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What is the main purpose of a computer network?

• To prevent unauthorized users from accessing the internet

• To enable communication and resource sharing between devices

• To eliminate the need for internet service providers

• To connect only wireless devices

• To store all data in one central computer

Which of the following is a type of network topology?

• Fiber-optic

• Bluetooth

• Star

• Wireless

• Broadband

What does TCP/IP stand for?

• Total Communication Process/Internet Provider

• Telecommunications Channel Protocol/Interconnected Packets

• Transmission Control Process/Internet. Path

• Transmission Control Protocol/Internet Protocol

• Transport Communication Platform/Information Packet

Which of the following is an example of wireless communication technology?

• Coaxial cable

• Fiber-optic cable

• Ethernet

• DSL

• Wi-Fi

What does ETL stand for in data management?

• Evaluate, Track, List

• Edit Tag Log

• Extract, Transform, Load

• Encrypt, Transfer, Lock

• Extend, Test, Learn

Predictive analytics is primarily used to:

• Generate random outcomes

• Make future predictions based on historical data

• Provide detailed descriptions of past events

• Replace human decision-making

• Analyze historical trends without forecasting

Why is data governance important?

• It only applies to government organizations

• It restricts data usage to only large corporations

• It eliminates the need for databases

• It prevents data from being stored

• it ensures data quality, security, and compliance with regulations

What is a major ethical concern in data analysis?

• Privacy and data security risks

• The use of data for entertainment purposes

• The number of software tools available

• The cost of storage hardware

• The amount of processing power needed

Which of the following is an example of prescriptive analytics?

• Predicting next quarter's revenue

• Generating a static report on customer demographics

• Suggesting the best marketing strategy based on data insights

• Identifying trends in last year's sales

• Determining why website traffic decreased last month

What is the main role of data visualization?

• To replace the need for statistical analysis

• To generate random graphs

• To store large amounts of data efficiently

• To present complex data in an easily understandable format

• To remove inconsistencies in datasets