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NEW QUESTION # 58
A Discovery Schedule contains a /24 subnet IP Range and a Shazzam batch size of 5000. How many times will a Shazzam probe be launched during discovery?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
A /24 subnet IP Range means that there are 256 possible IP addresses in the range, from 0 to 255. A Shazzam batch size of 5000 means that Discovery will send 5000 ICMP packets at a time to scan the IP addresses.
Therefore, Discovery will launch the Shazzam probe once for every 5000 IP addresses in the range, or 256 /
5000 = 0.0512 times. Since the number of times must be an integer, Discovery will round up to 1 and launch the Shazzam probe once. However, since the Shazzam probe is launched for each MID Server that is assigned to the Discovery Schedule, the actual number of times will depend on how many MID Servers are available.
If there are N MID Servers, then the Shazzam probe will be launched N times, each sending 5000 ICMP packets to the same IP range. Therefore, the total number of times that the Shazzam probe will be launched during discovery is N * 1 = N.
:
Discovery Schedule form
Shazzam Probe
Discovery IP range
NEW QUESTION # 59
Given a custom column named u_custom_column on table cmdb_ci_linux_server, which variable syntax should be used to populate the column in a horizontal discovery pattern using the Set Parameter Value operation?
- A. $cmdb_ci_linux_server[*].u_custom_column
- B. $u_custom_column[1].cmdb_ci_linux_server
- C. $user_var_custom_column
- D. $cmdb_ci_linux_server.u_custom_column.INSERT
Answer: D
NEW QUESTION # 60
What entry point type must a horizontal pattern have to execute from a process classifier?
- A. TCP entry point type or ALL entry point type.
- B. It does not matter, it is triggered for all entry point types.
- C. HTTP(S) entry point type if the pattern is running on a web server application.
- D. A subnet entry point type.
Answer: A
Explanation:
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.
:
1: Process classifiers - Product Documentation: San Diego - ServiceNow
2: Horizontal Pattern probe - Product Documentation: San Diego - ServiceNow Reference: https://docs.servicenow.com/bundle/quebec-it-operations-management/page/product/discovery/ concept/c-UsingPatternsForHorizontalDiscovery.html
NEW QUESTION # 61
Using the SNMP Query operation on a pattern for a custom device query, it is best practice to do what?
- A. Modify the default MIB information
- B. Enable SSH as a secondary protocol
- C. Use the publish manufacturer's device MIB
- D. Use live devices in production
Answer: C
Explanation:
The SNMP Query operation on a pattern for a custom device query allows Discovery to retrieve information from the target device using the SNMP protocol. It is best practice to use the published manufacturer's device MIB, which is the official and standard definition of the device's SNMP data. Using the manufacturer's device MIB ensures that the query is accurate, consistent, and compatible with the device. Modifying the default MIB information, enabling SSH as a secondary protocol, or using live devices in production are not recommended practices, as they may introduce errors, security risks, or performance issues123.
:
SNMP Query pattern operation - Product Documentation: San Diego - Now Support Portal Load a MIB file - Product Documentation: Vancouver - ServiceNow How Loading of MIB file works on SNMP Browser ( Pattern Step - SNMP Query) - Support and Troubleshooting
NEW QUESTION # 62
What does AMB Stand for in ServiceNow?
Response:
- A. Asynchronous midserver bus
- B. Asynchronous messaging bus
- C. Automatic Message bus
Answer: B
NEW QUESTION # 63
CI identifiers can be viewed under which of the following?
- A. Processes and Classification
- B. CI record
- C. CI Class Manager
- D. Process Handlers
- E. Discovery Dashboard
Answer: B
Explanation:
CI identifiers can be viewed under the CI record1. A CI identifier is a set of attributes that uniquely identify a CI of a specific class2. CI identifiers are used by the identification and reconciliation engine (IRE) to match incoming data with existing CIs in the CMDB3. CI identifiers can be viewed and edited in the CI record by clicking the Identification Information related link1.
References:
* 1: View and edit CI identifiers
* 2: Create or edit a CI identification rule
* 3: Identification rules
NEW QUESTION # 64
Which of the below choices are kinds of variables used in discovery patterns? (Choose three.)
- A. CI attributes
- B. Temporary
- C. Global
- D. Fixed
- E. Prefix
Answer: A,B,C
Explanation:
Variables are used in discovery patterns to store and manipulate data that is collected or calculated during the discovery process. There are three kinds of variables used in discovery patterns12:
* CI attributes: These are variables that correspond to the attributes of the configuration item (CI) type that the pattern is discovering. For example, name, serial_number, manufacturer, etc. CI attributes are used to populate the CI record in the CMDB with the information gathered by the pattern.
* Temporary: These are variables that are created and used within the pattern, but are not stored in the CMDB. For example, $result, $output, $user_var, etc. Temporary variables are used to store and manipulate data such as the output of a command, the value of a parameter, or the result of a calculation.
* Global: These are variables that are defined in the global scope and can be accessed by any pattern. For example, $mid, $target, $ip_address, etc. Global variables are used to store and access data that is common to all patterns, such as the MID Server, the target device, or the IP address.
:
1: ServiceNow Discovery Documentation, Pattern Variables section
2: ServiceNow Discovery Overview, page 11
NEW QUESTION # 65
On the ECC Queue, sensor records have a Queue value of ___________ and probe records have a Queue value of ___________.
- A. output, input
- B. ready, started
- C. started, ready
- D. input, output
Answer: D
NEW QUESTION # 66
What role is needed by the MID Server's user account to interact with a ServiceNow instance?
- A. discovery_admin
- B. sm_mid
- C. mid_server
- D. mid_discovery
Answer: C
NEW QUESTION # 67
Horizontal discovery pattern does not use ______ .
Response:
- A. operations
- B. variables
- C. the connectivity section
- D. the identification section
Answer: C
NEW QUESTION # 68
Which choice best describes a Functionality Definition?
- A. Defines what Behavior to use from a Discovery Schedule.
- B. Defines the IP addresses to discover.
- C. Defines what protocols to detect from within a Behavior.
- D. Defines what CI identifiers to use.
Answer: C
NEW QUESTION # 69
Which of the below statements are true while troubleshooting Discovery.
Response:
- A. Sensors: Information returned but not displayed correctly
- B. permission issue: Mideserver Credentils
- C. None of the above
- D. Probes: Information not returned as expected
- E. Connectivity Issues: Logical and physical firewalls
Answer: A,B,D,E
NEW QUESTION # 70
What is the purpose of the Discovery Configuration Console?
Response:
- A. Configuration of Discovery debug logs and other properties
- B. Enable/Disable the discovery of Devices(Windows,Unix) , Applications & Include/Exclude the discovery of installed Software (Correct) based on filters
Answer: B
NEW QUESTION # 71
After navigating to an Automaton Error Messages list from Discovery > Home, how are the options on the right navigation pane categorized? (Choose two.)
- A. SELECT ONE
- B. ACTION ON ALL
- C. SELECT ALL
- D. ACTION ON SELECTED
Answer: B,C
NEW QUESTION # 72
Which of the following choices explain differences between Service Mapping and Discovery?
- A. Discovery requires agent installation to find hardware devices; Service Mapping requires agents for software.
- B. Discovery addresses inventory-related use cases, while Service Mapping allows for the creation of accurate maps of application service topologies.
- C. Discovery utilizes IP address ranges for initial discovery; Service Mapping uses entry points.
- D. Discovery finds applications and devices on your network; Service Mapping monitors those devices.
Answer: B,C
NEW QUESTION # 73
If the Allow fallback to parent's rules checkbox is unchecked on the CI Identifier entry of a Child class, what is the expected behavior.
Response:
- A. a CI on the parent class, finally if no match found a new CI is created in the Child Class
- B. An attempt is made to match a CI on the Child Class, if no match found an attempt is made to match
- C. An attempt is made to match a CI on the Child Class, if no match found a new CI is created in the Child Class.
Answer: A,B
NEW QUESTION # 74
How many shazzam batches are made by the Discovery Schedule for 10000 IP Addresses if the Shazzam batch size is 1000.
Response:
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION # 75
Which of the following choices must be installed on a MID Server to run Credential-less Discovery?
- A. Credential-less Extension
- B. Defender
- C. Advanced IP Scanner
- D. Nmap
Answer: D
NEW QUESTION # 76
When designing steps with operations requiring variables, it is best practice to do what?
- A. hard core variables
- B. query targets for variables
- C. always use scalar variables
- D. design for a static environment
Answer: C
NEW QUESTION # 77
What is the correct order of the Discovery phases?
Response:
- A. Port Scan Phase, Classification Phase, Exploration Phase, Identification Phase
- B. Port Scan Phase, Classification Phase, Identification Phase, Exploration Phase
- C. Classification Phase, Exploration Phase, Identification Phase,Port Scan Phase
- D. Identification Phase, Port Scan Phase, Classification Phase, Exploration Phase
Answer: B
NEW QUESTION # 78
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The topics covered in the CIS-Discovery Exam include Discovery architecture, data sources, identification rules, and classifications. Candidates will also be tested on their knowledge of Discovery schedules, probes, sensors, and MID Servers. They will need to demonstrate an understanding of how Discovery integrates with other ServiceNow applications, such as CMDB and ITOM.
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