You are using a single Cloud SQL instance to serve your application from a specific zone. You want to introduce high availability. What should you do?

• A.Create a failover replica instance in the same region, but in a different zone
• B.Create a read replica instance in a different region
• C.Create a failover replica instance in a different region
• D.Create a read replica instance in the same region, but in a different zone

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Google Cloud Platform resources are managed hierarchically using organization, folders, and projects. When Cloud Identity and Access Management (IAM) policies exist at these different levels, what is the effective policy at a particular node of the hierarchy?

• A.The effective policy is determined only by the policy set at the node
• B.The effective policy is the policy set at the node and restricted by the policies of its ancestors
• C.The effective policy is the union of the policy set at the node and policies inherited from its ancestors
• D.The effective policy is the intersection of the policy set at the node and policies inherited from its ancestors

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One of your primary business objectives is being able to trust the data stored in your application. You want to log all changes to the application dat a. How can you design your logging system to verify authenticity of your logs?

• A.Write the log concurrently in the cloud and on premises.
• B.Use a SQL database and limit who can modify the log table.
• C.Digitally sign each timestamp and log entry and store the signature.
• D.Create a JSON dump of each log entry and store it in Google Cloud Storage.

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For this question, refer to the JencoMart case study
A few days after JencoMart migrates the user credentials database to Google Cloud Platform and shuts down the old server, the new database server stops responding to SSH connections. It is still serving database requests to the application servers correctly. What three steps should you take to diagnose the problem?
Choose 3 answers

• A.Delete the virtual machine (VM) and disks and create a new one.
• B.Delete the instance, attach the disk to a new VM, and investigate.
• C.Take a snapshot of the disk and connect to a new machine to investigate.
• D.Check inbound firewall rules for the network the machine is connected to.
• E.Connect the machine to another network with very simple firewall rules and investigate.
• F.Print the Serial Console output for the instance for troubleshooting, activate the interactive console, and investigate.

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The database administration team has asked you to help them improve the performance of their new database server running on Google Compute Engine. The database is for importing and normalizing their performance statistics and is built with MySQL running on Debian Linux. They have an n1-standard-8 virtual machine with
80 GB of SSD persistent disk. What should they change to get better performance from this system?

• A.Create a new virtual machine running PostgreSQL.
• B.Dynamically resize the SSD persistent disk to 500 GB.
• C.Increase the virtual machine's memory to 64 GB.
• D.Migrate their performance metrics warehouse to BigQuery.
• E.Modify all of their batch jobs to use bulk inserts into the database.

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