Cloud Technology Concepts (C90.02) Free Practice Test

Question 1

Which of the following characteristics of cloud-based IT resources are difficult to fully test on Software-as-a-Service (SaaS) implementations?

A. confidentiality

B. availability

C. performance

D. reliability

Correct Answer: B,D

Question 2

A virtual server is a form of ____________________ software that emulates a(n) ____________________ computer.

A. virtualization, physical

B. virtualization, logical

C. virtual monitoring, on-premise

D. virtual monitoring, cloud-based

Correct Answer: A

Question 3

The encryption security mechanism can help mitigate which of the following security threats?
Select the correct answer.

A. overlapping trust boundary

B. insufficient authorization

C. malicious intermediary

D. All of the above.

Correct Answer: D

Question 4

Which of the following statements are true about the state management database mechanism?

A. The use of state management databases requires a ready-made environment.

B. The use of a state management database can improve scalability.

C. State management databases rely on the use of virtualization software.

D. Software programs can off-load state data to a state management database in order to reduce the amount of runtime memory they consume.

Correct Answer: B,D

Question 5

Which of the following mechanisms are combined in a cloud bursting architecture?

A. resource replication

B. automated scaling listener

C. multi-device broker

D. failover system

Correct Answer: A,B

Question 6

Cloud balancing cannot be achieved by redundantly deploying IT resources in advance. Redundant instances of IT resources must be dynamically generated on-demand, at runtime.

A. False

B. True

Correct Answer: A

Question 7

__________________ represents the ability of a cloud platform to keep track of the usage of its IT resources by cloud consumers, and is therefore directly related to the __________________ mechanism.

A. Agent usage, on-premise monitor

B. None of the above.

C. Replicated usage, cloud monitor

D. Measured usage, pay-for-use monitor

Correct Answer: D

Question 8

Which of the following cloud computing mechanisms are directly associated with the realization of the on-demand usage cloud characteristic?

A. pay-for-use monitor

B. resource replication

C. automated scaling listener

D. failover system

Correct Answer: A,C

Question 9

_______________________ is a form of dynamic scaling whereby on-premise IT resources can scale into a cloud when pre-defined thresholds are reached.

A. Resource replication

B. Resource virtualization

C. Resource leveling

D. None of the above.

Correct Answer: D

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SOA Cloud Technology Concepts (C90.02) Free Practice Test