You are running multiple VPC-native Google Kubernetes Engine clusters in the same subnet. The IPs available for the nodes are exhausted, and you want to ensure that the clusters can grow in nodes when needed. What should you do?

• A.Create a new subnet in the same region as the subnet being used.
• B.Add an alias IP range to the subnet used by the GKE clusters.
• C.Create a new VPC, and set up VPC peering with the existing VPC.
• D.Expand the CIDR range of the relevant subnet for the cluster.
  :
  To create a VPC peering connection, first create a request to peer with another VPC.

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Developers are creating a new online transaction processing (OLTP) application for a small database that is very read-write intensive. A single table in the database is updated continuously throughout the day, and the developers want to ensure that the database performance is consistent.
Which Amazon EBS storage option will achieve the MOST consistent performance to help maintain application performance?

• A.Provisioned IOPS SSD
• B.General Purpose SSD
• C.Cold HDD
• D.Throughput Optimized HDD

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While looking at your application's source code in your private Github repo, you've noticed that a service account key has been committed to git. What steps should you take next?

• A.Delete the project and create a new one.
• B.Revoke the key, remove the key from Git, purge the Git history to remove all traces of the file, ensure the key is added to the .gitignore file.
• C.Contact Google Cloud Support
• D.Do nothing. Git is fine for keys if the repo is private.

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You need to run an important query in BigQuery but expect it to return a lot of records. You want to find out how much it will cost to run the query. You are using on-demand pricing. What should you do?

• A.Arrange to switch to Flat-Rate pricing for this query, then move back to on-demand.
• B.Use the command line to run a dry run query to estimate the number of bytes read. Then convert that bytes estimate to dollars using the Pricing Calculator.
• C.Use the command line to run a dry run query to estimate the number of bytes returned. Then convert that bytes estimate to dollars using the Pricing Calculator.
• D.Run a select count (*) to get an idea of how many records your query will look through. Then convert that number of rows to dollars using the Pricing Calculator.

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You need to manage a Cloud Spanner Instance for best query performance. Your instance in production runs in a single Google Cloud region. You need to improve performance in the shortest amount of time. You want to follow Google best practices for service configuration. What should you do?

• A.Create an alert in Cloud Monitoring to alert when the percentage ot high priority CPU utilization reaches 45% Use database query statistics to identify queries that result in high CPU usage, and then rewrite those queries to optimize their resource usage
• B.Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 65%. Use database query statistics to identity queries that result in high CPU usage, and then rewrite those queries to optimize their resource usage.
• C.Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 65% If you exceed this threshold, add nodes to your instance
• D.Create an alert in Cloud Monitoring to alert when the percentage of high priority CPU utilization reaches 45% If you exceed this threshold, add nodes lo your instance.

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