Big data is characterized by the 4 Vs:
* Volume - Large amounts of data.
* Velocity - Data is generated rapidly and continuously changing.
* Variety - Data comes in multiple formats (structured, unstructured, multimedia, etc.).
* Veracity - Ensuring data quality and reliability.
Among these, constant change (velocity) is a defining characteristic of big data.
* (A) Incorrect - Big data is being generated slowly due to volume.
* Big data is generated at high speed (velocity), not slowly.
* (B) Incorrect - Big data must be relevant for the purposes of organizations.
* While relevance is important, it is not a defining characteristic of big data.
* (C) Incorrect - Big data comes from a single type of format.
* Big data consists of multiple formats, including text, images, videos, and unstructured data.
* (D) Correct - Big data is always changing.
* Big data is dynamic and constantly updated in real-time.
* This high velocity and continuous flow of information is a key characteristic.
* IIA's GTAG (Global Technology Audit Guide) - Big Data and Analytics
* Describes how big data is constantly evolving.
* NIST Big Data Framework - Key Characteristics
* Defines volume, velocity, variety, and veracity as essential traits.
* COBIT Framework - IT Governance and Data Management
* Emphasizes the need for organizations to manage rapidly changing data.
Analysis of Answer Choices:IIA References and Internal Auditing Standards:

A Trojan horse is a computer program that appears friendly, for example, a game, but that actually contains an application destructive to the computer system.

Cash collections from customers equals beginning accounts receivable, plus sales revenue, minus accounts written off, minus ending accounts receivable. In Year 2, Cash collections from customers were US $341.000$95,000 + $338,000 - $3,000 - $89,000). Balance sheets on December 31, Year 1, and December 31, Year 2, are presented below