AWSCertifiedCloudPractitioner2019Practic.epub - (EPUB全文下载)

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Question 1
Which AWS services can be used to store files?  Choose 2 answers from the options given below             
A. Amazon CloudWatch 
B. Amazon Simple Storage Service (Amazon S3)
C. Amazon Elastic Block Store (Amazon EBS)
D. AWS Config
E. Amazon Athena
Answer: B, C
The AWS documentation mentions the following Amazon S3 is object storage built to store and retrieve any amount of data from anywhere – web sites and mobile apps, corporate applications, and data from IoT sensors or devices. It is designed to deliver 99.999999999% durability, and stores data for millions of applications used by market leaders in every industry.  For more information on the Simple Storage Service, please refer to the below URL: https://aws.amazon.com/s3/ Amazon Elastic Block Store (Amazon EBS) provides persistent block storage volumes for use with Amazon EC2 instances in the AWS Cloud. Each Amazon EBS volume is automatically replicated within its Availability Zone to protect you from component failure, offering high availability and durability. For more information on Amazon EBS, please refer to the below URL: https://aws.amazon.com/ebs/             
 
Question 2
Which of the following services uses AWS edge locations?
A. Amazon Virtual Private Cloud (Amazon VPC) 
B. Amazon CloudFront
C. Amazon Elastic Compute Cloud (Amazon EC2)
D. AWS Storage Gateway
Answer: B
The AWS documentation mentions the following Amazon CloudFront is a web service that speeds up distribution of your static and dynamic web content, such as .html, .css, .js, and image files, to your users. CloudFront delivers your content through a worldwide network of data centers called edge locations. For more information on Amazon Cloudfront, please refer to the below URL: http://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/Introduction.html                
 
Question 3
Which of the following is a benefit of Amazon Elastic Compute Cloud (Amazon EC2) over physical servers?             
A. Automated backup
B. Paying only for what you use
C. The ability to choose hardware vendors
D. Root /administrator access
Answer: B
One of the advantages of EC2 Instances is the per second billing concept. This is given in the AWS documentation also With per-second billing, you pay for only what you use. It takes cost of unused minutes and seconds in an hour off of the bill, so you can focus on improving your applications instead of maximizing usage to the hour. Especially, if you manage instances running for irregul ............

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