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최신 AWS Certified Solutions Architect AWS-Solutions-Architect-Professional 무료샘플문제 (Q239-Q244):

질문 # 239
A company runs a legacy system on a single m4.2xlarge Amazon EC2 instance with Amazon EBS2 storage.
The EC2 instance runs both the web server and a self-managed Oracle database. A snapshot is made of the EBS volume every 12 hours, and an AMI was created from the fully configured EC2 instance.
A recent event that terminated the EC2 instance led to several hours of downtime. The application was successfully launched from the AMI, but the age of the EBS snapshot and the repair of the database resulted in the loss of 8 hours of data. The system was also down for 4 hours while the Systems Operators manually performed these processes.
What architectural changes will minimize downtime and reduce the chance of lost data?

A. Increase the web server instance count to two m4.xlarge instances and use Amazon Route 53 round-robin load balancing to spread the load. Enable Route 53 health checks on the web servers.
Migrate the database to an Amazon RDS Oracle Multi-AZ DB instance.
B. Create an Amazon CloudWatch alarm to automatically recover the instance. Create a script that will check and repair the database upon reboot. Subscribe the Operations team to the Amazon SNS message generated by the CloudWatch alarm.
C. Run the application on m4.2xlarge EC2 instances behind an Elastic Load Balancer/Application Load Balancer. Run the EC2 instances in an Auto Scaling group across multiple Availability Zones with a minimum instance count of one. Migrate the database to an Amazon RDS Oracle Multi-AZ DB instance.
D. Run the application on m4.xlarge EC2 instances behind an Elastic Load Balancer/Application Load Balancer. Run the EC2 instances in an Auto Scaling group across multiple Availability Zones with a minimum instance count of two. Migrate the database to an Amazon RDS Oracle Multi-AZ DB instance.

정답：D

설명：
Explanation
Ensures that there are at least two EC instances, each of which is in a different AZ. It also ensures that the database spans multiple AZs. Hence this meets all the criteria.
https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/routing-policy.html

질문 # 240
You are playing around with setting up stacks using JSON templates in CloudFormation to try and understand them a little better. You have set up about 5 or 6 but now start to wonder if you are being charged for these stacks. What is AWS's billing policy regarding stack resources?

A. You are charged for the stack resources for the time they were operating (but not if you deleted the stack within 60 minutes)
B. You are not charged for the stack resources if they are not taking any traffic.
C. You are charged for the stack resources for the time they were operating (even if you deleted the stack right away)
D. You are charged for the stack resources for the time they were operating (but not if you deleted the stack within 30 minutes)

정답：C

설명：
A stack is a collection of AWS resources that you can manage as a single unit. In other words, you can create, update, or delete a collection of resources by creating, updating, or deleting stacks. All the resources in a stack are defined by the stack's AWS CloudFormation template. A stack, for instance, can include all the resources required to run a web application, such as a web server, a database, and networking rules. If you no longer require that web application, you can simply delete the stack, and all of its related resources are deleted. You are charged for the stack resources for the time they were operating (even if you deleted the stack right away).
http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/stacks.html

질문 # 241
A company's AWS architecture currently uses access keys and secret access keys stored on each instance to access AWS services Database credentials are nard-coded on each instance SSH keys for command-line remote access are stored to a secured Amazon S3 bucket The company has asked its solutions architect to improve the security posture of me architecture without adding operational complexity Which combination of steps should the solutions architect take to accomplish this? (Select THREE )

A. Use AWS Systems Manager Session Manager for remote access
B. Use AWS Secrets Manager to store access keys and secret access keys
C. Use Amazon EC2 instance profiles with an IAM role
D. Use AWS KMS lo store database credentials
E. Use AWS Systems Manager Parameter Store to store database credentials
F. Use a secure fleet of Amazon EC2 bastion hosts tor remote access

정답：A,C,E

질문 # 242
You are implementing a URL whitelisting system for a company that wants to restrict outbound HTTP'S connections to specific domains from their EC2-hosted applications. You deploy a single EC2 instance running proxy software and configure It to accept traffic from all subnets and EC2 instances in the VPC. You configure the proxy to only pass through traffic to domains that you define in its whitelist configuration. You have a nightly maintenance window or 10 minutes where all instances fetch new software updates. Each update Is about 200MB In size and there are 500 instances In the VPC that routinely fetch updates. After a few days you notice that some machines are failing to successfully download some, but not all of their updates within the maintenance window. The download URLs used for these updates are correctly listed in the proxy's whitelist configuration and you are able to access them manually using a web browser on the instances.
What might be happening? (Choose 2)

A. You are running the proxy on a sufficiently-sized EC2 instance in a private subnet and its network throughput is being throttled by a NAT running on an undersized EC2 instance.
B. The route table for the subnets containing the affected EC2 instances is not configured to direct network traffic for the software update locations to the proxy.
C. You are running the proxy on an undersized EC2 instance type so network throughput is not sufficient for all instances to download their updates in time.
D. You are running the proxy in a public subnet but have not allocated enough EIPs to support the needed network throughput through the Internet Gateway (IGW).
E. You have not allocated enough storage to the EC2 instance running the proxy so the network buffer is filling up, causing some requests to fail.

정답：A,C

질문 # 243
A company with multiple accounts is currently using a configuration that does not meet the following security governance policies
* Prevent ingress from port 22 to any Amazon EC2 instance
* Require billing and application tags for resources
* Encrypt all Amazon EBS volumes
A Solutions Architect wants to provide preventive and detective controls including notifications about a specific resource, if there are policy deviations.
Which solution should the Solutions Architect implement?

A. Create an AWS CodeCommit repository containing policy-compliant AWS Cloud Formation templates.
Create an AWS Service Catalog portfolio Import the Cloud Formation templates by attaching the CodeCommit repository to the portfolio Restrict users across all accounts to items from the AWS Service Catalog portfolio Use AWS Config managed rules to detect deviations from the policies.
Configure an Amazon CloudWatch Events rule for deviations, and associate a CloudWatch alarm to send notifications when the TriggeredRules metric is greater than zero.
B. Restrict users and enforce least privilege access using AWS I AM. Consolidate all AWS CloudTrail logs into a single account Send the CloudTrail logs to Amazon Elasticsearch Service (Amazon ES).
Implement monitoring alerting, and reporting using the Kibana dashboard in Amazon ES and with Amazon SNS.
C. Implement policy-compliant AWS Cloud Formation templates for each account and ensure that all provisioning is completed by Cloud Formation Configure Amazon Inspector to perform regular checks against resources Perform policy validation and write the assessment output to Amazon CloudWatch Logs. Create a CloudWatch Logs metric filter to increment a metric when a deviation occurs Configure a CloudWatch alarm to send notifications when the configured metric is greater than zero
D. Use AWS Service Catalog to build a portfolio with products that are in compliance with the governance policies in a central account Restrict users across all accounts lo AWS Service Catalog products Share a compliant portfolio to other accounts Use AWS Config managed rules to detect deviations from the policies Configure an Amazon CloudWatch Events rule to send a notification when a deviation occurs

정답：C

질문 # 244
......

만일Amazon AWS-Solutions-Architect-Professional인증시험을 첫 번째 시도에서 실패를 한다면 Amazon AWS-Solutions-Architect-Professional덤프비용 전액을 환불 할 것입니다. 만일 고객이 우리 제품을 구입하고 첫 번째 시도에서 성공을 하지 못 한다면 모든 정보를 확인 한 후에 구매 금액 전체를 환불 할 것 입니다. 이러한 방법으로 저희는 고객에게 어떠한 손해도 주지 않을 것을 보장합니다.

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