SAP-C02퍼펙트최신덤프모음집 & SAP-C02시험대비자료

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>> SAP-C02퍼펙트 최신 덤프모음집 <<

최신 AWS Certified Solutions Architect SAP-C02 무료샘플문제 (Q92-Q97):

질문 # 92
A company is using an Amazon EMR cluster to run its big data jobs. The cluster's jobs are invoked by AWS Step Functions Express Workflows that consume various Amazon Simple Queue Service (Amazon SQS) queues. The workload of this solution is variable and unpredictable Amazon CloudWatch metrics show that the cluster's peak utilization is only 25% at times and that the cluster sits idle the rest of the time
A solutions architect must optimize the costs of the cluster without negatively impacting the time it takes to run the various jobs
What is the MOST cost-effective solution that meets these requirements?

A. Modify the EMR cluster to use capacity-optimized Spot Instances and a diversified task fleet. Define target capacity for each node type with a mix of On-Demand Instances and Spot Instances.
B. Modify the EMR cluster to use an instance fleet of Dedicated On-Demand Instances for the master node and core nodes, and to use Spot Instances for the task nodes. Define target capacity for each node type to cover the load.
C. Modify the EMR cluster by turning on automatic scaling of the core nodes and task nodes with a custom policy that is based on cluster utilization Purchase Reserved Instance capacity to cover the master node.
D. Purchase Reserved Instances for the master node and core nodes Terminate all existing task nodes in the EMR cluster

정답：B

질문 # 93
A company is hosting a critical application on a single Amazon EC2 instance. The application uses an Amazon ElastiCache for Redis single-node cluster for an in-memory data store. The application uses an Amazon RDS for MariaDB DB instance for a relational database. For the application to function, each piece of the infrastructure must be healthy and must be in an active state.
A solutions architect needs to improve the application's architecture so that the infrastructure can automatically recover from failure with the least possible downtime.
Which combination of steps will meet these requirements? (Select THREE.)

A. Modify the DB instance to create a read replica in the same Availability Zone. Promote the read replica to be the primary DB instance in failure scenarios.
B. Modify the DB instance to create a Multi-AZ deployment that extends across two Availability Zones.
C. Create a replication group for the ElastiCache for Redis cluster. Configure the cluster to use an Auto Scaling group that has a minimum capacity of two instances.
D. Create a replication group for the ElastiCache for Redis cluster. Enable Multi-AZ on the cluster.
E. Use an Elastic Load Balancer to distribute traffic across multiple EC2 instances. Ensure that the EC2 instances are part of an Auto Scaling group that has a minimum capacity of two instances.
F. Use an Elastic Load Balancer to distribute traffic across multiple EC2 instances Ensure that the EC2 instances are configured in unlimited mode.

정답：B,D,E

설명：
* Option A is correct because using an Elastic Load Balancer and an Auto Scaling group with a minimum capacity of two instances can improve the availability and scalability of the EC2 instances that host the application. The load balancer can distribute traffic across multiple instances and the Auto Scaling group can replace any unhealthy instances automatically1
* Option D is correct because modifying the DB instance to create a Multi-AZ deployment that extends across two Availability Zones can improve the availability and durability of the RDS for MariaDB database. Multi-AZ deployments provide enhanced data protection and minimize downtime by automatically failing over to a standby replica in another Availability Zone in case of a planned or unplanned outage4
* Option F is correct because creating a replication group for the ElastiCache for Redis cluster and enabling Multi-AZ on the cluster can improve the availability and fault tolerance of the in-memory data store. A replication group consists of a primary node and up to five read-only replica nodes that are synchronized with the primary node using asynchronous replication. Multi-AZ allows automatic failover to one of the replicas if the primary node fails or becomes unreachable6 References: 1: https://docs.aws.amazon.com/elasticloadbalancing/latest/userguide/how-elastic-load-balancing- works.html 2: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/burstable-performance-instances- unlimited-mode.html 3: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_ReadRepl.html
4: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/Concepts.MultiAZ.html 5: https://docs.aws.
amazon.com/AmazonElastiCache/latest/red-ug/AutoScaling.html 6: https://docs.aws.amazon.com
/AmazonElastiCache/latest/red-ug/Replication.Redis.Groups.html

질문 # 94
A company is developing a web application that runs on Amazon EC2 instances in an Auto Scaling group behind a public-facing Application Load Balancer (ALB). Only users from a specific country are allowed to access the application. The company needs the ability to log the access requests that have been blocked. The solution should require the least possible maintenance.
Which solution meets these requirements?

A. Create a security group rule that allows ports 80 and 443 from IP ranges that belong to the specified country. Associate the security group with the ALB.
B. Configure AWS Shield to block any requests that do not originate from the specified country.
Associate AWS Shield with the ALB.
C. Create an IPSet containing a list of IP ranges that belong to the specified country. Create an AWS WAF web ACL. Configure a rule to block any requests that do not originate from an IP range in the IPSet. Associate the rule with the web ACL. Associate the web ACL with the ALB.
D. Create an AWS WAF web ACL. Configure a rule to block any requests that do not originate from the specified country. Associate the rule with the web ACL. Associate the web ACL with the ALB.

정답：D

설명：
https://docs.aws.amazon.com/waf/latest/developerguide/waf-rule-statement-type-geo-match.html

질문 # 95
A company has an application that uses Amazon EC2 instances in an Auto Scaling group. The quality assurance (QA) department needs to launch and test the application. The application environments are currently launched by the manager of the department using an AWS CloudFormation template. To launch the stack, the manager uses a role with permission to use CloudFormation, EC2, and Auto Scaling APIs. The manager wants to allow QA to launch environments, but does not want to grant broad permissions to each user.
Which set up would achieve these goals?

A. Create an AWS Service Catalog product from the environment template. Add a launch constraint to the product with the existing manager's department permission to use AWS Service Catalog APIs only.
Train users to launch the template from the AWS Service Catalog console.
B. Upload the AWS CloudFormation template to Amazon S3. Give users in the QA department permission to use CloudFormation and restrict the permissions to the template and the resources it creates. Train users to launch the template from the CloudFormation console.
C. Upload the AWS CloudFormation template to Amazon S3. Give users in the QA department permission to assume the manager's role, restricts the permissions to the template and the resources it creates. Train users to launch the template from the CloudFormation console.
D. Create an AWS Elastic Beanstalk application from the environment template. Give users in the QA department permission to use Elastic Beanstalk only. Train users to launch Elastic Beanstalk environments with the Elastic Beanstalk CLI, passing the existing role to the environment.

정답：A

질문 # 96
A solutions architect has implemented a SAML 2.0 federated identity solution with their company's on-premises identity provider (IdP) to authenticate users' access to the AWS environment. When the solutions architect tests authentication through the federated identity web portal access to the AWS environment is granted However, when test users attempt to authenticate through the federated identity web portal, they are not able to access the AWS environment.
Which items should the solutions architect check to ensure identity federation is property configured? (Select THREE j

A. The web portal calls the AWS STS AssumeRoleWithSAML API with the ARN of the SAML provider the ARN of the IAM role, and the SAML assertion from IdP
B. The on-premises IdP's DNS hostname is reachable from the AWS environment VPCs.
C. The company's IdP defines SAML assertions that property map users or groups m the company to IAM roles with appropriate permissions
D. The IAM user's permissions pokey has allowed the use of SAML federation for that user
E. The IAM roles created for the federated users' or federated groups' trust policy have set the SAML provider as the principle.
F. Test users are not in the AWSFederatedUsers group in the company's IdP

정답：A,C,E

설명：
Explanation
Follow to accecc to AWS console by IDP 3rd:
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_enable-console-saml.html From stituation of question, we know that: Flow is succesc to step 3 ( got Grant from Idp)
=> user cant not access to AWS console because failed at step 4 or step 5 So:
1. we need to verify SAML assertion (D) : "The IAM role and IAM identity provider are specified as a comma-delimited pair of ARNs in the same format as the RoleArn and PrincipalArn"
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_create_saml_assertions.html#saml-attrib
2, Next, Verify mapping User and Role is exaclty ( F)
3, Verify "Prerequisites for creating a role for SAML" : Principal must has "PROVIDER-NAME"
https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_create_for-idp_saml.html#idp_saml_Prerequisites

질문 # 97
......

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SAP-C02퍼펙트최신덤프모음집 & SAP-C02시험대비자료

최신버전 SAP-C02퍼펙트 최신 덤프모음집 덤프는 AWS Certified Solutions Architect - Professional (SAP-C02) 시험패스의 지름길

최신 AWS Certified Solutions Architect SAP-C02 무료샘플문제 (Q92-Q97):

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