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BCIS Exam Two
| Question | Answer |
|---|---|
| refers to the extent of detail within the data (fine and detailed or coarse and abstract | Data Granularity |
| encompasses all raw facts contained within a single process and its purpose is to support daily operational tasks. | Transactional Data |
| encompasses all organizational data, and its primary purpose is to support the performance of managerial analysis or semistructured decisions. | Analytical Data |
| Examples of Analytical Data | Future Projections, Sales Trends, Market Projection |
| occurs when the same data element has different values | Data Inconsistency |
| measure of the quality of data | Data Integrity |
| occurs when a company examines its data to determine if it can meet business expectations, while identifying possible data gaps or where missing data might exist | Data Gap Analysis |
| the management and oversight of an organization’s data assets to help provide business users with high-quality data that is easily accessible in a consistent manne | Data Stewardship |
| responsible for ensuring the policies and procedures are implemented across the organization and acts as a liaison between the MIS department and the business | Data Steward |
| refers to the overall management of the availability, usability, integrity, and security of company data | Data Governance |
| maintains data about various types of objects (inventory), events (transactions), people (employees), and places (warehouses) | Database |
| creates, reads, updates, and deletes data in a database while controlling access and security | Database Management System |
| tool helps users graphically design the answer to a question against a database | Query by Example |
| Four functions that a database management system can perform on data in a database | Read data, Create data, Delete data, Update data |
| asks users to write lines of code to answer questions against a database | Structured Data Query |
| synonym for data element, the smallest or basic unit of data in a database | Data Field |
| logical data structures that detail the relationships among data elements using graphics or pictures. | Data Models |
| tool that consists of lines of code (in contrast to a graphical design) for answering questions against a database? | Structured Data Query |
| provides details about data. | Metadata |
| helps users graphically design the answer to a question against a database | Query by Example |
| compiles all of the metadata about the data elements in the data model | Data Dictionary |
| stores data about a person, place, thing, transaction, or event | Entity |
| data elements associated with an entity | Data Attributes |
| field that uniquely identifies a given record in a table | Primary Key |
| three terms for the data elements associated with an entity | Fields, Attributes, Columns |
| Three statements reflecting the business advantages of a relational database. | Reduced data redundancy, Increased data security, Increased data integrity |
| focuses on how individual users logically access information to meet their own particular business needs | Logical View of Information |
| time it takes for data to be stored or retrieved | Data Latency |
| rules that help ensure the quality of data | Integrity Constraints |
| Rules that enforce basic and fundamental information-based constraints, such as not creating an order for a nonexistent customer? | Relational Integrity Constraints |
| rule defines how a company performs certain aspects of its business and typically results in either a yes/no or true/false answer | Business Rule |
| enforce business rules vital to an organization’s success and often require more insight and knowledge than relational integrity constraints. | Business Critical Integrity Constraints |
| a broad administrative area that deals with identifying individuals in a system and controlling their access to resources within that system by associating user rights and restrictions with the established identity? | Identity management |
| compare two or more data sets to identify patterns and trends | Comparative Analysis |
| identifies the primary location where data is collected | Source Data |
| three reasons why operational systems are not appropriate for business analysis. | Information from other operational applications is not included, Operational information is mainly current, Operational systems are not integrated |
| the collection of data from various sources for the purpose of data processing. | Data Aggregation |
| a logical collection of data, gathered from many different operational databases, that supports business analysis activities and decision-making tasks? | Data Warehouse |
| organized collection of data | Data Set |
| contains a subset of data warehouse data | Data Mart |
| occurs when a company keeps tabs of its competitor’s activities on the web using software that automatically tracks all competitor website activities such as discounts and new products? | Competitive Monitoring |
| technique for establishing a match, or balance, between the source data and the target data warehouse | Data Map |
| a storage repository that holds a vast amount of raw data in its original format until the business needs it | Data Lake |
| an approach to business governance that values decisions that can be backed up with verifiable data | Data Driven Decision Management |
| a business analytics specialist who uses visual tools to help people understand complex data | Data Artist |
| technologies that allow users to “see” or visualize data to transform information into a business perspective | Data Visualization |
| What moves beyond Excel graphs and charts into sophisticated analysis techniques such as pie charts, controls, instruments, maps, time-series graphs, and more? | Data Visualization Tools |
| What tracks corporate metrics such as critical success factors and key performance indicators and include advanced capabilities such as interactive controls allowing users to manipulate data for analysis? | Business Intelligence Dashboards |
| a business analytics specialist who uses visual tools to help people understand complex data | Data Artist |
| processes and manages algorithms across many machines in a computing environment. | Distributed Computing |
| records classified and summarized transactional data | Ledger |
| a type of distribution ledger, consisting of blocks of data that maintain a permanent and tamper-proof record of transactional data | BlockChain |
| Proof-of-work is a requirement to define an expensive computer calculation, also called _________, that needs to be performed in order to create a new group of trustless transactions (blocks) on the distributed ledger or blockchain. | Mining |
| A blockchain is formed by linking ______, data structures containing a hash, previous hash, and data. | Blocks |
| first block created in the blockchain. | Genesis |
| What is a requirement to define an expensive computer calculation, also called mining, that needs to be performed in order to create a new group of trustless transactions (blocks) on the distributed ledger or blockchain? | Proof of Work |
| a function that converts an input of letters and numbers into an encrypted output of a fixed length. | Hash |
| a way to validate transactions and achieve a distributed consensus | Proof of Stake |
| the ability for a blockchain ledger to remain a permanent, indelible, and unalterable history of transactions. | Immutability |
| encompasses all organizational data and its primary purpose is to support the performing of managerial analysis tasks? | Analytical Data |
| Three unique characteristic of high-quality data | Are there any duplicate customers, Are there any duplicate orders, Is each transaction and event represented only once in the data |
| What is it called when each transaction, entity, and event is represented only once in the data? | Uniqueness |
| What is the term for the management and oversight of an organization’s data assets to help provide business users with high-quality data that is easily accessible in a consistent manner? | Data Stewardship |
| Which of the following represents the different data granularities? | Detail, Summary, Aggregate |
| Most people request real-time data without understanding that continual __________ is one of its biggest pitfalls | Change |
| Which of the following lists include all of the five characteristics common to high-quality data? | Accuracy, completeness, consistency, timeliness, uniqueness. |
| Which of the following is correct in reference to a database? | A database can support many logical views |
| The example the book gave of www.EllisIsland.org, which generates more than 2.5 billion hits, is a site that offers a database that can easily adjust to handle massive volumes of data. What is this an example of? | Increased scalability and performance. |
| Which of the following focuses on how individual users logically access data to meet their own particular business needs? | Logical View |
| What includes invoices, spreadsheets, time sheets, and transactions? | Source Data |
| What is a central location in which data is stored and managed? | Repository |
| Although she does not have a background in technology, her job requires her to work with analytical tools to make data-driven decisions. To make her job easier, what can she customize to display data quickly and run custom reports? | Dashboard |
| A process that loads data into a data warehouse, A process that extracts data from internal and external databases, A process that transforms data using a common set of enterprise definitions. | ETL |
| What do data warehouses support? | OLAP and Analytical Processing |
| What is the ultimate outcome of a data warehouse? | Data Marts |
| What is the primary purpose of a data warehouse? | Combine Strategic Data |
| In a block in a blockchain what represents the transactional data, sender, receiver, and number of coins? | Data |
| What are the three advantages of using blockchain technology? | Internet of things intergration, immutability, digital trust |
| In a block in a blockchain what represents blocks unique identifier like a fingerprint? | Hash |
Created by:
gnat980