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Google-PDE Dumps Google-PDE Braindumps

Google-PDE Real Questions Google-PDE Practice Test Google-PDE Actual Questions


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Google-PDE


Professional Data Engineer on Google Cloud Platform


https://killexams.com/pass4sure/exam-detail/Google-PDE


Question: 230


When a Cloud Bigtable node fails, is lost.


  1. all data

  2. no data

  3. the last transaction

  4. the time dimension


Answer: B


Question: 231


Which is not a valid reason for poor Cloud Bigtable performance?


  1. The workload isn't appropriate for Cloud Bigtable.

  2. The table's schema is not designed correctly.

  3. The Cloud Bigtable cluster has too many nodes.

  4. There are issues with the network connection.


Answer: C


Question: 232


Which is the preferred method to use to avoid hotspotting in time series data in Bigtable?


  1. Field promotion

  2. Randomization

  3. Salting

  4. Hashing


Answer: A

When you design a Google Cloud Bigtable schema it is recommended that you .


  1. Avoid schema designs that are based on NoSQL concepts

  2. Create schema designs that are based on a relational database design

  3. Avoid schema designs that require atomicity across rows

  4. Create schema designs that require atomicity across rows


Answer: C


Question: 234


Which of the following is NOT a valid use case to select HDD (hard disk drives) as the storage for Google Cloud Bigtable?


  1. You expect to store at least 10 TB of data.

  2. You will mostly run batch workloads with scans and writes, rather than frequently executing random reads of a small number of rows.

  3. You need to integrate with Google BigQuery.

  4. You will not use the data to back a user-facing or latency-sensitive application.


Answer: C


Question: 235


Cloud Bigtable is Google's Big Data database service.


  1. Relational

  2. mySQL

  3. NoSQL

  4. SQL Server


Answer: C


Question: 236


When you store data in Cloud Bigtable, what is the recommended minimum amount of stored data?


  1. 500 TB

  2. 1 GB

  3. 1 TB

  4. 500 GB

Question: 237


If you're running a performance test that depends upon Cloud Bigtable, all the choices except one below are recommended steps. Which is NOT a recommended step to follow?


  1. Do not use a production instance.

  2. D. Use at least 300 Gof data.

  3. Before you test, run a heavy pre-test for several minutes.

  4. Use at least 300 GB of data.


Answer: A


Question: 238


Cloud Bigtable is a recommended option for storing very large amounts of ?


  1. multi-keyed data with very high latency

  2. multi-keyed data with very low latency

  3. single-keyed data with very low latency

  4. single-keyed data with very high latency


Answer: C


Question: 239


Google Cloud Bigtable indexes a single value in each row. This value is called the .


  1. primary key

  2. unique key

  3. row key

  4. master key


Answer: C


Question: 240


What is the HBase Shell for Cloud Bigtable?


  1. The HBase shell is a GUI based interface that performs administrative tasks, such as creating and deleting tables.

  2. The HBase shell is a command-line tool that performs administrative tasks, such as creating and deleting tables.

  3. The HBase shell is a hypervisor based shell that performs administrative tasks, such as creating and deleting new virtualized instances.

  4. The HBase shell is a command-line tool that performs only user account management functions to grant access to Cloud Bigtable instances.


Answer: B


Question: 241


What is the recommended action to do in order to switch between SSD and HDD storage for your Google Cloud Bigtable instance?


  1. create a third instance and sync the data from the two storage types via batch jobs

  2. export the data from the existing instance and import the data into a new instance

  3. run parallel instances where one is HDD and the other is SDD

  4. the selection is final and you must resume using the same storage type


Answer: B


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