Data Context Quiz

Which of the following statements about data visualization is false?

• Data visualization helps make complex numerical data easier to understand.

• The choice of chart depends on the type of data being represented.

• A line graph is typically used to show changes in temperature over time.

• Infographics cannot contain both text and visual elements.

Match each type of chart with the type of data it best represents:

• Relationship between two variables

• Line Graph

• Trends over time

• Histogram

• Proportions of a whole

• Pie Chart

• Comparing sales figures of different pro

• Scatter Plot

• Distribution of data

• Bar Chart

Identify two advantages of using infographics to present data.

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A meteorologist wants to present historical rainfall data for multiple cities. Which visualization method would be most appropriate?

• Pie Chart

• Bar Chart

• Line Graph

• Scatter Plot

Describe one way that spreadsheet software can enhance the presentation of numerical data.

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Which encryption method is more secure for online transactions, and why?

• Symmetric encryption, because it uses a single key for both encryption and decryption

• Public-key encryption, because it uses separate keys for encryption and decryption

• Symmetric encryption, because it requires lower computational power

• Public-key encryption, because the same key is shared between all users

Match the encryption method with its use case:

• Secure login authentication in online ba

• Hashing

• Encrypting stored data in a company data

• Public-Key Encryption

• Ensuring data integrity

• Symmetric Encryption

Define encryption in cybersecurity.

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Which of the following is an example of public-key encryption?

• A Wi-Fi network requiring a password for access

• A secure website using HTTPS

• A USB drive locked with a PIN code

• A personal document protected by a local password

Describe how Secure Socket Layer (SSL) and Transport Layer Security (TLS) protect online data transmission.

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