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DOP-C01 PDF DEMO:

QUESTION NO: 1
During metric analysis, your team has determined that the company's website during peak hours is experiencing response times higher than anticipated. You currently rely on Auto Scaling to make sure that you are scaling your environment during peak windows. How can you improve your
Auto Scaling policy to reduce this high response time? Choose 2 answers.
A. Create a script that runs and monitors your servers; when it detects an anomaly in load, it posts to an Amazon SNS topic that triggers Elastic Load Balancing to add more servers to the load balancer.
B. IncreaseyourAutoScalinggroup'snumberofmaxservers.
C. Push custom metrics to CloudWatch to monitor your CPU and network bandwidth from your servers, which will allow your Auto Scaling policy to have betterfine-grain insight.
D. Push custom metrics to CloudWatch for your application that include more detailed information about your web application, such as how many requests it is handling and how many are waiting to be processed.
Answer: B,D
Explanation
Option B makes sense because maybe the max servers is low hence the application cannot handle the peak load.
Option D helps in ensuring Autoscaling can scale the group on the right metrics.
For more information on Autoscaling health checks, please refer to the below document link: from
AWS
* http://docs.aws.amazon.com/autoscaling/latest/userguide/healthcheck.html

QUESTION NO: 2
The Security team depends on AWS CloudTrail to detect sensitive security issues in the company's AWS account. The DevOps Engineer needs a solution to auto-remediate CloudTrail being turned off in an AWS account.
What solution ensures the LEAST amount of downtime for the CloudTrail log deliveries?
A. Launch a t2.nano instance with a script running every 5 minutes that uses the AWS SDK to query
CloudTrail in the current account. If the CloudTrail trail is disabled, have the script re-enable the trail.
B. Create an Amazon CloudWatch Events rule for a scheduled event every 5 minutes. Create an AWS
Lambda function that uses the AWS SDK to call StartLogging on an CloudTrail trail in the AWS account. Add the Lambda function ARN as a target to the CloudWatch Events rule.
C. Deploy the AWS-managed CloudTrail-enabled AWS Config rule, set with a periodic interval of 1 hour.
Create an Amazon CloudWatch Events rule for AWS Config rules compliance change. Create an AWS
Lambda function that uses the AWS SDK to call StartLogging on the ARN of the resource in which
StopLogging was called. Add the Lambda function ARN as a target to the CloudWatch Events rule.
D. Create an Amazon CloudWatch Events rule for the CloudTrail StopLogging event. Create an AWS
Lambda function that uses the AWS SDK to call StartLogging on the ARN of the resource in which
StopLogging was called. Add the Lambda function ARN as a target to the CloudWatch Events rule.
Answer: D

QUESTION NO: 3
You have an ELB setup in AWS with EC2 instances running behind it. You have been requested to monitor the incoming connections to the ELB. Which of the below options can suffice this requirement?
A. Create a custom metric CloudWatch filter on your load balancer
B. Enable access logs on the load balancer
C. UseAWSCIoudTrail with your load balancer
D. Use a CloudWatch Logs Agent
Answer: B
Explanation
Clastic Load Balancing provides access logs that capture detailed information about requests sent to your load balancer. Cach log contains information such as the time the request was received, the client's IP address, latencies, request paths, and server responses. You can use these access logs to analyze traffic patterns and to troubleshoot issues.
Option A is invalid because this service will monitor all AWS services
Option C and D are invalid since CLB already provides a logging feature.
For more information on ELB access logs, please refer to the below document link: from AWS
* http://docs.aws.amazon.com/elasticloadbalancing/latest/classic/access-log-collection.html

QUESTION NO: 4
You currently have the following setup in AWS
1) An Elastic Load Balancer
2) Auto Scaling Group which launches EC2 Instances
3) AMIs with your code pre-installed
You want to deploy the updates of your app to only a certain number of users. You want to have a cost-effective solution. You should also be able to revert back quickly. Which of the below solutions is the most feasible one?
A. Redeploy with AWS Elastic Beanstalk and Elastic Beanstalk versions. Use Route 53 Weighted
Round Robin records to adjust the proportion of traffic hitting the two ELBs
B. Create new AM Is with the new app. Then use the new EC2 instances in half proportion to the older instances.
C. Create a second ELB, and a new Auto Scaling Group assigned a new Launch Configuration. Create a new AMI with the updated app. Use Route53 Weighted Round Robin records to adjust the proportion of traffic hitting the two ELBs.
D. Create a full second stack of instances, cut the DNS over to the new stack of instances, and change the DNS back if a rollback is needed.
Answer: C
Explanation
The Weighted Routing policy of Route53 can be used to direct a proportion of traffic to your application. The best option is to create a second CLB, attach the new Autoscaling Group and then use Route53 to divert the traffic.
Option B is wrong because just having EC2 instances running with the new code will not help.
Option C is wrong because Clastic beanstalk is good for development environments, and also there is no mention of having 2 environments where environment url's can be swapped.
Option D is wrong because you still need Route53 to split the traffic.
For more information on Route53 routing policies, please refer to the below link:
* http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/routing-policy.html

QUESTION NO: 5
You are a DevOps engineer for a company. You have been requested to create a rolling deployment solution that is cost-effective with minimal downtime. How should you achieve this?
Choose two answers from the options below
A. Use UpdatePolicy attribute to specify how CloudFormation handles updates to Auto Scaling Group resource.
B. After each stack is deployed, tear down the old stack
C. Re-deploy your application using a CloudFormation template to deploy Elastic Beanstalk
D. Re-deploy with a CloudFormation template, define update policies on Auto Scalinggroups in your
CloudFormation template
Answer: A,D
Explanation
The AWS::AutoScaling::AutoScalingGroup resource supports an UpdatePolicy attribute. This is used to define how an Auto Scalinggroup resource is updated when an update to the Cloud Formation stack occurs. A common approach to updating an Auto Scaling group is to perform a rolling update, which is done by specifying the AutoScalingRollingUpdate policy. This retains the same Auto Scalinggroup and replaces old instances with new ones, according to the parameters specified.
Option A is invalid because it is not efficient to use Cloudformation to use Clastic Beanstalk.
Option D is invalid because this is an inefficient process to tear down stacks when there are stack policies available For more information on Autoscaling Rolling Updates please refer to the below link:
* https://aws.amazon.com/premiumsupport/knowledge-center/auto-scaling-group-rolling-updates/

Adobe AD0-E202 - すべてのことの目的はあなたに安心に試験に準備さされるということです。 Microsoft DP-200 - 合格書を持ち方が持たない人により高い給料をもうけられます。 Oracle 1Z0-888 - 試験に失敗したら、全額で返金する承諾があります。 Google Professional-Data-Engineer - 一目でわかる最新の出題傾向でわかりやすい解説と充実の補充問題があります。 Splunk SPLK-2002 - すべては豊富な内容があって各自のメリットを持っています。

Updated: Oct 21, 2019

DOP-C01日本語試験情報 & DOP-C01無料模擬試験 - DOP-C01専門試験

PDF問題と解答

試験コード:DOP-C01
試験名称:AWS Certified DevOps Engineer - Professional
最近更新時間:2019-10-22
問題と解答:全 136
Amazon DOP-C01 関連試験

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模擬試験

試験コード:DOP-C01
試験名称:AWS Certified DevOps Engineer - Professional
最近更新時間:2019-10-22
問題と解答:全 136
Amazon DOP-C01 受験方法

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オンライン版

試験コード:DOP-C01
試験名称:AWS Certified DevOps Engineer - Professional
最近更新時間:2019-10-22
問題と解答:全 136
Amazon DOP-C01 トレーリングサンプル

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DOP-C01 テキスト