Explanation
Some characteristics of the material ledger are that it is used to valuate materials in different currencies, it is mandatory in SAP S/4HANA, and it is used to calculate different prices for material valuation. The material ledger is not used to calculate the standard price or must be activated per controlling area.References: [SAP Help Portal - Material Ledger Overview]

Explanation
The different types of SAP Fiori apps are analytical, fact sheet, and transactional. Analytical apps provide real-time insights into key performance indicators, fact sheet apps display contextual information and key facts about central objects, and transactional apps allow users to perform transactions or change settings. KPI report and interactive are not valid types of SAP Fiori apps.References: [SAP Help Portal - Types of SAP Fiori Apps]

Explanation
A purchasing organization is an organizational unit that is responsible for procuring materials or services for one or more plants and negotiating prices and conditions with vendors. When defining purchasing organizations, you must consider the following aspects:
Each purchasing organization has its own info records, which contain information about the conditions and delivery data for a material from a specific vendor.
Each purchasing organization has its own supplier master data, which contain information about the general data, accounting data, and purchasing data for a supplier. References: SAP S/4HANA Sourcing and Procurement | SAP Learning, Course S4500, Unit 1, Lesson 1.

Explanation
A business partner is a person or organization that has a business relationship with your company. When creating a new business partner, you can choose from the following categories:
Organization, which represents a legal entity such as a company, corporation, or institution.
Person, which represents an individual such as an employee, customer, or contact person.
Customer, which represents a business partner who purchases products or services from your company.
References: SAP S/4HANA Sourcing and Procurement | SAP Learning, Course S4500, Unit 1, Lesson
1.

Explanation
When analyzing a key performance indicator (KPI) report in Purchasing Analytics, you can export to a spreadsheet or change the dimensions that are shown. You cannot select the CDS view to be used or import from a spreadsheet.References: [SAP Help Portal - Purchasing Analytics]