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Question 20

A SysOps administrator is evaluating Amazon Route 53 DNS options to address concerns about high availability tor an on-premises website. The website consists of two servers: a primary active server and a secondary passive server. Route 53 should route traffic to the primary server if the associated health check returns 2xx or 3xx HTTP codes. AH other traffic should be directed to the secondary passive server. The failover record type, set ID, and routing policy have been set appropriately for both primary and secondary servers.

Which next step should be taken to configure Route 53?

Options:

Create an A record for each server. Associate the records with the Route 53 HTTP health check.

Create an A record for each server. Associate the records with the Route 53 TCP health check.

Create an alias record for each server with evaluate target health set to yes. Associate the records with the Route 53 HTTP health check.

Create an alias record for each server with evaluate target health set to yes. Associate the records with the Route 53 TCP health check.

Question 21

The Chief Financial Officer (CFO) of an organization has seen a spike in Amazon S3 storage costs over the last few months A sysops administrator suspects that these costs are related to storage for older versions of S3 objects from one of its S3 buckets

What can the administrator do to confirm this suspicion1?

Options:

Enable Amazon S3 inventory and then query the inventory to identify the total storage of previous object versions

Use object-level cost allocation tags to identify the total storage of previous object versions.

Enable the Amazon S3 analytics feature for the bucket to identify the total storage of previous object versions

Use Amazon CloudWatch storage metrics for the S3 bucket to identify the total storage of previous object versions

Question 22

A SysOps Administrator is troubleshooting Amazon EC2 connectivity issues to the internet. The EC2 instance is in a private subnet. Below is the route table that is applied to the subnet of the EC2 instance.

Destination – 10.2.0.0/16

Target – local

Status – Active

Propagated – No

Destination – 0.0.0.0/0

Target – nat-xxxxxxx

Status – Blackhole

Propagated – No

What has caused the connectivity issue?

Options:

The NAT gateway no longer exists

There is no route to the internet gateway.

The routes are no longer propagating.

There is no route rule with a destination for the internet.

Question 23

A recent AWS CloudFormation stack update has failed and returned the error update_rollback_failed. A Sysops administrator is tasked with returning the CloudFormation stack to its previous working state.

What must be done to accomplish this?