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2020 AWS > Questions > Flashcards

Questions Flashcards

1
Q 
A company is planning to use AWS to host critical resources. Most of their systems are business critical and need to have response times less than 15 minutes. Which of the following support plans should they consider?
A. Basic   
B.Developer   
C.Business   
D.Enterprise
A

D.Enterprise

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2
Q

Which are free services?(choose 2)
A.Amazon DynamoDB
B.AWS Identity and Access Management (IAM)
C.Amazon Elastic Compute Cloud (Amazon EC2)
D.Amazon VPC

A

B.AWS Identity and Access Management (IAM)

D.Amazon VPC

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3
Q 
Which are the characteristic advantages of AWS?(choose 2)
A.pay-as-you-go.    
B.charge per minute
C.for free                 
D.on-demand
A

A.pay-as-you-go

D.on-demand

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4
Q 
Which ways can interact with AWS?(choose 3)
A.Software Development Kits (SDKs)
B.Amazon Elastic Block Store (EBS)
C.Command Line Interface (AWS CLI)
D.AWS Management Console
A

A.Software Development Kits (SDKs)
C.Command Line Interface (AWS CLI)
D.AWS Management Console

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5
Q

The Cost Explorer is a single location for accessing comprehensive information about your AWS costs and usage.
A.No
B.yes

A

A.No

AWS Cost and Usage Report

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6
Q

AWS Budgets uses the cost visualization that is provided by Cost Explorer to show you the status of your budgets and to provide forecasts of your estimated costs.
A.yes
B.No

A

A.Yes

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7
Q

With “BILLS”, you can visualize, understand, and manage your AWS costs and usage over time.
A.yes
B.No

A

B.No

Cost Explorer

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8
Q

The AWS Bills page lists the costs that you incurred over the past month for each AWS service, with a further breakdown by AWS Region and linked account.
A.No
B.yes

A

B.Yes

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9
Q

Which are the benefits of using AWS?(choose 5)
A.increase on-premises cost
B.go global in minutes
C.stop guessing capacity
D.stop spending money on running and maintaining data centers
E.focus on your own design
F.increase speed and agility

A 
B.go global in minutes
C.stop guessing capacity
D.stop spending money on running and maintaining data centers
E.focus on your own design
F.increase speed and agility
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10
Q

Why we use TCO?(choose 2)
A.to compare the costs of running an entire infrastructure environment or specific workload on-premises versus on AWS
B.to backup and restore, and in-memory caching for internet-scale applications
C.to place your backend systems in a private-facing subnet with no internet access
D.To budget and build the business case for moving to the cloud

A

A.to compare the costs of running an entire infrastructure environment or specific workload on-premises versus on AWS
D.To budget and build the business case for moving to the cloud

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11
Q

Which are the key features and benefits of AWS Organizations?(choose 4)
A.Policy-based account management
B.Consolidated billing
C.IAM management
D.Application programming interfaces (APIs) that automate account management
E.Group based account management

A

A.Policy-based account management
B.Consolidated billing
D.Application programming interfaces (APIs) that automate account management
E.Group based account management

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12
Q

Virtual servers such as EC2 instances are examples of services delivered under which cloud model?
A.PaaS B.DBaaS
C.IaaS D.SaaS

A

C.IaaS

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13
Q

please write down at least 4 reasons why “Cloud” is better than On-premises?

A
  1. No upfront expense-pay for what you use
  2. Improve time to market and agility
  3. scale up and down
  4. Self-service infrastructure
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14
Q 
Which of the options below are recommendations in the reliability pillar of the well-architected framework? (choose 2)
A.Scale vertically using big systems
B.Manually recover from failure
C.Test recovery procedures
D.Manage change in manual processes
E.Stop guessing about capacity
A

C.Test recovery procedures

E.Stop guessing about capacity

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15
Q 
You would like to collect custom metrics from a production application every 1 minute. What type of monitoring should you use?
A.CloudTrail with basic monitoring
B.CloudTrail with detailed monitoring
C.CloudWatch with detailed monitoring
D.CloudWatch with basic monitoring
A

C.CloudWatch with detailed monitoring

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16
Q 
Under the shared responsibility model, what are examples of shared controls? (choose 2)
A.Physical and environmental
B.Storage System patching
C.Configuration management
D.Service and Communications Protection
E.Patch Management
A

C.Configuration management

E.Patch Management

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17
Q 
What is the most cost-effective support plan that should be selected to provide at least a 1-hour response time for a production system failure? 
A.Business
B.Enterprise
C.Developer
D.Basic
A

A.Business

18
Q 
An architect needs to compare the cost of deploying an on-premise web server and an EC2 instance on the AWS cloud. Which tool can be used to assist the architect?   
A.AWS Simple Monthly Calculator
B.AWS TCO Calculator
C.AWS Cost Explorer
D.AWS Budgets
A

B.AWS TCO Calculator

19
Q

Which of the below are good use cases for a specific Amazon EC2 pricing model? (choose 2)
A.Reserved instances for steady state predictable usage
B.On-demand for ad-hoc requirements that cannot be interrupted
C.Spot for consistent load over a long term
D.On-demand for regulatory requirements that do not allow multi-tenant virtualization
E.Reserved instances for applications with flexible start and end times

A

A.Reserved instances for steady state predictable usage

B.On-demand for ad-hoc requirements that cannot be interrupted

20
Q 
What is the most cost-effective EC2 pricing option to use for a non-critical overnight workload? 
A.Dedicated Host
B.Spot
C.On-Demand
D.Reserved
A

B.Spot

21
Q 
You would like to collect custom metrics from a production application every 1 minute. What type of monitoring should you use?
A.CloudTrail with detailed monitoring
B.CloudWatch with detailed monitoring
C.CloudWatch with basic monitoring
D.CloudTrail with basic monitoring
A

B.CloudWatch with detailed monitoring

22
Q 
How can an organization compare the cost of running applications in an on-premise or colocation environment against the AWS cloud?  
A.AWS Cost Explorer
B.AWS Simple Monthly Calculator
C.AWS Budgets
D.TCO Calculator
A

D.TCO Calculator

23
Q

Which statement is correct in relation to the AWS Shared Responsibility Model?
A.AWS are responsible for encrypting customer data
B.AWS are responsible for the security of regions and availability zones
C.Customers are responsible for patching storage systems
D.Customers are responsible for security of the cloud

A

B.AWS are responsible for the security of regions and availability zones

24
Q

What are two examples of the advantages of cloud computing? (choose 2)
A.Trade variable expense for capital expense
B.Trade operating costs for capital costs
C.Secure data centers
D.Increase speed and agility
E.Benefit from massive economies of scale

A

D.Increase speed and agility

E.Benefit from massive economies of scale

25
Q 
What is the AWS customer responsible for according to the AWS shared responsibility model?
A.Environmental risk management
B.Secure disposal of storage devices
C.Data encryption
D.Physical access controls
A

C.Data encryption

26
Q 
What do Amazon S3 objects consist of ? (choose 2)
A.Key
B.ARN
C.Userdata
D.AMI
E.Value
A

A.Key

E.Value

27
Q 
Which feature can you use to grant read/write access to an Amazon S3 bucket?
A.IAM Group
B.IAM Role
C.IAM Users
D.IAM Policy
A

D.IAM Policy

28
Q 
Which type of EBS volume should you choose for an application that requires 200,000 IOPS from a single volume?
A.General Purpose SSD
B.Throughput Optimized HDD
C.Provisioned IOPS SSD
D.Cold HDD
A

C.Provisioned IOPS SSD

29
Q 
What are the fundamental charges for Elastic Block Store (EBS) volumes? (choose 2)
A.Inbound data transfer
B.The amount of data storage provisioned
C.Provisioned IOPS
D.Number of snapshots
E.The amount of data storage consumed
A

B.The amount of data storage provisioned

C.Provisioned IOPS

30
Q 
What is the most cost-effective Amazon S3 storage tier for data that is not often accessed but requires high durability?
A.Amazon S3 One zone-IA
B.Amazon EBS
C.Amazon S3 Standard-IA
D.Amazon S3 standard
A

C.Amazon S3 Standard-IA

31
Q 
Which AWS service can be used to host a static website?
A.Amazon S3
B.Amazon EBS
C.Amazon EFS
D.AWS Lambda
A

A.Amazon S3

32
Q 
What are two components of Amazon S3? (choose 2)
A.File systems
B.Buckets
C.Directories
D.Block devices
E.Objects
A

B.Buckets

E.Objects

33
Q 
What type of storage is provided by Amazon EBS?
A.Object
B.File
C.Relational
D.Block
A

D.Block

34
Q

What is the difference between an EBS volume and an Instance store?
A.EBS volumes are object storage devices whereas instance store volume are block based
B.EBS volumes are file-level-storage devices whereas Instance store volumes are object-based
C.Instance store volumes can be used with all EC2 instance types whereas EBS cannot
D.Instance store volumes are ephemeral whereas EBS volumes are persistent storage

A

D.Instance store volumes are ephemeral whereas EBS volumes are persistent storage

35
Q 
Which services are managed at a regional (rather than global) level? (choose 2)
A.Amazon Route 53
B.AWS IAM
C.Amazon CloudFront
D.Amazon S3
E.Amazon EC2
A

D.Amazon S3

E.Amazon EC2

36
Q 
What do Amazon S3 objects consist of ? (choose 2)
A.ARN
B.AMI
C.Userdata
D.Key
E.Value
A 
D.Key
E.Value
Key 
Version ID 
Value
Metadata 
Subresources 
Access Control Information
37
Q 
Which AWS service should be used for long-term, low-cost storage of data backups?
A.AWS Snowball
B.Amazon RDS
C.AWS EBS
D.Amazon Glacier
A 
D.Amazon Glacier
Explanation Amazon S3 Glacier is a secure, durable, and low-cost storage class of S3 for data archiving and long-term backup. Customers can store large or small amounts of data for as little as $0.004 per gigabyte per month. The S3 Glacier storage class is ideal for archives where data is regularly retrieved and some of the data may be needed in minutes. Amazon RDS is a relational database service that hosts databases. It helps you create and manage databases. Amazon Snowball is a petabyte-scale data transfer service that provides cost efficient data transfer to AWS from tamper proof physical devices. Similarly, Elastic block storage offers persistent block storage volumes for EC2 instances.
38
Q

When designing a VPC, what is the purpose of an Internet Gateway?
A.It’s used for making VPN connections to a VPC
B.Enables Internet communications for instances in public subnets
C.Provides Internet access for EC2 instances in private subnets
D.It’s a bastion host for inbound management connections

A

B.Enables Internet communications for instances in public subnets

39
Q 
You need to connect your company’s on-premise network into AWS and would like to establish an AWS managed VPN service. Which of the following configuration items needs to be setup on the Amazon VPC side of the connection?
A.A Customer Gateway
B.A Virtual Private Gateway
C.A Network Address Translation device
D.A Firewall
A

B.A Virtual Private Gateway

40
Q

What is the scope of an Amazon Virtual Private Cloud (VPC)?
A.It spans all Availability Zones within a region
B.It spans multiple subnets
C.It spans all Availability Zones in all regions
D.It spans a single CIDR block

A

A.It spans all Availability Zones within a region

41
Q 
What is an Edge location?
A.A virtual private gateway for VPN
B.A VPC peering connection endpoint
C.A content delivery network (CDN) endpoint for CloudFront
D.A public endpoint for Amazon S3
A

C.A content delivery network (CDN) endpoint for CloudFront

42
Q 
Which AWS service allows companies to connect an Amazon VPC to an on-premises data center?
A.AWS VPN
B.Amazon Redshift
C.API Gateway
D.Amazon Direct Connect
A

D.Amazon Direct Connect

2020 AWS (1 decks)

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