Question 1

It is no longer feasible to manage big data,content from mobiles and social networks,and data in the cloud without the well-designed set of plans,or blueprint,provided by EA.

Accepted Answer

Due to the complexity and volume of modern data sources, it is increasingly important to have a comprehensive enterprise architecture (EA) to effectively manage them. Without a well-designed plan and structure provided by EA, businesses may struggle to keep up with the demands of big data, mobile and social networks, and cloud computing.

Question 2

A data center is designed and built to be scalable so the amount of storage and the workload it can handle changes without purchasing and installing more equipment.

Accepted Answer

A data center designed and built to be scalable often requires purchasing and installing more equipment to handle increased storage needs or workload, as scalability involves physical and/or virtual expansion capabilities.

Question 3

In an organization,there may be a culture of distrust or political conflicts between the technology and business folks,which are resolved with data governance.

Accepted Answer

The answer of In an organization,there may be a culture...

Question 4

Success of EA is measured in financial terms of profitability and ROI.In contrast,the success of data governance is measured in nonfinancial terms of improved customer satisfaction,faster speed to market,and lower employee turnover.

Accepted Answer

The answer of Success of EA is measured in financial...

Question 5

The NSA's data center in Bluffdale,Utah is its largest spy data center where information from Google,Facebook,and Apple are stored.

Accepted Answer

The NSA's data center in Bluffdale, Utah is indeed its largest spy data center where information from various sources, including Google, Facebook, and Apple, are stored.

Question 6

Meta data is defined as the consistent and uniform data within an enterprise that describes their key entities such as customers,products and services,vendors,locations,and employees around which business is conducted.

Accepted Answer

Metadata is data that provides information about other data, not necessarily about key entities of a business. It describes characteristics of data, such as its author, date of creation, size, and file type, rather than the data content itself.

Question 7

A TPS in OLTP mode collects all transaction for a day,shift,or other time period,and then processes the data and updates the databases.

Accepted Answer

A TPS in OLTP mode processes transactions one at a time and updates the database in real-time, rather than collecting transactions over a period to process all at once.

Question 8

Decision support systems are interactive applications that support highly structured decision making scenarios.

Accepted Answer

Decision support systems are designed to assist in making decisions in situations that are not highly structured, often dealing with complex problems where the data may be uncertain or incomplete.

Question 9

To maintain a balance between costs and benefits,it is advised that managers generally add storage,applications,and/or databases on an "as needed" basis.

Accepted Answer

The answer of To maintain a balance between costs and...

Question 10

In the financial services sector,strict reporting requirements of the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 are leading to greater use of data governance.

Accepted Answer

The statement is true as the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 requires financial firms to capture and report a vast amount of data related to their operations, which has led to greater use of data governance.

Question 11

The National Climatic Data Center is an example of a public data center that stores and manages the world's largest archive of weather data.

Accepted Answer

The National Climatic Data Center, which is now part of the National Centers for Environmental Information, does indeed store and manage the world's largest archive of weather data.

Question 12

A company's application architecture describes the hardware and software infrastructure that supports applications and their interactions.

Accepted Answer

The answer of A company's application architecture describes the hardware...

Question 13

EA is needed when IT systems have become unmanageably complex and expensive to maintain.

Accepted Answer

Enterprise Architecture is useful when IT systems have become too complex and difficult to manage, and organizations need to ensure that their systems align with their business goals and objectives.

Question 14

ISs do not exist in isolation,but rather exist within an organizational culture.

Accepted Answer

ISs are implemented within an organization and are influenced by the values, beliefs, and behaviors of the organizational culture. Therefore, ISs do not exist in isolation, but rather within the broader organizational context.

Question 15

Governance cuts the cost of maintaining and archiving bad,unneeded,or wrong data.

Accepted Answer

Governance helps in identifying and disposing of obsolete, redundant or incorrect data, which reduces the cost of maintaining and archiving unnecessary data.

Question 16

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.

Accepted Answer

Cloud computing is a rapidly evolving field with new technology emerging frequently. Therefore, it is important to conduct thorough research and carefully consider the options when selecting a cloud service provider.

Question 17

A data governance program should be an IT project because data crosses boundaries and is used by people throughout the enterprise.

Accepted Answer

A data governance program should be a business initiative, not just an IT project, because it involves setting policies and standards for data usage, quality, and security across the entire organization, impacting various departments and requiring collaboration beyond just the IT department.

Question 18

Data collected by the TPS are converted into reports by the MIS and analyzed by the DSS to support decision making.

Accepted Answer

The TPS collects data, which is then processed and converted into reports by the MIS. The DSS then analyzes this data to support decision making.

Question 19

On-premises data centers,virtualization,and cloud computing are types of IT infrastructures or computing systems.

Accepted Answer

The answer of On-premises data centers,virtualization,and cloud computing are types...

Question 20

Using virtualization methods,enterprises can respond to change more quickly and make better decisions in real time without physically moving their data,which significantly cuts costs.

Accepted Answer

Virtualization allows enterprises to create virtual instances of their hardware and software, allowing them to quickly respond to change and make real-time decisions without the need to physically move data. This can significantly cut costs related to physical hardware and infrastructure.

Quiz 2: Data Governance and IT Architecture Support Long-Term Performance