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AWS Certified Cloud Practitioner Study Guide With 500 Practice Test Questions: Foundational (CLF-C02) Exam > 4 - Understanding the AWS Environment > Flashcards

4 - Understanding the AWS Environment Flashcards

1
Q

What defines how AWS services are used for cloud workloads?

A

The way AWS organizes its hardware, networking, and security infrastructure

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2
Q

What are the divisions of Amazon’s globally distributed data centers?

A

Regions and Availability Zones

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3
Q

What is the purpose of AWS edge locations?

A

To extend the network reach of applications through CloudFront, Amazon’s CDN

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4
Q

What are the two frameworks governing the use of AWS resources?

A

AWS Shared Responsibility Model and AWS Acceptable Use Policy

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5
Q

True or False: All AWS resources exist in multiple regions.

A

False

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6
Q

What is the significance of having multiple AWS regions?

A

Provides a wide choice of regions for deploying resources

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7
Q

What is the code for the US West (Oregon) Region?

A

us-west-2

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8
Q

Fill in the blank: AWS regions are divided into _______.

A

Availability Zones

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9
Q

What is the minimum number of Availability Zones in an AWS region?

A

Two

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10
Q

What is an example of a global AWS service?

A

AWS Identity and Access Management (IAM)

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11
Q

What is the endpoint format for accessing an EC2 instance in the us-east-1 region?

A

ec2.us-east-1.amazonaws.com

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12
Q

How are Availability Zones designed in terms of security?

A

Each AZ is independent and built on hardware and power resources used by no other AZ

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13
Q

What does an AWS subnet represent?

A

A single block of Internet Protocol (IP) addresses

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14
Q

What is the total number of available addresses in the 172.16.0.0 to 172.31.255.255 range?

A

1,048,576

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15
Q

True or False: You can launch resources in multiple Availability Zones simultaneously.

A

True

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16
Q

What is the primary purpose of redundancy in AWS?

A

To protect against single points of failure

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17
Q

What is the designation for the first Availability Zone in the us-east-1 region?

A

us-east-1a

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18
Q

What happens if resources are launched in the wrong region?

A

Application components may fail to find each other, causing the application to fail

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19
Q

Fill in the blank: AWS allows up to _______ subnets per Availability Zone.

A

200

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20
Q

What can be a consequence of not understanding the AWS region in which resources are launched?

A

Expensive mistakes or disaster

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21
Q

What is one reason for distributing resources among multiple subnets?

A

To improve application availability and fault tolerance

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22
Q

What is a single point of failure?

A

A resource running without backup.

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23
Q

What is the main protection against failure in server administration?

A

Redundancy.

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24
Q

What does redundancy involve?

A

Provisioning two or more instances of whatever your workload requires.

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25
Why is it important to distribute resources across remote locations?
To protect against events like building-wide blackouts or malicious attacks.
26
What is the benefit of AWS cloud in terms of resource redundancy?
It can be easier and sometimes cheaper to build resilience into cloud infrastructure.
27
What does auto-scaling do?
Replaces or replicates a resource to maintain a predefined service level.
28
What is the purpose of load balancing?
Orchestrates the use of multiple parallel resources to direct user requests.
29
What is an edge location?
A site where AWS deploys physical server infrastructure for low-latency user access.
30
What is CloudFront?
Amazon’s content delivery network (CDN) service.
31
What is the advantage of using CloudFront for media files?
It stores cached copies of popular files close to users for faster access.
32
What types of files are not good candidates for CloudFront caching?
Files that are frequently updated or accessed infrequently.
33
What is Amazon Route 53?
Amazon’s Domain Name System (DNS) administration tool.
34
What does AWS Shield do?
Counters distributed denial-of-service (DDoS) attacks.
35
What is AWS Web Application Firewall (WAF)?
A managed service for protecting web applications from threats.
36
What are regional edge cache locations?
Locations that handle less popular content and can store objects rejected by edge locations.
37
What is AWS Outposts?
A fully managed service that brings AWS infrastructure to on-premises data centers.
38
What are AWS Local Zones designed for?
To provide ultra-low latency access to services in specific geographic areas.
39
What does AWS Wavelength do?
Brings AWS compute and storage services to the 5G cellular network.
40
What does the AWS Shared Responsibility Model distinguish between?
The security and reliability of the cloud (AWS's responsibility) and what’s in the cloud (customer's responsibility).
41
What is an example of a managed service in AWS?
Amazon RDS.
42
What is an example of an unmanaged AWS service?
EC2.
43
What does AWS provide to report service health?
Regularly updated, region-by-region reports on service status.
44
What is the AWS Acceptable Use Policy?
A policy that prohibits the use of AWS infrastructure for illegal, harmful, or offensive activities.
45
What is the function of an AWS region?
Connects at least two availability zones into a low-latency network.
46
What is an availability zone?
A group of one or more independent data centers within a single geographic region.
47
What must you be aware of when executing operations in AWS?
The region currently selected by your interface.
48
What design structure allows building infrastructure in AWS?
Amazon’s global system of regions.
49
Which AWS global resources are not restricted to any one region?
* IAM * CloudFront * S3
50
How do you connect to AWS service instances?
Using their endpoint addresses.
51
What is associated with an EC2 virtual machine instance's IP address?
A network subnet from a single availability zone.
52
What principle can make your infrastructure more resilient?
High availability through parallel redundant instances.
53
What are AWS edge locations?
Globally distributed data servers storing cached copies of AWS-based data.
54
What does AWS Outposts do?
Extends the AWS infrastructure to on-premises environments.
55
What is the AWS Shared Responsibility Model?
Defines what AWS secures and what customers must manage.
56
Why is resource isolation important in cloud deployments?
It improves application security and performance.
57
What role does autoscaling play in AWS deployments?
Automates scaling based on demand.
58
What does a load balancer do in AWS?
Redirects requests from nonfunctioning instances to backups.
59
What does AWS handle in the Shared Responsibility Model?
Security and administration for its physical infrastructure.
60
What can result from using AWS resources for illegal activities?
Account suspension or termination.
61
Fill in the blank: The AWS US West (Oregon) region is referred to as _______.
us-west-2
62
Which AWS region has restricted customer access?
AWS GovCloud
63
When requesting a new EC2 instance, it launches into the selected _______.
Availability zone
64
Which services are not globally based AWS services? (Choose two)
* RDS * EC2
65
What is a valid endpoint for a Relational Database Service instance in Northern Virginia?
rds.us-east-1.amazonaws.com
66
What are the architectural benefits of AWS regions? (Choose two)
* Fault tolerance * Lower latency
67
What is the most effective approach to improve EC2 web server resilience?
Launch parallel, load-balanced instances in multiple availability zones.
68
What defines an AWS availability zone?
One or more independently powered data centers.
69
What does a subnet in AWS represent?
The block of IP addresses assigned for use within a single availability zone.
70
What determines the order of subnets/AZ options in EC2 configuration?
By order of capacity.
71
What is the primary goal of autoscaling?
Maintain a predefined service level regardless of demand.
72
Which design strategy is most effective for cloud application reliability?
Resource redundancy
73
Which AWS services are not likely to benefit from Amazon edge locations? (Choose two)
* RDS * Elastic Block Store (EBS)
74
What is the primary benefit of using CloudFront distributions?
Reduced latency access to content.
75
What is the main purpose of Amazon Route 53?
Managing domain name registration and traffic routing.
76
According to the AWS Shared Responsibility Model, which are AWS's responsibilities? (Choose two)
* The security of the cloud * Patching underlying virtualization software
77
What defines the status of software in an AWS managed service?
AWS manages everything associated with the service.
78
Where should you look first when troubleshooting a failing application?
Service Health Dashboard
79
Where can you find AWS resource usage limits?
AWS Acceptable Use Policy

AWS Certified Cloud Practitioner Study Guide With 500 Practice Test Questions: Foundational (CLF-C02) Exam (13 decks)

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