| Question.51 In order to securely transfer web traffic data from your computer’s web browser to the Cloud Dataproc cluster you should use a(n) _____. (A) VPN connection (B) Special browser (C) SSH tunnel (D) FTP connection |
51. Click here to View Answer
Answer is (C) SSH tunnel
To connect to the web interfaces, it is recommended to use an SSH tunnel to create a secure connection to the master node.
| Question.52 The YARN ResourceManager and the HDFS NameNode interfaces are available on a Cloud Dataproc cluster ____. (A) application node (B) conditional node (C) master node (D) worker node |
52. Click here to View Answer
Answer is (C) master node
The YARN ResourceManager and the HDFS NameNode interfaces are available on a Cloud Dataproc cluster master node. The cluster master-host-name is the name of your Cloud Dataproc cluster followed by an -m suffixfor example, if your cluster is named “my-cluster”, the master-host-name would be “my-cluster-m”.
Reference:
https://cloud.google.com/dataproc/docs/concepts/cluster-web-interfaces#interfaces
| Question.53 Cloud Dataproc charges you only for what you really use with _____ billing. (A) month-by-month (B) minute-by-minute (C) week-by-week (D) hour-by-hour |
53. Click here to View Answer
Answer is (D) second-by-second
Although the pricing formula is expressed as an hourly rate, Dataproc is billed by the second, and all Dataproc clusters are billed in one-second clock-time increments, subject to a 1-minute minimum billing. Usage is stated in fractional hours (for example, 30 minutes is expressed as 0.5 hours) in order to apply hourly pricing to second-by-second use.
Reference:
https://cloud.google.com/dataproc/docs/concepts/overview