AZ-900 COURSE #1 TEST Flashcards

1
Q

What is the cloud described as in the context of computing services?

a) A physical data center
b) The on-demand delivery of computer services over the internet
c) A type of software
d) A private network

A

b) The on-demand delivery of computer services over the internet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following is NOT a type of service offered through cloud computing?

a) Compute
b) Networking
c) Manufacturing
d) Storage

A

c) Manufacturing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

According to the shared responsibility model, who is always responsible for the physical assets like the physical host?

a) The cloud provider
b) The customer
c) Both the cloud provider and the customer
d) Neither the cloud provider nor the customer

A

a) The cloud provider

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Who is always responsible for information and data, device security, and accounts and identities according to the shared responsibility model?

a) The cloud provider
b) The customer
c) Both the cloud provider and the customer
d) Neither the cloud provider nor the customer

A

b) The customer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which cloud model is most similar to an on-premises data center?

a) Public cloud
b) Private cloud
c) Hybrid cloud
d) Community cloud

A

b) Private cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following is a characteristic of a public cloud?

a) It is only available to a specific business
b) It requires a lot of upfront costs and maintenance
c) It is available to everyone
d) It is ideal for maximum security and privacy

A

c) It is available to everyone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which cloud model is described as combining the best of both private and public clouds?

a) Private cloud
b) Public cloud
c) Hybrid cloud
d) Community cloud

A

c) Hybrid cloud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does CapEx refer to in the context of expense models?

a) Pay-as-you-go expenses
b) Large, upfront investments
c) Operational expenses
d) Cloud expenses

A

b) Large, upfront investments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which expense model is also referred to as the consumption model?

a) Operational expenditure (OpEx)
b) Capital expenditure (CapEx)
c) Both CapEx and OpEx
d) Neither CapEx nor OpEx

A

a) Operational expenditure (OpEx)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is a key difference between OpEx and CapEx?

a) CapEx is pay-as-you-go and OpEx is upfront investments
b) CapEx is used for cloud services and OpEx for on-premises services
c) OpEx is a pay-as-you-go structure whereas CapEx is a large upfront investment
d) Both are similar and have the same payment structures

A

c) OpEx is a pay-as-you-go structure whereas CapEx is a large upfront investment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Which cloud service type is best described as managed infrastructure, often involving virtual machines?

a) Platform as a Service (PaaS)
b) Software as a Service (SaaS)
c) Infrastructure as a Service (IaaS)
d) Serverless

A

c) Infrastructure as a Service (IaaS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a key characteristic of Infrastructure as a Service (IaaS)?

a) It offers the least amount of control and flexibility.
b) The cloud vendor manages the operating system.
c) You directly manage virtual machines and their operating systems.
d) It is ready-to-go software.

A

c) You directly manage virtual machines and their operating systems.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which cloud service type is defined as a fully managed cloud solution?

a) Platform as a Service (PaaS)
b) Infrastructure as a Service (IaaS)
c) Software as a Service (SaaS)
d) Serverless

A

a) Platform as a Service (PaaS)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What does a cloud vendor manage in a Platform as a Service (PaaS) model?

a) User-facing applications.
b) Underlying infrastructure, including virtual machines and operating system updates.
c) Only physical security.
d) Access to virtual machines.

A

b) Underlying infrastructure, including virtual machines and operating system updates.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is a subset of Platform as a Service (PaaS) where you don’t manage resources or infrastructure?

a) Infrastructure as a Service (IaaS)
b) Software as a Service (SaaS)
c) Serverless
d) Virtual Machines

A

c) Serverless

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which cloud service type offers the least management responsibility for the user?

a) Infrastructure as a Service (IaaS)
b) Platform as a Service (PaaS)
c) Software as a Service (SaaS)
d) Serverless

A

c) Software as a Service (SaaS)

17
Q

What is a typical pricing model for Software as a Service (SaaS)?

a) Pay-per-use based on virtual machine utilization.
b) A one-time license fee.
c) Subscription-based, with monthly or yearly fees.
d) Based on resource allocation.

A

c) Subscription-based, with monthly or yearly fees.

18
Q

According to the source, what is the most precious resource that defense in depth is meant to protect?

a) Virtual machines
b) Underlying infrastructure
c) Data
d) Software

19
Q

Who is always responsible for handling the physical security in cloud services?

a) The cloud vendor
b) The customer
c) The user of the SaaS application
d) Depends on the layer of defense

A

a) The cloud vendor

20
Q

What are Software as a Service (SaaS) applications often used for?

a) Managing virtual machines
b) Developing applications
c) Productivity and specialized use cases
d) Underlying infrastructure management.

A

c) Productivity and specialized use cases

21
Q

Which of the following is a broad theme applicable to many cloud benefits?

a) Manual resource allocation
b) Automation plus instantly available resources
c) Centralized infrastructure
d) Limited resource distribution

A

b) Automation plus instantly available resources

22
Q

What does the concept of decentralizing critical infrastructure in the cloud enable?

a) Increased downtime
b) Limited resource distribution
c) The ability to distribute resources globally and failover automatically
d) Dependence on a single location

A

c) The ability to distribute resources globally and failover automatically

23
Q

According to the source, what does high availability primarily mean?

a) Resources are scaled manually
b) Systems are always available, even automatically
c) Performance is not guaranteed
d) Security is compromised

A

b) Systems are always available, even automatically

24
Q

What does scalability refer to in the context of cloud computing?

a) Scaling out (horizontally) or scaling up (vertically), providing resources as needed
b) Manual scaling of resources based on traffic
c) Static resource allocation
d) Limiting resource availability

A

a) Scaling out (horizontally) or scaling up (vertically), providing resources as needed

25
Q

According to the source, what does reliability describe?

a) How often an application meets its minimum performance level
b) How well Azure and its deployed resources tolerate failures or disasters
c) The cost of running an application
d) How predictable an application’s performance is

A

b) How well Azure and its deployed resources tolerate failures or disasters

26
Q

What is the key aspect of predictability as it relates to cloud benefits?

a) Only knowing the cost now
b) Knowing that your application will perform at a minimum level and knowing its cost, both now and in the future
c) Performance varies depending on traffic
d) Unknown future costs

A

b) Knowing that your application will perform at a minimum level and knowing its cost, both now and in the future

27
Q

What does the benefit of security provide in the cloud?

a) Limited control
b) Full control, including your chosen level of control over your cloud security posture
c) Only provider security
d) No control

A

b) Full control, including your chosen level of control over your cloud security posture

28
Q

According to the source, what is the main function of governance in the cloud?

a) Standardizing cloud deployments and enforcing standards
b) Avoiding regulations
c) Limiting control
d) Limiting standardization

A

a) Standardizing cloud deployments and enforcing standards

29
Q

What is the main advantage of management in the cloud?

a) Manual resource control
b) Limited interaction with cloud resources
c) Tools to automatically control cloud resources and interact with them via various methods
d) Resource limitations

A

c) Tools to automatically control cloud resources and interact with them via various methods

30
Q

What is a challenge when defining cloud benefits?

a) Overlap between many of the cloud benefits
b) All of them have very specific definitions
c) There is no overlap in benefits
d) They are easy to understand

A

a) Overlap between many of the cloud benefits