Cloud Scalability and Elasticity Quiz

1. What is the primary purpose of a load balancer in a scalable cloud architecture?

To increase server security

To distribute requests evenly across multiple instances

To reduce cloud provider costs

To monitor database performance

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3. What is a key benefit of cloud elasticity for cost management?

Pay only for resources actively used

Eliminate all infrastructure costs

Guarantee 100% system uptime

Reduce application complexity

4. True or False: Vertical scaling can continue indefinitely without physical limits.

True

False

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6. Which auto-scaling policy adds instances when CPU exceeds 70% for 5 minutes?

Reactive scaling policy

Proactive scaling policy

Predictive scaling policy

Manual scaling policy

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8. True or False: Horizontal scaling always requires stateless application design.

True

False

9. Which scaling strategy is best for predictable, gradual traffic increases?

Vertical scaling only

Horizontal scaling with manual adjustment

Horizontal scaling with auto-scaling policies

No scaling; optimize existing resources

Submit

11. What is the primary difference between horizontal and vertical scaling in cloud environments?

Horizontal adds more servers; vertical increases server capacity

Horizontal decreases latency; vertical improves throughput

Horizontal is cheaper; vertical is more reliable

Horizontal requires downtime; vertical does not

12. True or False: Cloud elasticity requires manual intervention to add or remove resources.

True

False

13. Which of the following is a disadvantage of horizontal scaling?

Increased application complexity and state management

Lower overall system cost

Better fault tolerance

Easier capacity planning

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15. A cloud application experiences sudden traffic spikes. Which scaling approach responds fastest?

Vertical scaling

Horizontal scaling with auto-scaling enabled

Manual horizontal scaling

Reducing server capacity

16. What metric is typically used to trigger an auto-scaling event?

Server color

CPU utilization or memory usage

Network cable length

Physical server location

17. True or False: Scalability and elasticity mean the same thing in cloud computing.

True

False

Submit

19. Which of the following best describes auto-scaling?

Manually adjusting server capacity based on demand

Automatically provisioning or deprovisioning resources based on metrics

Permanently increasing infrastructure size

Reducing costs by using older hardware

Submit

General Cloud Intermediate Scalability and Elasticity Quiz

1. What is the primary purpose of a load balancer in a scalable cloud architecture?

2.

What first name or nickname would you like us to use?

2. A cloud service automatically reduces instances during off-peak hours to save costs. This is an example of ____.

3. What is a key benefit of cloud elasticity for cost management?

4. True or False: Vertical scaling can continue indefinitely without physical limits.

5. In a horizontally scaled cloud system, session state should ideally be stored in ____.

6. Which auto-scaling policy adds instances when CPU exceeds 70% for 5 minutes?

7. Cloud scalability refers to a system's capacity to ____ to handle increased workload.

8. True or False: Horizontal scaling always requires stateless application design.

9. Which scaling strategy is best for predictable, gradual traffic increases?

10. An e-commerce platform scales from 5 to 50 servers during holiday sales. This demonstrates ____.

11. What is the primary difference between horizontal and vertical scaling in cloud environments?

12. True or False: Cloud elasticity requires manual intervention to add or remove resources.

13. Which of the following is a disadvantage of horizontal scaling?

14. Vertical scaling involves upgrading ____.

15. A cloud application experiences sudden traffic spikes. Which scaling approach responds fastest?

16. What metric is typically used to trigger an auto-scaling event?

17. True or False: Scalability and elasticity mean the same thing in cloud computing.

18. Load balancing distributes incoming traffic across multiple servers to improve ____.

19. Which of the following best describes auto-scaling?

20. Elasticity in cloud computing refers to the ability to ____.