Cloud Deployment Models Questions and Answers

Q: Consider the following statements about repatriation from cloud.1. Some organisations have moved workloads back to their own hardware.2. Steady high utilisation workloads are the usual candidates.3. Repatriation is evidence that cloud adoption was a mistake.

Correct answer: 1 and 2 onlyStatements 1 and 2 are correct: repatriation happens, and the candidates are the steady, predictable, heavily utilised workloads where the cloud’s elasticity is worth little and its margin is paid on every hour. Statement 3 reads too much into it - moving a workload to the environment that suits it is ordinary optimisation, and the same organisations usually keep the variable and experimental work in the cloud.

Q: Arrange the steps of choosing a deployment model in order.1. compare candidate models against those requirements2. identify regulatory and data residency constraints3. plan the exit route before committing4. characterise the workload's demand pattern and latency needs

Correct answer: 2 - 4 - 1 - 3The constraints come first because they are non-negotiable and may eliminate whole options before anything else is considered. The workload’s demand pattern and latency needs follow, since they determine what would suit. Only then can candidate models be compared against both. Planning the exit route comes last but before committing - it is far cheaper to design while the choice is still open than to discover later that there is no way back.

21.

Consider the following statements about repatriation from cloud.
1. Some organisations have moved workloads back to their own hardware.
2. Steady high utilisation workloads are the usual candidates.
3. Repatriation is evidence that cloud adoption was a mistake.

A.1 and 2 only
B.3 only
C.1 only
D.All of them

Answer: A

Correct answer: 1 and 2 only

Statements 1 and 2 are correct: repatriation happens, and the candidates are the steady, predictable, heavily utilised workloads where the cloud’s elasticity is worth little and its margin is paid on every hour. Statement 3 reads too much into it - moving a workload to the environment that suits it is ordinary optimisation, and the same organisations usually keep the variable and experimental work in the cloud.

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22.

Data egress charges influence architecture because they

A.are always entirely negligible
B.make moving large volumes out expensive
C.apply equally to data entering the cloud
D.are exactly the same for every provider

Answer: B

Ingress is usually free while egress is charged, which creates an asymmetry that favours keeping data where it is. Architectures that move large volumes between clouds pay for it repeatedly. The asymmetry is deliberate.

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23.

Assertion (A): The asymmetry between ingress and egress charging tends to keep data where it lands.
Reason (R): Data entering is usually free while data leaving is charged.

A.A is true but R is false
B.A is false but R is true
C.Both A and R are true, and R is the correct explanation of A
D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both are true and the reason gives the mechanism, and it is a commercial rather than a technical reason for the difficulty of moving between providers. Charging shapes architecture. Ingress is generally free while egress is not.

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24.

Arrange the steps of choosing a deployment model in order.
1. compare candidate models against those requirements
2. identify regulatory and data residency constraints
3. plan the exit route before committing
4. characterise the workload's demand pattern and latency needs

A.3 - 1 - 4 - 2
B.4 - 2 - 1 - 3
C.2 - 1 - 4 - 3
D.2 - 4 - 1 - 3

Answer: D

Correct answer: 2 - 4 - 1 - 3

The constraints come first because they are non-negotiable and may eliminate whole options before anything else is considered. The workload’s demand pattern and latency needs follow, since they determine what would suit. Only then can candidate models be compared against both. Planning the exit route comes last but before committing - it is far cheaper to design while the choice is still open than to discover later that there is no way back.

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25.

State whether the following is true or false.
A single organisation may use several deployment models for different workloads.

A.True
B.False
C.True only at large scales
D.False only at small scales

Answer: A

There is no requirement to standardise, and different workloads genuinely have different constraints. The management overhead of several models is the cost that has to be set against the fit. Standardising is not required.

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26.

Consider the following statements about managing several deployment models.
1. Each additional model adds operational and skills overhead.
2. Consistency of tooling across models reduces that overhead.
3. Using more models always reduces total cost.

A.All of them
B.1 and 2 only
C.3 only
D.1 only

Answer: B

The first two are correct. The third is the opposite of the usual experience, since each model brings its own tools, skills and failure modes to be managed. Consistency of tooling helps a great deal. Skills are the scarcer of the two resources.

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27.

A distributed cloud offering places provider managed infrastructure

A.on the customer's own laptops
B.in a shared community facility
C.in the customer's own data centre
D.only in the provider's own regions

Answer: C

It gives the provider's control plane and services on hardware that sits where the customer needs it. The arrangement addresses latency and residency without giving up managed services. The control plane stays with the provider.

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