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So for this challenge, we're being presented with a series of questions about

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cloud computing

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that we're asked to answer.

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So let's go through these questions one by one.

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The first question here from the cloud computing fundamental section is

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according to NIST.

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What are the essential characteristics of cloud computing?
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What are the essential characteristics of cloud computing?

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So let's go over our answers.

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The first answer says centralized resource control, infrequent elasticity,

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broad network

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access, and unmeasured service.

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Some parts of that answer are correct, but some of them are not.

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So this would not be a correct answer.

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Next we have constant physical upgrades that's already making it not true,

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limited resource

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availability, not at all, manual resource management.
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availability, not at all, manual resource management.

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Nope, we're supposed to have automation.

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So this is all clearly an incorrect answer as well.

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Next we have on demand service, broad network access, resource pooling, rapid

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elasticity,

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and it's a measured service.

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Now all of those sound good, but since we only have one answer, let's check our

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last

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answer, see if it's better.
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answer, see if it's better.

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Single tenancy.

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I don't think most cloud providers would last long if they only supported one

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tenant.

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Fixed scalability.

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No, we discussed that we can scale this.

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Broad user access would probably be correct on premises service.

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Well, not for the customer, but for the service provider.

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So I would say that this is pretty much an incorrect answer as well, which

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would make

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this answer on demand self service, broad network access, resource pooling,
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this answer on demand self service, broad network access, resource pooling,

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rapid elasticity,

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and measured service, our best answer.

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Our next question here is from cloud deployment models.

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Which of the following statements accurately describes characteristics of

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public and private

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clouds?

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So again, let's go down our list.

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Public clouds are known for their limited scalability.

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What we could actually stop right there.

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They're not known for their limited scalability.

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So we could read the rest of this answer, but it's clearly incorrect.
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So we could read the rest of this answer, but it's clearly incorrect.

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Public clouds are owned and operated by a single organization where private

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clouds are shared

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among multiple organizations.

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Well, that answer is just completely backwards.

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Obviously, the public clouds are shared by everybody and the private clouds are

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from

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a single organization.

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Public clouds are exclusively hosted on premises.

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And again, this is referring to the customer's premises.
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And again, this is referring to the customer's premises.

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So that's incorrect.

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While private clouds leverage external providers for hosting and infrastructure

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.

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Now, we did mention that private clouds could technically be hosted offsite,

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but given the

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spirit of the question and the answer, I don't think that's what they're

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looking for.

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But let's look at our last answer.

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Public clouds are typically more cost effective than private clouds due to

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shared infrastructure

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where private clouds offer greater control and customization.
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where private clouds offer greater control and customization.

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So given that answer, that clearly sounds like the correct answer.

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So I would go ahead and mark this one as incorrect, making this answer our

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correct answer.

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Public clouds are typically more cost effective than private clouds due to the

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shared infrastructure.

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We talked about that.

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And private clouds do offer greater control and customization because you have,

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of course,

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complete control over it as you own it.
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complete control over it as you own it.

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Our final question here comes from the more cloud deployment models section.

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And the question is, what does the term multi cloud refer to?

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So let's look over our answers.

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A cloud service that is accessible from multiple devices sounds clever because

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it has the word

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multiple in it.

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However, I would hope that any cloud service is available for multiple devices.

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So I would say that that would be an incorrect answer.
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So I would say that that would be an incorrect answer.

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First, is the process of deploying a single application across multiple data

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centers.

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Well my issue there is the term data centers.

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I'm not completely against that answer, but let's look at the other ones and

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see if they're

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better.

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The use of multiple cloud services or platforms to meet specific business needs

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.

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That sounds like a really good answer.

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It's multiple cloud services.

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Not necessarily multiple data centers.
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Not necessarily multiple data centers.

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So I would go ahead and mark this one off as an incorrect answer because the

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third answer

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in this case is a better answer.

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Now before we mark that, let's look at the last answer in case it's even better

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.

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A cloud architecture that relies on a single cloud provider for all services.

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Well clearly that one's not going to be correct.

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We wouldn't be calling it multi-cloud if it was a single cloud provider.
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We wouldn't be calling it multi-cloud if it was a single cloud provider.

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So that one is clearly an incorrect answer.

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So I would say that that makes this answer our best for this particular

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question.

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So hopefully you were able to answer these questions correctly.

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If not, I would encourage you to go back and review the reference sections and

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try to

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get a clearer understanding.

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Otherwise that concludes this quiz and therefore this skill.

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So congratulations on completing introduction to cloud computing.
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So congratulations on completing introduction to cloud computing.

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I hope this has been informative for you and I'd like to thank you for viewing.