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Viewing questions 31-40 out of questions
Questions # 31:

A SysOps Administrator is writing a utility that publishes resources from an AWS Lambda function in AWS account A to an Amazon S3 bucket in AWS Account B. The Lambda function is able to successfully write new objects to the S3 bucket, but IAM users in Account B are unable to delete objects written to the bucket by Account A.

Which step will fix this issue?

Options:

A.

Add s3:Deleteobject permission to the IAM execution role of the AWS Lambda function in Account A.

B.

Change the bucket policy of the S3 bucket in Account B to allow s3:Deleteobject permission for Account A.

C.

Disable server-side encryption for objects written to the S3 bucket by the Lambda function.

D.

Call the S3:PutObjectAcl API operation from the Lambda function in Account A to specify bucket owner, full control.

Expert Solution
Questions # 32:

A SysOps Administrator manages an Amazon RDS MySQL DB instance in production. The database is accessed by several applications. The Administrator needs to ensure minimal downtime of the applications in the event the database suffers a failure. This change must not impact customer use during regular business hours.

Which action will make the database MORE highly available?

Options:

A.

Contact AWS Support to pre-warm the database to ensure that it can handle any unexpected spikes in traffic

B.

Create a new Multi-AZ RDS DB instance. Migrate the data to the new DB instance and delete the old one

C.

Create a read replica from the existing database outside of business hours

D.

Modify the DB instance to outside of business hours be a Multi-AZ deployment

Expert Solution
Questions # 33:

A company creates custom AMI images by launching new Amazon EC2 instances from an AWS CloudFormation template. It installs and configures necessary software through AWS OpsWorks, and takes images of each EC2 instance. The process of installing and configuring software can take between 2 to 3 hours, but at times, the process stalls due to installation errors.

The SysOps Administrator must modify the CloudFormation template so if the process stalls, the entire stack will fail and roll back.

Based on these requirements, what should be added to the template?

Options:

A.

Conditions with a timeout set to 4 hours.

B.

CreationPolicy with a timeout set to 4 hours.

C.

DependsOn with a timeout set to 4 hours.

D.

Metadata with a timeout set to 4 hours.

Expert Solution
Questions # 34:

A SysOps administrator is creating an AWS CloudFormation template that uses Amazon EC2 auto scaling to launch EC2 instances with windows 2016. The administrator wants to configure the CloudFormation template to ensure that newly launched instances include recent security updates before serving application traffic. This will minimize the time it takes for the instance to start.

Which action will meet these requirements?

Options:

A.

Configure the template to retrieve the latest windows Amazon machine image (AMI) from AWS systems manager parameter store.

B.

Configure the template to use AWS system manager patch manager to update instances when they are launched.

C.

Create a CloudFormation nested stack that creates a new Amazon Machine Image (AMI), then use that AMI ID in the auto scaling launch configuration.

D.

Update the template with a user data script that runs windows update using the command line and then calls cfn-signal.

Expert Solution
Questions # 35:

A serverless application running on AWS Lambda is expected to receive a significant increase in traffic. A SysOps Administrator needs to ensure that the Lambda function is configured to scale so the application can process the increased traffic.

What should the Administrator do to accomplish this?

Options:

A.

Attach additional elastic network interfaces to the Lambda function

B.

Configure AWS Application Auto Scaling based on the Amazon CloudWatch Lambda metric for the number of invocations

C.

Ensure the concurrency limit for the Lambda function is higher than the expected simultaneous function executions

D.

Increase the memory available to the Lambda function

Expert Solution
Questions # 36:

A SysOps administrator is running an automatically scaled application behind an Application Load Balancer. Scaling out Is triggered when the CPU Utilization instance metric is more than 75% across the Auto Scaling group. The administrator noticed aggressive scaling out. Developers suspect an application memory leak that is causing aggressive garbage collection cycles.

How can the administrator troubleshoot the application without triggering the scaling process?

Options:

A.

Create a scale down trigger when the CPUUtilization instance metric is at 70%.

B.

Delete the Auto Scaling group and recreate it when troubleshooting is complete

C.

Remove impacted instances from the Application Load Balancer.

D.

Suspend the scaling process before troubleshooting.

Expert Solution
Questions # 37:

A new Amazon Redshift Spectrum Cluster has been launched for a team of Business Analysis. When the team attempts to use the cluster to query the data in Amazon S3, they receive the following error:

Question # 37

What is one cause of this?

Options:

A.

The cluster has Enhanced VPC Routing enabled and it must be turned off

B.

The cluster is only a single node and needs to be expanded to multi-node.

C.

The cluster login credentials are incorrect request new credentials from the Administrator

D.

The cluster nodes are running in multiple Availability Zones, and all need to be placed in a single Availability Zone.

Expert Solution
Questions # 38:

A company is releasing a now static website hosted on Amazon S3. The static website hosting feature was enabled on the bucket and content was uploaded, however, upon navigating to the site, the following error message is received:

403 Forbiddan - Access Denied

What change should be made to fix this error'?

Options:

A.

Add a bucket policy that grants everyone read access to the bucket

B.

Add a bucket policy that grants everyone read access to the bucket objects

C.

Remove the default bucket policy that denies read access to the bucket.

D.

Configure cross origin resource sharing (CORS) on the bucket

Expert Solution
Questions # 39:

A SysOps administrator is investigating why a user has been unable to use RDP to connect over the internet from their home computer to a bastion server running on an Amazon EC2 Windows instance

Which of the following are possible causes of this issue? (Select TWO.)

Options:

A.

A network ACL associated with the bastion's subnet is blocking the network traffic

B.

The instance does not have a private IP address.

C.

The route table associated with the bastion's subnet does not have a route to the internet gateway

D.

The security group for the instance does not have an inbound rule on port 22

E.

The security group for the instance does not have an outbound rule on port 3389.

Expert Solution
Questions # 40:

A company has received a notification in its AWS Personal Health Dashboard that one of its Amazon EBS-backed Amazon EC2 instances is on hardware that is scheduled maintenance The instance runs a critical production workload that must be available during normal business hours

Which steps will ensure that the instance maintenance does not produce an outage?

Options:

A.

Configure an Amazon Lambda function to automatically start the instance if it is stopped

B.

Create an Amazon Machine Image (AMI) of the instance and use the AMI to launch a new instance once the existing instance is retired

C.

Enable termination protection on the EC2 instance

D.

Stop and start the EC2 instance during a maintenance window outside of normal business hours

Expert Solution
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Viewing questions 31-40 out of questions