CompTIA A+ 1000 – Part 2
Module 9: Cloud Computing
1. Which of these is NOT an essential characteristic of on demand service?
Choose one answer.
- Measured service
- Resource pooling
- Reduced cost
- Rapid elasticity
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2. In cloud computing management, what does vendor lock-in refer to?
Choose one answer.
- Contracts requiring minimal service times
- Server fees provided for cloud use
- The ability to export the company’s data
- Availability of the service 24/7
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3. True or False: Resource pooling is a technique that allows the sharing of a single physical instance of an application among multiple customers.
Answer true or false
- True
- False
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4. Which cloud risk involves the failure of the mechanism that separates storage, memory, and routing between tenants?
Choose one answer.
- Isolation failure
- Lock-in
- Rapid elasticity
- Network demand
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5. Cloud computing has four deployment models that define the type of access to the cloud. Which of these is not a deployment model?
Choose one answer.
- Hybrid cloud
- Platform cloud
- Private cloud
- Public cloud
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6. There are many benefits to the public cloud model including reliability and flexibility. Which of these is the major disadvantage of the public cloud model?
Choose one answer.
- Cost
- Low scalability
- Low security
- Location dependents
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7. In cloud computing, using a network as a service, the idea where customers only have to pay for a high-capacity network when it is needed is known as what?
- Independence
- Resilience
- Analytics
- Bursting
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8. The front end of cloud computing refers to the client part of the system. What does the back end refer to?
Choose one answer.
- Applications
- The cloud itself
- Customers
- Services provided
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9. When a mechanism fails that separates storage, memory, or routing between tenants, this is called __________.
Choose one answer.
- On-demand service
- Isolation failure
- Lock-in
- Virtualization
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10. Which of these provides resources such as virtual storage, physical machines, or virtual machines?
Choose one answer.
- All of these
- Infrastructure as a service
- Platform as a service
- Software as a service
