Topic 1 · Question 83

You have an accounting application named App1 that uses a legacy database.
You plan to move App1 to the cloud.
Which service model should you use?

A. platform as a service (PaaS)

B. infrastructure as a service (IaaS)

C. software as a service (SaaS)

Top comment

Community votes:B · 8 (73%)A · 2 (18%)U · 1 (9%)

Jerem1ah▲ 53Highly votedSelected: BSeptember 08, 2022 12:06 pm

IaaS as you need to install the legacy software.

6 more highly voted comments

hossein7070▲ 26Highly votedAugust 30, 2022 08:18 pm

I assume It should be Paas as it deals with DB

matrixler▲ 18Highly votedSeptember 28, 2022 01:04 pm

i think that's wrong because using PaaS you don't have full control over the operating system and you can't install your "legacy DB". So you need IaaS.

One solution would be to use a new DB within azure - that would be PaaS.

pheonix__85▲ 9Highly votedNovember 11, 2022 04:25 pm

the question indicates that Only the app is migrating to the cloud, at that point nothing suggest that the DB would follow.
so assuming only the app is concerned by the migration to cloud, PaaS is a logic answer

zzMichielzz▲ 9Highly votedOctober 18, 2022 03:01 pm

You have to read this very carefully. It only states that the APP is being moved to the Cloud. There is no indication in this text that the database must be moved or must be installed on a VM as well.

So the APP is PAAS.

(And yes, seperated from this question. A Hybrid Cloud is probably needed)

Hoeishetmogelijk▲ 7Highly votedJanuary 04, 2023 05:15 pm

Actually it must be IAAS because of the legacy database. Legacy software could be implemented on PAAS.

Default858▲ 7Highly votedSeptember 02, 2022 09:46 pm

Iaas is correct. The key word is legacy. You want to be able to install your own database software, so Iaas is the answer.

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