In R, which function from the ggplot2 package would be best suited for creating a scatter plot with different colors representing different categories?
Which layer in the OSI model is responsible for end-to-end communication and error-free delivery of data between hosts?
A retailer wants to segment its customers to optimize targeted marketing campaigns. Which of the following approaches would be most effective for custom...
In the context of memory management, which of the following page replacement algorithms suffers from Belady's Anomaly?
Given the following SQL query:
SELECT department _ id, COUNT(*) AS employee _ count
FROM employees
GROUP BY department_id
HA...
Why is metadata crucial in the management of data?
A logistics company wants to reduce delivery delays using predictive analysis. What should they focus on?
In a virtual memory system, a process requests a page that is not currently in memory, triggering a page fault. Which of the following is the most optim...
CREATE OR REPLACE VIEW high _ salary _ employees AS
SELECT employee _ id, salary
FROM employees
WHERE salary > 50000;
Which ...
Which data visualization tool is most suitable for creating interactive dashboards and sharing visual insights with stakeholders ?
