QUESTION: 33

You are managing an application that exposes an HTTP endpoint without using a load balancer. The latency of the HTTP responses is important for the user experience. You want to understand what

HTTP latencies all of your users are experiencing. You use Stackdriver Monitoring.
What should you do?

· In your application, create a metric with a metricKind set to DELTA and a valueType set to DOUBLE.
· In Stackdriver's Metrics Explorer, use a Slacked Bar graph to visualize the metric.
· In your application, create a metric with a metricKind set to CUMULATIVE and a valueType set to DOUBLE.
· In Stackdriver's Metrics Explorer, use a Line graph to visualize the metric.
· In your application, create a metric with a metricKind set to gauge and a valueType set to distribution.
· In Stackdriver's Metrics Explorer, use a Heatmap graph to visualize the metric.
· In your application, create a metric with a metricKind. set toMETRlc_KIND_UNSPECIFIEDanda valueType set to INT64.
· In Stackdriver's Metrics Explorer, use a Stacked Area graph to visualize the metric.

Answer(s): C

Explanation:

https://sre.google/workbook/implementing-slos/
https://cloud.google.com/architecture/adopting-slos/

Latency is commonly measured as a distribution. Given a distribution, you can measure various percentiles. For example, you might measure the number of requests that are slower than the historical 99th percentile.

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QUESTION: 34

You are responsible for creating and modifying the Terraform templates that define your Infrastructure. Because two new engineers will also be working on the same code, you need to define a process and adopt a tool that will prevent you from overwriting each other's code. You also want to ensure that you capture all updates in the latest version.
What should you do?

· Store your code in a Git-based version control system.
· Establish a process that allows developers to merge their own changes at the end of each day.
· Package and upload code lo a versioned Cloud Storage bucket as the latest master version.
· Store your code in a Git-based version control system.
· Establish a process that includes code reviews by peers and unit testing to ensure integrity and functionality before integration of code.
· Establish a process where the fully integrated code in the repository becomes the latest master version.
· Store your code as text files in Google Drive in a defined folder structure that organizes the files.
· At the end of each day. confirm that all changes have been captured in the files within the folder structure.
· Rename the folder structure with a predefined naming convention that increments the version.
· Store your code as text files in Google Drive in a defined folder structure that organizes the files.

· At the end of each day, confirm that all changes have been captured in the files within the folder structure and create a new .zip archive with a predefined naming convention.
· Upload the .zip archive to a versioned Cloud Storage bucket and accept it as the latest version.

Answer(s): B

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QUESTION: 35

You are running an experiment to see whether your users like a new feature of a web application. Shortly after deploying the feature as a canary release, you receive a spike in the number of 500 errors sent to users, and your monitoring reports show increased latency. You want to quickly minimize the negative impact on users.
What should you do first?

Roll back the experimental canary release.
Start monitoring latency, traffic, errors, and saturation.
Record data for the postmortem document of the incident.
Trace the origin of 500 errors and the root cause of increased latency.

Answer(s): A

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QUESTION: 36

You need to run a business-critical workload on a fixed set of Compute Engine instances for several months. The workload is stable with the exact amount of resources allocated to it. You want to lower the costs for this workload without any performance implications.
What should you do?

Purchase Committed Use Discounts.
Migrate the instances to a Managed Instance Group.
Convert the instances to preemptible virtual machines.
Create an Unmanaged Instance Group for the instances used to run the workload.

Answer(s): A

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QUESTION: 33

Explanation:

QUESTION: 34

QUESTION: 35

QUESTION: 36