Questão 1
Questão
The supply of oranges used by Coca-Cola has a three-month growing season, but orange juice production is year-round. Therefore, producing orange juice with a consistent taste year-round is complex. How does Coca-Cola deal with this complexity and keep their orange juice taste consistent?
Responda
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An orange juice decision model was developed that combines detailed data on the 600+ flavors that make up an orange.
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A decentralized data model was developed to respond to consumer preferences.
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Legacy systems were replaced with data silos to manage big data.
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A data governance program was implemented to ensure that juice preferences are achieved.
Questão 2
Questão
Ad-hoc requests for specific data from a database or warehouse are called ___________.
Responda
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Unplanned reports
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Relational reports
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Volatile
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Queries
Questão 3
Questão
________ tools and techniques process data and do statistical analysis for insight and discovery.
Questão 4
Questão
When customer X calls an organization’s customer service center, the service representative has access to a complete history of X’s previous calls, as a list of the services X has purchased, and customer profitability score. All of this information is up-to-date and is accessed from the company’s _________.
Responda
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Management information system
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Transactional database system
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Active data warehouse
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Online transaction processing system
Questão 5
Questão
________ processes move data from databases into data warehouses or data marts, where the data are available for access, reports, and analysis.
Questão 6
Questão
All of the following are examples of the influence of social, mobile, and cloud technologies except ________.
Responda
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Connections and feedback via social networks have changed the balance of influence.
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Customers expect to use location-aware services, apps, alerts, social networks, and the latest digital capabilities at work and outside work.
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Customer loyalty and revenue growth depend on a business’ ability to offer unique customer experiences that wow customers more than competitors can.
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Consumers are less likely to trust tweets from ordinary people than recommendations made by celebrity endorsements.
Questão 7
Questão
Which of the following is not a consequence of poor quality or dirty data?
Responda
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The company loses sales or customers
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Information workers are constrained in their jobs
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Decision makers face too much uncertainty to make intelligent decisions
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The company faces data ownership problems
Questão 8
Questão
Big data are what high-volume, mostly text data are called.
Questão 9
Questão
The greatest strategic advantage of cloud solutions is that they increase an organization’s [blank_start]agility[blank_end], or ability to quickly implement IT for competitive advantage.
Questão 10
Questão
____________ software enables users to analyze data from various dimensions or angles, categorize them, and find correlations or patterns among fields in the data warehouse.
Responda
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NoSQL
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Data mining
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Hadoop
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Nexus
Questão 11
Questão
Data are worthless if you cannot analyze, interpret, understand, and apply the results in context.
Questão 12
Questão
Improperly managed or destroyed business records become ________.
Responda
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liabilities
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archives
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breach of contracts
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lawsuits
Questão 13
Questão
Relational databases store data in tables consisting of columns and rows, similar to the format of a spreadsheet.
Questão 14
Questão
After data are extracted from a database and processed to standardize their format, they are then loaded into a ________ and ready for analysis.
Questão 15
Questão
Organizations that cannot afford the cost of a data warehouse, but want the benefits of online analytic processing invest in ___________.
Responda
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spreadsheets
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big data
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text mining
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data marts
Questão 16
Questão
All of the following are factors contributing to the increased use of BI, except:
Responda
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Smart devices and demand for 24/7 access to insights
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Proprietary information systems
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Cloud-enabled BI and analytics
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Increased amounts of data
Questão 17
Questão
Software as a service (SaaS) apps are typically accessed over a network using a Web browser (no hardware or software to install) and paid for by a fixed subscription fee or on a per-use basis.
Questão 18
Questão
The success of any data-driven initiative, such as marketing campaigns, depends on ________.
Questão 19
Questão
With text analytics, information is extracted out of large quantities of various types of textual information. Which of the following is not one of the steps involved in text analytics described in your text?
Responda
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Visualization - translating text data to graphic format (e.g. charts, graphs) for effective reporting
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Exploration of documents for preliminary categorization or identification of common topics
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Preprocessing of documents to standardize content as much as possible
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Categorization and modeling of document content using statistical models and business rules
Questão 20
Questão
When workflows are digital, productivity increases, costs decrease, compliance obligations are easier to verify, and green computing becomes possible.
Questão 21
Questão
Business Intelligence is crucial becuase
Responda
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It is related to ALL business functions in an organization
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It is required to run a business successfully
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It provides a company with a source of competitive advantage
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ALL of the above
Questão 22
Questão
Traditional databases are not well suited for managing unstructured data such as customer comments and tweets.
Questão 23
Questão
In the food industry, ________ is required to comply with food safety regulations that require being able to trace contamination problems back to a particular processing plant and even back to the farm.
Responda
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data governance
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IT-business alignment
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data architecture
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a technology audit
Questão 24
Questão
Big data analytics has increased the demand for data scientists.
Questão 25
Questão
Because cloud is still a relatively new and evolving business model, the decision to select a cloud service provider should be approached with even greater diligence than other IT decisions.
Questão 26
Questão
Which of the following is not a risk associated with cloud-based BI?
Responda
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Slower response time
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Security risk
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Backup risk
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Increased costs
Questão 27
Questão
Enterprises use real-time data from tweets and sensors to gain insight into their customers' interests and preference.