You need to configure optimal data storage for files stored in Cloud Storage for minimal cost. The files are used in a mission-critical analytics pipeline that is used continually. The users are in Boston, MA (United States). What should you do?

• A.Configure dual-regional storage for the dual region closest to the users Configure a Standard storage class
• B.Configure dual-regional storage for the dual region closest to the users Configure a Nearline storage class
• C.Configure regional storage for the region closest to the users Configure a Nearline storage class
• D.Configure regional storage for the region closest to the users Configure a Standard storage class

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You deployed an LDAP server on Compute Engine that is reachable via TLS through port 636 using UDP.
You want to make sure it is reachable by clients over that port. What should you do?

• A.Create a route called allow-udp-636 and set the next hop to be the VM instance running the LDAP server.
• B.Add the network tag allow-udp-636 to the VM instance running the LDAP server.
• C.Add a network tag of your choice to the instance. Create a firewall rule to allow ingress on UDP port
  636 for that network tag.
• D.Add a network tag of your choice to the instance running the LDAP server. Create a firewall rule to allow egress on UDP port 636 for that network tag.

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You want to run a single caching HTTP reverse proxy on GCP for a latency-sensitive website. This specific reverse proxy consumes almost no CPU. You want to have a 30-GB in-memory cache, and need an additional 2 GB of memory for the rest of the processes. You want to minimize cost. How should you run this reverse proxy?

• A.Run it on Compute Engine, choose the instance type n1-standard-1, and add an SSD persistent disk of 32 GB.
• B.Run it on Compute Engine, and choose a custom instance type with 6 vCPUs and 32 GB of memory.
• C.Package it in a container image, and run it on Kubernetes Engine, using n1-standard-32 instances as nodes.
• D.Create a Cloud Memorystore for Redis instance with 32-GB capacity.

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You created an update for your application on App Engine. You want to deploy the update without impacting your users. You want to be able to roll back as quickly as possible if it fails. What should you do?

• A.Delete the current version of your application. Deploy the update using the same version identifier as the deleted version.
• B.Notify your users of an upcoming maintenance window. Deploy the update in that maintenance window.
• C.Deploy the update as the same version that is currently running.
• D.Deploy the update as a new version. Migrate traffic from the current version to the new version.

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You are building an archival solution for your data warehouse and have selected Cloud Storage to archive your dat a. Your users need to be able to access this archived data once a quarter for some regulatory requirements. You want to select a cost-efficient option. Which storage option should you use?

• A.Cold Storage
• B.Nearline Storage
• C.Regional Storage
• D.Multi-Regional Storage

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