Debugging, with “Discovery - Sensors” used as an example, The ECC queue for Discovery

According to the ServiceNow website1, the key capabilities of a ServiceNow ITOM Enterprise solution are:

• Manage hybrid clouds: Gain visibility and control across your hybrid cloud environment with a single system of action for IT.
• Proactively eliminate service outages: Identify issues and anomalies before they cause service outages with AIOps and machine learning.
• Automate IT service operations: Automate common service requests, processes, and tasks with digital workflows and virtual agents.
• Optimize IT service delivery: Align your IT resources and investments with business priorities and optimize service delivery performance.

References:

• 1: ITOM - Enterprise IT Operations Management - ServiceNow

For ServiceNow Discovery to detect a Windows device, the Windows Management Instrumentation (WMI) service needs to be running on the host. WMI is a Windows feature that provides a standardized way to access management information about operating system components and services. Discovery uses WMI to query Windows hosts for information about their hardware, software, and system configuration. SSH is used for Unix-like systems, WinRM is an alternative Windows management protocol, and CIM (Common Information Model) is a cross-platform standard; however, WMI is the primary service used for Windows device discovery.

In ServiceNow Discovery, relationships between Configuration Items (CIs) in a horizontal pattern are created using the "Create Relation/Reference" operation. This operation allows the pattern to define and establish relationships or references between discovered CIs, based on the information gathered during the discovery process. Options B and C are incorrect as relationships are not automatically created nor is it true that they cannot be created via patterns. Option D, "Create Connections," is not a standard operation in this context. References = ServiceNow Discovery documentation, specifically the sections on creating and managing horizontal discovery patterns.

Credential-less Discovery is a feature of ServiceNow Discovery that allows the instance to identify configuration items (CIs) without using credentials. Credential-less Discovery uses Network Mapper (Nmap), a free and open-source network scanner, to collect information about the CIs by sending packets and analyzing the responses. Nmap must be installed on the MID Server that runs Credential-less Discovery. Credential-less Discovery can be used as a fallback option when credential-based probes fail, or as a primary option for scanning certain types of devices, such as network devices, printers, or IoT devices12.

References:

• Credential-less Discovery with Nmap - Product Documentation: San Diego - Now Support Portal
• Credential-less host Discovery - ServiceNow - Now Support

The main Key Performance Indicators (KPIs) for the CMDB Health scorecard in ServiceNow include Correctness, Completeness, and Staleness. These KPIs are critical for assessing the overall health and quality of the CMDB. Correctness refers to the accuracy of the data in the CMDB, Completeness measures whether all required CI data is present, and Staleness indicates the freshness or timeliness of the CI data. Compliance and Duplicates, while important, are not considered main KPIs in the context of the CMDB Health scorecard. References = ServiceNow CMDB documentation and CMDB Health Dashboard user guide, focusing on the key performance indicators for CMDB health.

From the Discovery Status record, a Device record in ServiceNow Discovery contains a link to the discovered Configuration Item (CI). This link provides direct access to the CI record that was discovered and processed during the discovery cycle. The Device record does not contain the contents of the CI, a link to the discovered Asset, or a link to the CMDB Health Dashboard. References = ServiceNow Discovery documentation, focusing on the details of Discovery Status records and the information contained within Device records.

Quick Discovery is a wizard that helps you get up and running with Discovery quickly. It discovers both physical and logical components, including virtual machines, servers, storage, databases, applications, and more. To use Quick Discovery, you need to have a MID Server installed and configured, and provide a target IP range or subnet to scan. You do not need to create a Discovery Schedule or a PID for Quick Discovery.

References: ServiceNow Discovery Data Sheet, Discovery Quick Start

A horizontal pattern must have a TCP entry point type or an ALL entry point type to execute from a process classifier. A process classifier is a rule that matches a process running on a host and triggers a horizontal pattern to discover the application associated with that process1. The entry point type determines the type of connection that the pattern uses to access the target host. A TCP entry point type means that the pattern uses a TCP port to connect to the host, while an ALL entry point type means that the pattern can use any available connection method2.

References:

• 1: Process classifiers - Product Documentation: San Diego - ServiceNow
• 2: Horizontal Pattern probe - Product Documentation: San Diego - ServiceNow