Data Management Quiz

What is the purpose of data governance in managing data challenges?

• To increase data complexity

• To address common challenges using data governance

• To reduce the importance of data

• To ignore data challenges

What are relational databases evaluated on?

• Their color and design

• Their advantages and disadvantages

• The number of tables they contain

• The speed of the internet connection

What does Big Data refer to?

• A large collection of small data

• A small collection of large data

• Data with basic characteristics that define Big Data

• Only the size of the data matters

What is necessary to successfully implement and maintain data warehouses?

• Only financial investment

• Only physical space

• Specific elements that are necessary for implementation and maintenance

• A large workforce

What are the considerations when implementing knowledge management systems in organizations?

• Only the benefits

• Only the challenges

• Both the benefits and challenges

• Neither benefits nor challenges

Which aspects are involved in the processes of querying a relational database?

• Entity-relationship modeling, normalization, and joins

• Guesswork, assumptions, and estimations

• Data deletion, corruption, and loss

• Networking, programming, and hacking

Which of the following is the smallest unit of data in the hierarchy presented?

• Byte

• Database

• Bit

• Field

What comes immediately after 'Byte' in the Data Hierarchy?

• Bit

• Data file or table

• Field

• Database

What is the largest unit of data in the hierarchy shown in the image?

• Byte

• Bit

• Field

• Database

What is one of the difficulties of managing data as it increases over time?

• Data decreases exponentially with time

• Data remains constant over time

• Data increases exponentially with time

• Data is completely static with time