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Free CLOUD-DIGITAL-LEADER Exam Braindumps (page: 56)

Page 55 of 104
PDF with 411 Questions

What service is a fully managed real-time messaging service that allows you to send and receive messages between independent applications.

  1. Cloud Datastore
  2. Cloud Pub/Sub
  3. Cloud DNS
  4. Cloud BigTable
  5. Cloud Spanner

Answer(s): B

Explanation:

Google Cloud Pub/Sub is a scalable, durable event ingestion and delivery system.

-> Pub/Sub allows services to communicate asynchronously, with latencies on the order of 100 milliseconds.
-> Pub/Sub is used for streaming analytics and data integration pipelines to ingest and distribute data. It is equally effective as messaging-oriented middleware for service integration or as a queue to parallelize tasks.
-> Pub/Sub enables you to create systems of event producers and consumers, called publishers and subscribers. Publishers communicate with subscribers asynchronously by broadcasting events, rather than by synchronous remote procedure calls (RPCs).

Reference link- https://cloud.google.com/pubsub/docs/overview



A customer is migrating there on-promises data analytics solution to Google Cloud. The current solution has a lot of data being read form and written to disk. The performance of this approach has occasionally been a bottleneck for a scale of operations that your cus-tomer has. The application is fault tolerant and can with stand machine going down fre-quently. In moving to Google Cloud they are asking your advice on any way to improve performance?

  1. Use Big Query Which has very fast data access and analysis
  2. Use Cloud Storage which can be central, scalable storage
  3. Use local SSDs with the VMs
  4. Use Persistent Disk with the VMs

Answer(s): C

Explanation:

Local SSDs are attached to the VM and have very high throughput. However, when the VM shuts down, The local SSD is also shut down, Since our Workload here is foult tolerant, than is not an issue.



Virtual Machine vCPU and memory usage for each of these categories can receive one of the following discounts? (Select Three Answer)

  1. Military Discounts
  2. Spot Instances
  3. Committed-Use
  4. Sustained-Use
  5. Preemptible VMs

Answer(s): C,D,E

Explanation:

Sustained, Committed and Preemptible vCPU and memory usage for each of these categories can receive discounts

VM vCPU and memory usage for each of these categories can receive discounts

Sustained-use discounts--Google offers up to 30% off for workloads that run for most of the billing month on GCP services.

Committed-use discounts--users can save up to 57% by committing to use an instance for a certain time period, with no upfront payment and with the flexibility to change instances during the commitment period.

Preemptible VMs--similar to the concept of AWS spot instances, Google offers up to 79% off for Virtual Machines that may be shut down at any time and replaced by others.

Reference link- https://cloud.google.com/compute/docs/sustained-use-discounts Reference link­ https://cloud.google.com/compute/docs/instances/signing-up-committed-use- discounts
Reference link­ https://cloud.google.com/compute/docs/instances/preemptible



Your customer is moving from AWS to Google Cloud. Data also needs to be moved. There is about 50TB of dat

  1. On AWS, the data resides in an S3 bucket. It is going to be moved to Cloud Storage. Data is also being continuously generated on S3 prior to the cutover. It is preferable that this is also periodically transferred.
    What is the best way to move the data?
  2. Use the gsutil command-line option
  3. Use the Google Cloud console to drag and drop the files easily
  4. Use the Storage Transfer Service
  5. Use a Transfer Appliance

Answer(s): C

Explanation:

Storage Transfer Service provides options that make data transfers and synchronization easier. We can also schedule one-time transfer operations or recurring transfer operations.

Reference link- https://cloud.google.com/storage-transfer/docs/overview

Reference link- https://cloud.google.com/architecture/transferring-data-from-amazon-s3-to-cloud- storage-using-vpc-service-controls-and-storage-transfer-service






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