You use Cloud Build to build your application. You want to reduce the build time while minimizing cost and development effort. What should you do?

• A.Use Cloud Storage to cache intermediate artifacts.
• B.Run multiple Jenkins agents to parallelize the build.
• C.Use multiple smaller build steps to minimize execution time.
• D.Use larger Cloud Build virtual machines (VMs) by using the machine-type option.

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You are ready to deploy a new feature of a web-based application to production. You want to use Google Kubernetes Engine (GKE) to perform a phased rollout to half of the web server pods.
What should you do?

• A.Use a partitioned rolling update.
• B.Use Node taints with NoExecute.
• C.Use a replica set in the deployment specification.
• D.Use a stateful set with parallel pod management policy.

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Your development team has created a new version of their service's API. You need to deploy the new versions of the API with the least disruption to third-party developers and end users of third-party installed applications. What should you do?

• A.Announce deprecation of the old version of the API.
  Introduce the new version of the API.
  Contact remaining users on the old API.
  Deprecate the old version of the API.
  Turn down the old version of the API.
  Provide best effort support to users of the old API.
• B.Introduce the new version of the API.
  Announce deprecation of the old version of the API.
  Deprecate the old version of the API.
  Contact remaining users of the old API.
  Provide best effort support to users of the old API.
  Turn down the old version of the API.
• C.Announce deprecation of the old version of the API.
  Contact remaining users on the old API.
  Introduce the new version of the API.
  Deprecate the old version of the API.
  Provide best effort support to users of the old API.
  Turn down the old version of the API.
• D.Introduce the new version of the API.
  Contact remaining users of the old API.
  Announce deprecation of the old version of the API.
  Deprecate the old version of the API.
  Turn down the old version of the API.
  Provide best effort support to users of the old API.

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You support an application running on App Engine. The application is used globally and accessed from various device types. You want to know the number of connections. You are using Stackdriver Monitoring for App Engine. What metric should you use?

• A.flex/connections/current
• B.tcp_ssl_proxy/new_connections
• C.tcp_ssl_proxy/open_connections
• D.flex/instance/connections/current

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You support an e-commerce application that runs on a large Google Kubernetes Engine (GKE) cluster deployed on-premises and on Google Cloud Platform. The application consists of microservices that run in containers. You want to identify containers that are using the most CPU and memory. What should you do?

• A.Use Stackdriver Kubernetes Engine Monitoring.
• B.Use the Stackdriver Monitoring API to create custom metrics, and then organize your containers using groups.
• C.Use Stackdriver Logging to export application logs to BigOuery. aggregate logs per container, and then analyze CPU and memory consumption.
• D.Use Prometheus to collect and aggregate logs per container, and then analyze the results in Grafana.

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