ServiceNow Certified Implementation Specialist - Discovery CIS-Discovery Exam Questions

Answer : A

Answer : A, D, E

For a pattern operation, the <_> placeholder can be replaced by any valid index or wildcard character that can be used to access an element of an array or a table.The $IfTable variable is a table that contains information about the network interfaces of a device1.The InstanceID attribute is a unique identifier for each interface2. To access the InstanceID of a specific interface, the pattern operation can use the following syntax:

$IfTable[<index>].InstanceID

where <index> is either:

A numeric index that corresponds to the position of the interface in the table, such as3for the third interface.

A dot (.) followed by a key-value pair that matches a specific attribute and value of the interface, such as [.Name=eth0] for the interface with the name eth0.

An asterisk () that represents a wildcard that matches any interface in the table, such as [] for all interfaces.

1: IfTable - Product Documentation: San Diego - ServiceNow

2: InstanceID - Product Documentation: San Diego - ServiceNow

Answer : B, D

The CMDB contains records of configuration items (CIs) and their relationships. A CI is any component that needs to be managed in order to deliver an IT service, such as a server, an application, or a user. A relation type defines the nature of the connection between two CIs, such as depends on, uses, or contains. A model is a template for a CI that defines its attributes and default values. An asset is a tangible or intangible resource that is tracked and managed by the organization, such as a laptop, a license, or a contract.

Configuration Item (CI) types: Attributes and relationships

What is a configuration management database (CMDB)?

CSA Challenge Questions Flashcards

Answer : C

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

Answer : A

Answer : B

A horizontal pattern is a type of Discovery pattern that discovers configuration items (CIs) and their relationships by moving across the network from one device to another. A horizontal pattern can use the Change user operation to switch from the default credentials to any other appropriate credentials for a specific device or application. This operation allows the pattern to access different types of CIs with different authentication methods.

Discovery patterns

Change user operation

Answer : B, C