Free AWS-SysOps Exam Braindumps (page: 42)

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A company’s SysOps administrator deploys a public Network Load Balancer (NLB) in front of the company’s web application. The web application does not use any Elastic IP addresses. Users must access the web application by using the company’s domain name. The SysOps administrator needs to configure Amazon Route 53 to route traffic to the NLB.
Which solution will meet these requirements MOST cost-effectively?

  1. Create a Route 53 AAAA record for the NLB.
  2. Create a Route 53 alias record for the NL
  3. Create a Route 53 CAA record for the NLB.
  4. Create a Route 53 CNAME record for the NLB.

Answer(s): B



A company runs an encrypted Amazon RDS for Oracle DB instance. The company wants to make regular backups available in another AWS Region.
What is the MOST operationally efficient solution that meets these requirements?

  1. Modify the DB instance. Enable cross-Region automated backups.
  2. Create an RDS read replica in another Region. Create a snapshot of the read replica.
  3. Use AWS Database Migration Service (AWS DMS) to copy the data to a DB instance in another Region.
  4. Temporarily turn off encryption on the DB instance. Take a snapshot. Copy the snapshot to another Region.

Answer(s): A



A company is rolling out a new version of its website. Management wants to deploy the new website in a limited rollout to 20% of the company’s customers. The company uses Amazon Route 53 for its website’s DNS solution.
Which configuration will meet these requirements?

  1. Create a failover routing policy. Within the policy, configure 80% of the website traffic to be sent to the original resource. Configure the remaining 20% of traffic as the failover record that points to the new resource.
  2. Create a multivalue answer routing policy. Within the policy, create 4 records with the name and IP address of the original resource. Configure 1 record with the name and IP address of the new resource.
  3. Create a latency-based routing policy. Within the policy, configure a record pointing to the original resource with a weight of 80. Configure a record pointing to the new resource with a weight of 20.
  4. Create a weighted routing policy. Within the policy, configure a weight of 80 for the record pointing to the original resource. Configure a weight of 20 for the record pointing to the new resource.

Answer(s): D



A SysOps administrator created an AWS CloudFormation template that provisions Amazon EC2 instances, an Elastic Load Balancer (ELB), and an Amazon RDS DB instance. During stack creation, the creation of the EC2 instances and the creation of the ELB are successful. However, the creation of the DB instance fails.
What is the default behavior of CloudFormation in this scenario?

  1. CloudFormation will roll back the stack and delete the stack.
  2. CloudFormation will roll back the stack but will not delete the stack.
  3. CloudFormation will prompt the user to roll back the stack or continue.
  4. CloudFormation will successfully complete the stack but will report a failed status for the DB instance.

Answer(s): B






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