After watching the video, answer the following study questions based on the content covered:

Question $1$: What are the primary differences between a hub, a switch, and a router in a computer network? Provide examples of scenarios where each device would be most suitable.

Question $2$: Explain the concept of subnetting in IP networking. How does subnetting contribute to efficient utilization of IP addresses? Provide a practical example to illustrate subnetting.

Answers and Explanation:

Provide detailed answers to the study questions along with explanations to ensure understanding.

Conclusion:

Summarize the key concepts learned from watching the CompTIA Network$+$ video and solving the study questions.