SERVICENOW-CIS-DISCOVERY Practice Exam 4 — 20 Questions

Question 1

You are implementing a new discovery tool and want to ensure it integrates seamlessly with existing CMDB identification rules. What is the first step?

Accepted Answer

Review existing Identification Rules to ensure they support the new tool's incoming CI data.. The first step is to review existing Identification Rules to ensure they support the new tool's incoming CI data. Identification Rules determine how discovered CIs are matched to existing records in the CMDB, so any new discovery tool must produce data that aligns with these rules (e.g., matching on serial number, MAC address, or name). Without this review, the new tool could create duplicate CIs or fail to update existing ones, breaking CMDB integrity.

Answer

Delete all existing CIs.

Answer

Disable all existing identification rules.

Answer

Use a new CI class for all data from the new tool.

Question 2

What is the purpose of the 'MID Server User' assigned to a MID Server record?

Accepted Answer

To authenticate the MID Server to the ServiceNow instance. The MID Server user is the account the MID Server service uses to authenticate with the ServiceNow instance to pull and push ECC Queue records.

Answer

To perform Discovery scans on target devices

Answer

To access the MID Server's local configuration files

Answer

To log in to the MID Server host via SSH

Question 3

Which THREE pieces of information are required for a MID Server to communicate with the ServiceNow instance?

Accepted Answer

Instance URL. Option B (Instance URL) is required because the MID Server's config.xml must point to the ServiceNow instance endpoint (e.g., https://<instance>.service-now.com) so it knows where to establish its outbound connection. Option C (MID Server record validation) is required because the MID Server must be registered as a MID Server record in the instance and validate itself against that record (name/user/password) before it is authorized to pull and execute jobs. Option E (Network connectivity to the instance) is required because the MID Server initiates outbound HTTPS (port 443) connections to the instance; without reachable network/DNS/firewall paths, no communication can occur. Option A (Admin password for the host) is not required, since the MID Server runs as a service under a local service account and does not need host admin credentials for instance communication. Option D (Database credentials) is not required, because the MID Server never connects directly to the ServiceNow database; all interaction occurs through the instance's REST/SOAP APIs.

Answer

Admin password for the host

Answer

Database credentials

Question 4

Which TWO of the following actions help reduce 'Staleness' in the CMDB?

Accepted Answer

Ensuring all target devices are covered by a discovery schedule.. Staleness is reduced by ensuring scans run frequently enough and that every CI is targeted by a discovery scan.

Answer

Reducing the number of attributes collected.

Answer

Hardcoding CI attributes manually.

Answer

Adding more classes to the dashboard.

Question 5

What is the purpose of the 'MID Server Validation' process?

Accepted Answer

To provide a security handshake between the instance and the MID Server. Validation ensures that the MID Server is trusted by the instance and authorized to execute commands.

Answer

To check for the latest software version

Answer

To verify the network speed to the instance

Answer

To confirm the MID Server has enough RAM

Question 6

What happens if a pattern execution encounters an error in a step that is marked as 'Continue on error'?

Accepted Answer

The pattern proceeds to the next step in the sequence.. The 'Continue on error' flag allows the discovery to proceed to the next step despite failure.

Answer

The error is logged, and the pattern restarts.

Answer

The entire pattern execution stops.

Answer

The pattern skips to the next section.

Question 7

Which TWO actions can be triggered from the MID Server record's related links?

Accepted Answer

Restart the MID server. Option C (Restart the MID server) is correct because the MID Server record's related links include a Restart action that lets an administrator remotely restart the MID Server service on its host, which is essential for applying configuration changes or recovering a stuck MID Server. Option E (Validate the MID server) is correct because the related links also provide a Validate action that runs a diagnostic check against the MID Server to confirm connectivity, credentials, and capability status with the ServiceNow instance. Option A (Upgrade the database) is not a MID Server related link, as database upgrades are handled through instance upgrade processes, not from a MID Server record. Option B (View the CMDB records) is not a MID Server related link; CMDB data is accessed through CMDB modules and CI records, not the MID Server record's related links. Option D (Delete the instance) is not a MID Server related link, since deleting an instance is an administrative action performed from the instance management console, not from a MID Server record.

Answer

Upgrade the database

Answer

View the CMDB records

Answer

Delete the instance

Question 8

Which TWO of the following are true about Discovery Credentials?

Accepted Answer

They are referenced via Credential Aliases. They are stored securely and associated with aliases for use in schedules.

Answer

They are not required for Discovery

Answer

They are stored in the MID Server locally

Answer

They are passed as plain text in the ECC queue

Question 9

Which tool provides a visual representation of how different data sources are contributing to the current state of a CI record?

Accepted Answer

CI Timeline. The CI Timeline or the 'CMDB Data Manager' visual tools allow viewing update history and sources.

Answer

Discovery Log

Answer

CMDB Health Dashboard

Answer

Service Map

Question 10

A pattern is failing to map a specific attribute because the command used returns multi-line output. What is the standard way to handle this in a Discovery Pattern?

Accepted Answer

Use a 'Parse' step with a Regular Expression (Regex) to extract the specific value.. Patterns use parsing steps (like Regex or Split) to convert multi-line output into structured attribute data.

Answer

Use a MID Server script file to process the output.

Answer

Ignore the attribute.

Answer

Change the command to only return a single line.

Question 11

Which TWO settings can be managed via the MID Server 'Capabilities' feature?

Accepted Answer

Filtering scan types (e.g., WMI, SNMP). Option B (Filtering scan types such as WMI and SNMP) is correct because MID Server capabilities are used to control which discovery/scanning probes and protocols a MID Server is allowed to run, so you can restrict a MID Server to specific scan types like WMI or SNMP. Option D (Restricting discovery work) is correct because capabilities determine what kinds of discovery and orchestration jobs a MID Server is eligible to execute, effectively limiting the discovery workload it can be assigned. Options A, C, and E are not managed through the Capabilities feature: user access is governed by roles/ACLs, proxy connections are configured in MID Server properties, and memory limits are set via the MID Server's wrapper/JVM configuration, not capabilities.

Answer

Managing user access

Answer

Configuring proxy connections

Answer

Setting the memory limit

Question 12

You need to ensure that Discovery ignores a specific range of IP addresses within a larger CIDR block that is already configured. What is the most efficient configuration approach?

Accepted Answer

Add the ranges to the Excluded IP Ranges related list.. ServiceNow Discovery provides an Excluded IP Ranges related list on the Discovery Schedule (and on IP Range records) specifically to carve out addresses from a larger CIDR block without altering the parent range. Adding the target IPs to this list is the least disruptive and most efficient approach because it preserves the existing schedule and range configuration while preventing Shazzam from scanning those addresses.

Answer

Configure a Discovery Behavior to exclude the IPs.

Answer

Delete the original schedule and recreate two smaller schedules.

Answer

Create an ACL to block the IP addresses.

Question 13

When a Discovery scan completes, how can you view the status of all individual IP addresses scanned by that schedule?

Accepted Answer

View the Discovery Status record.. The Discovery Status record is the central log for a Discovery run. It contains a related list called 'Discovery Device History' (or 'Devices') that lists every IP address targeted by the schedule, along with its individual status (e.g., Completed, Unreachable, Timed Out, Skipped). This provides a per-IP view of the scan outcome without needing to dig into raw queues or logs.

Answer

Look at the ECC Queue directly.

Answer

Check the CMDB list.

Answer

Check the MID Server logs.

Question 14

When debugging a pattern that fails to parse a JSON response, which tool in the Pattern Designer provides the most granular view of the variable state after a 'Parse JSON' step?

Accepted Answer

The 'Variables' tab in the Debugger. The 'Debug' panel in the Pattern Designer allows you to inspect variable values step-by-step after execution.

Answer

Pattern Log

Answer

The CMDB CI Class Manager

Answer

The Discovery Status record

Question 15

Which ServiceNow feature allows you to visualize the flow of data from Discovery into the CMDB, helping to debug why a CI attribute was populated with a specific value?

Accepted Answer

CI Identification and Reconciliation (IRE) logs. CI Identification and Reconciliation (IRE) logs capture the full processing pipeline for each CI record, including which discovery source contributed which attribute value and how IRE resolved conflicts. When an attribute is populated with an unexpected value, the IRE log shows the source, the identification rules applied, and the reconciliation outcome. This makes it the correct tool for tracing data flow from Discovery into the CMDB.

Answer

System Logs

Answer

Discovery Pattern Designer

Answer

Discovery Home Page

Question 16

How does Discovery handle the identification of a device that has had its IP address changed since the last discovery?

Accepted Answer

It uses Identification Rules to match the device based on hardware attributes.. Discovery uses Identification rules based on unique hardware attributes (like serial numbers) to reconcile the CI, regardless of IP changes.

Answer

It deletes the old CI and creates a new one.

Answer

It requires a manual merge in the CI list.

Answer

It fails because the IP address does not match.

Question 17

What does the 'Debug' mode in the Pattern Designer require to function?

Accepted Answer

A selected Discovery status record (node).. Debug mode requires a target node to execute the pattern against, which is provided by a Discovery status record.

Answer

A new CI class.

Answer

A valid user session.

Answer

The MID Server to be in debug mode.

Question 18

You are modifying a pattern and need to extract a specific attribute from a JSON response returned by an API. Which step type is most appropriate for this task?

Accepted Answer

Parse JSON. The Parse JSON step type is purpose-built to parse a JSON payload and extract specific attributes by navigating the JSON structure using JSONPath or dot notation. When a pattern receives an API response in JSON format, Parse JSON lets you map individual fields (e.g., $.data.id) into variables that subsequent steps can use. This is the correct and most efficient way to pull a specific attribute from a JSON response.

Answer

Parse Variable

Answer

Set Parameter

Answer

Regex Extract

Question 19

You have multiple MID Servers in a cluster. Where do you define the capability that restricts a specific MID Server to only perform 'Windows' discovery?

Accepted Answer

MID Server record. MID Server Capabilities are used to filter which MID Servers handle specific types of discovery tasks.

Answer

Discovery Schedule

Answer

Discovery Behavior

Answer

Credential Alias

Question 20

Which of the following is the most effective way to view the relationships of a CI in a graphical format?

Accepted Answer

Dependency View. The Dependency View is the standard graphical interface for viewing CI relationships in ServiceNow.

Answer

CMDB Health Dashboard

Answer

List View

Answer

Discovery Status