Cloud Computing – Long Answer Questions
Medium Level (Application & Explanation)
Q1. Explain cloud computing in simple words. How is it different from using software on your own computer? Give daily life examples.
Answer:
- Cloud computing means using remote servers on the internet to store data and run apps.
- In traditional computing, apps and files are on your local computer or local server.
- In the cloud, you access everything through a browser or an app.
- You only need an internet-enabled device like a phone or laptop.
- Examples are Google Drive, Dropbox, and Microsoft Azure.
- The cloud gives flexibility and scalability without installing heavy software.
Q2. Describe the four types of cloud: public, private, hybrid, and community. When is each one useful?
Answer:
- A public cloud is open to everyone through the internet. It is useful for general use and easy access.
- A private cloud is for a single organization. It is useful for sensitive data and better security.
- A hybrid cloud mixes public and private. It is useful when you need flexibility and control together.
- A community cloud is shared by groups with similar needs. It is useful for common rules like security or compliance.
- Public works well for students and small teams.
- Private or hybrid works well for businesses with strict security needs.
Q3. Explain how cloud computing saves costs and increases reliability. Add examples to support your answer.
Answer:
- Cost savings happen because you do not buy servers or do heavy maintenance.
- You pay for services online, which reduces setup costs.
- Reliability improves with automatic backups and disaster recovery features.
- If something fails, data can be restored quickly.
- Using Google Drive or OneDrive can cut storage costs.
- Businesses can host apps on Azure and avoid buying their own servers.
Q4. List the advantages of cloud computing for a student team project. Explain why each advantage matters.
Answer:
- Accessibility lets everyone open files anywhere, on any device with internet.
- Flexibility allows easy sharing and collaboration in real time.
- Storage solutions help store large files without using local space.
- Cost savings reduce the need for expensive software or hardware.
- Reliability protects work with automatic backups and recovery.
- These benefits make teamwork faster, simpler, and organized.
Q5. What are the main disadvantages of cloud computing? Explain how each one can affect users.
Answer:
- Technical issues can cause downtime, so you cannot access files for a while.
- Security risks exist because data is with a third-party provider.
- Vendor lock-in makes switching providers hard and confusing.
- Limited control means the provider manages the infrastructure, not you.
- These issues can reduce trust, speed, and freedom of choice.
- Users must be ready for temporary access problems and privacy concerns.
High Complexity (Analysis & Scenario-Based)
Q6. Your school wants to store report cards online. They need strong security and easy access for teachers. Which cloud type should they choose and why?
Answer:
- A private cloud suits sensitive data like report cards.
- It gives enhanced security and controlled access.
- Only the school uses it, so privacy is stronger.
- Teachers still get remote access through the internet.
- If some parts need public access, a hybrid cloud can be used.
- Hybrid keeps secure data private and general info on public systems.
Q7. A startup uses a popular cloud service for files. Later, they want to move to another provider but face many problems. Explain this situation and its effects.
Answer:
- This is vendor lock-in.
- It means switching providers is complex and challenging.
- The team may face support issues during the move.
- Their data and apps might not easily transfer.
- The result is delays, extra effort, and confusion.
- The company must plan the migration carefully to reduce problems.
Q8. A hospital must protect patient data but also needs some public health information online. Suggest a cloud approach and justify it.
Answer:
- A hybrid cloud is a good choice here.
- Put patient data in a private cloud for better security.
- Put public health info in a public cloud for easy access.
- This gives both control and flexibility.
- The hospital protects sensitive records and shares general updates.
- It balances security with accessibility effectively.
Q9. Your team depends on cloud tools for a project. One day, the service faces downtime. Analyze how advantages and disadvantages of cloud show up here.
Answer:
- The cloud gives accessibility and easy sharing during normal days.
- But technical issues can cause downtime and work delays.
- Reliability features like backups help protect your data.
- You may still wait for service recovery to continue work.
- The team learns to expect great but also possible interruptions.convenience
- Planning for temporary offline tasks can reduce impact.
Q10. A coaching center stores videos on a cloud to save costs and offer access anywhere. During a live session, they lose access. Discuss the trade-offs and what this teaches.
Answer:
- Cost savings are real because they avoid owning servers.
- Accessibility lets students watch from any device with internet.
- But technical issues can cause downtime at critical moments.
- The center depends on the provider’s infrastructure with limited control.
- This shows the balance between benefits and risks in cloud use.
- They should plan for backup access and offline materials when needed.
Q11. A group of schools wants to share learning tools with the same rules for safety and content. Which cloud should they choose? Explain.
Answer:
- A community cloud fits groups with common needs.
- The schools can share resources and policies together.
- They can follow the same security and compliance rules.
- Each school benefits from shared tools and lower effort.
- Access stays through the internet, so it is still simple.
- This option supports collaboration with controlled sharing.
Q12. You must pick a cloud service for a science fair app. You need low cost, easy access, and simple setup. Which type works best and why?
Answer:
- A public cloud is best for quick and open access.
- It offers easy setup and simple access through the internet.
- It helps reduce costs because you avoid buying servers.
- Students and judges can use it on phones and laptops.
- It gives flexibility to share and update content fast.
- It meets the basic needs with minimal complexity.