SAP-C02 Exam: Absolutely Free Online Practice

Question 1
- A team collects and routes behavioral data for an entire company The company runs a Multi-AZ VPC
  environment with public subnets, private subnets, and in internet gateway Each public subnet also contains a
  NAT gateway Most of the company's applications read from and write to Amazon Kinesis Data Streams. Most
  of the workloads am in private subnets.
  A solutions architect must review the infrastructure The solutions architect needs to reduce costs and maintain
  the function of the applications The solutions architect uses Cost Explorer and notices that the cost in the
  EC2-Other category is consistently high A further review shows that NatGateway-Bytes charges are increasing
  the cost in the EC2-Other category.
  What should the solutions architect do to meet these requirements?
  
  A : Enable VPC Flow Logs. Use Amazon Athena to analyze the logs for traffic that can be removed. Ensure that security groups are Mocking traffic that is responsible for high costs.
  
  B : Add an interface VPC endpoint for Kinesis Data Streams to the VPC. Ensure that applications have the correct IAM permissions to use the interface VPC endpoint.
  
  C : Enable VPC Flow Logs and Amazon Detective Review Detective findings for traffic that is not related to Kinesis Data Streams Configure security groups to block that traffic
  
  D : Add an interface VPC endpoint for Kinesis Data Streams to the VPC. Ensure that the VPC endpoint policy allows traffic from the applications.
  
  Answer: D
Question 2
- A company wants to migrate its data analytics environment from on premises to AWS The environment
  consists of two simple Node js applications One of the applications collects sensor data and loads it into a
  MySQL database The other application aggregates the data into reports When the aggregation jobs run. some
  of the load jobs fail to run correctly
  The company must resolve the data loading issue The company also needs the migration to occur without
  interruptions or changes for the company's customers
  What should a solutions architect do to meet these requirements?
  
  A :
  Set up an Amazon Aurora MySQL database as a replication target for the on-premises database Create
  an Aurora Replica for the Aurora MySQL database, and move the aggregation jobs to run against the
  Aurora Replica Set up collection endpomts as AWS Lambda functions behind a Network Load Balancer
  (NLB). and use Amazon RDS Proxy to wnte to the Aurora MySQL database When the databases are
  synced disable the replication job and restart the Aurora Replica as the primary instance. Point the
  collector DNS record to the NLB.
  
  B :
  Set up an Amazon Aurora MySQL database Use AWS Database Migration Service (AWS DMS) to
  perform continuous data replication from the on-premises database to Aurora Move the aggregation jobs
  to run against the Aurora MySQL database Set up collection endpomts behind an Application Load
  Balancer (ALB) as Amazon EC2 instances in an Auto Scaling group When the databases are synced,
  point the collector DNS record to the ALB Disable the AWS DMS sync task after the cutover from on
  premises to AWS
  
  C :
  Set up an Amazon Aurora MySQL database Use AWS Database Migration Service (AWS DMS) to
  perform continuous data replication from the on-premises database to Aurora Create an Aurora Replica
  for the Aurora MySQL database and move the aggregation jobs to run against the Aurora Replica Set up
  collection endpoints as AWS Lambda functions behind an Application Load Balancer (ALB) and use
  Amazon RDS Proxy to write to the Aurora MySQL database When the databases are synced, point the
  collector DNS record to the ALB Disable the AWS DMS sync task after the cutover from on premises
  to AWS
  
  D :
  Set up an Amazon Aurora MySQL database Create an Aurora Replica for the Aurora MySQL database
  and move the aggregation jobs to run against the Aurora Replica Set up collection endpoints as an
  Amazon Kinesis data stream Use Amazon Kinesis Data Firehose to replicate the data to the Aurora
  MySQL database When the databases are synced disable the replication job and restart the Aurora
  Replica as the primary instance Point the collector DNS record to the Kinesis data stream.
  
  Answer: C
Question 3
- 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 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.
  
  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 :
  Purchase Reserved Instances for the master node and core nodes Terminate all existing task nodes in the
  EMR cluster
  
  D :
  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.
  
  Answer: B
Question 4
- A solutions architect is working with a company that is extremely sensitive to its IT costs and wishes to
  implement controls that will result in a predictable AWS spend each month Which combination ot steps can
  help the company control and monitor its monthly AWS usage to achieve a cost that is as close as possible to
  the target amount? (Select THREE.)
  
  A :
  Implement an IAM policy that requires users to specify a 'workload'
  tag for cost allocation when launching Amazon EC2 instances
  
  B :
  Contact AWS Support and ask that they apply limits to the account so that users are not able to launch more
  than a certain number of instance types
  
  C : Purchase all upfront Reserved Instances that cover 100% of the account-s expected Amazon EC2 usage
  
  D : Place conditions in the users' IAM policies that limit the number of instances they are able to launch
  
  E : Define 'workload' as a cost allocation tag in the AWS Billing and Cost Management console
  
  F : Set up AWS Budgets to alert and notify when a given workload is expected to exceed a defined cost
  
  Answer: A
Question 5
- A company is planning to migrate its business-critical applications from an on-premises data center to AWS.
  The company has an on-premises installation of a
  Microsoft SQL Server Always On cluster. The company wants to migrate to an AWS managed database
  service. A solutions architect must design a heterogeneous database migration on AWS.
  Which solution will meet these requirements?
  
  A : Migrate the SQL Server databases to Amazon RDS for MySQL by using backup and restore utilities
  
  B : Use an AWS Snowball Edge Storage Optimized device to transfer data to Amazon S3. Set up Amazon RDS for MySQL. Use S3 integration with SQL Server features, such as BULK INSERT.
  
  C : Use the AWS Schema Conversion Tool to translate the database schema to Amazon RDS for MeSQL. Then use AWS Database Migration Service (AWS DMS) to migrate the data from on-premises databases to Amazon RDS.
  
  D : Use AWS DataSync to migrate data over the network between on-premises storage and Amazon S3. Set up Amazon RDS for MySQL. Use S3 integration with SQL Server features, such as BULK INSERT.
  
  Answer: C

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