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Pass the Google Google Cloud Certified Professional-Data-Engineer Questions and answers with CertsForce

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Viewing questions 31-40 out of questions
Questions # 31:

You work for a shipping company that uses handheld scanners to read shipping labels. Your company has strict data privacy standards that require scanners to only transmit recipients’ personally identifiable information (PII) to analytics systems, which violates user privacy rules. You want to quickly build a scalable solution using cloud-native managed services to prevent exposure of PII to the analytics systems. What should you do?

Options:

A.

Create an authorized view in BigQuery to restrict access to tables with sensitive data.


B.

Install a third-party data validation tool on Compute Engine virtual machines to check the incoming data for sensitive information.


C.

Use Stackdriver logging to analyze the data passed through the total pipeline to identify transactions that may contain sensitive information.


D.

Build a Cloud Function that reads the topics and makes a call to the Cloud Data Loss Prevention API. Use the tagging and confidence levels to either pass or quarantine the data in a bucket for review.


Expert Solution
Questions # 32:

You create a new report for your large team in Google Data Studio 360. The report uses Google BigQuery as its data source. It is company policy to ensure employees can view only the data associated with their region, so you create and populate a table for each region. You need to enforce the regional access policy to the data.

Which two actions should you take? (Choose two.)

Options:

A.

Ensure all the tables are included in global dataset.


B.

Ensure each table is included in a dataset for a region.


C.

Adjust the settings for each table to allow a related region-based security group view access.


D.

Adjust the settings for each view to allow a related region-based security group view access.


E.

Adjust the settings for each dataset to allow a related region-based security group view access.


Expert Solution
Questions # 33:

MJTelco needs you to create a schema in Google Bigtable that will allow for the historical analysis of the last 2 years of records. Each record that comes in is sent every 15 minutes, and contains a unique identifier of the device and a data record. The most common query is for all the data for a given device for a given day. Which schema should you use?

Options:

A.

Rowkey: date#device_idColumn data: data_point


B.

Rowkey: dateColumn data: device_id, data_point


C.

Rowkey: device_idColumn data: date, data_point


D.

Rowkey: data_pointColumn data: device_id, date


E.

Rowkey: date#data_pointColumn data: device_id


Expert Solution
Questions # 34:

You need to compose visualization for operations teams with the following requirements:

Telemetry must include data from all 50,000 installations for the most recent 6 weeks (sampling once every minute)

The report must not be more than 3 hours delayed from live data.

The actionable report should only show suboptimal links.

Most suboptimal links should be sorted to the top.

Suboptimal links can be grouped and filtered by regional geography.

User response time to load the report must be <5 seconds.

You create a data source to store the last 6 weeks of data, and create visualizations that allow viewers to see multiple date ranges, distinct geographic regions, and unique installation types. You always show the latest data without any changes to your visualizations. You want to avoid creating and updating new visualizations each month. What should you do?

Options:

A.

Look through the current data and compose a series of charts and tables, one for each possiblecombination of criteria.


B.

Look through the current data and compose a small set of generalized charts and tables bound to criteria filters that allow value selection.


C.

Export the data to a spreadsheet, compose a series of charts and tables, one for each possiblecombination of criteria, and spread them across multiple tabs.


D.

Load the data into relational database tables, write a Google App Engine application that queries all rows, summarizes the data across each criteria, and then renders results using the Google Charts and visualization API.


Expert Solution
Questions # 35:

MJTelco is building a custom interface to share data. They have these requirements:

They need to do aggregations over their petabyte-scale datasets.

They need to scan specific time range rows with a very fast response time (milliseconds).

Which combination of Google Cloud Platform products should you recommend?

Options:

A.

Cloud Datastore and Cloud Bigtable


B.

Cloud Bigtable and Cloud SQL


C.

BigQuery and Cloud Bigtable


D.

BigQuery and Cloud Storage


Expert Solution
Questions # 36:

To run a TensorFlow training job on your own computer using Cloud Machine Learning Engine, what would your command start with?

Options:

A.

gcloud ml-engine local train


B.

gcloud ml-engine jobs submit training


C.

gcloud ml-engine jobs submit training local


D.

You can't run a TensorFlow program on your own computer using Cloud ML Engine .


Expert Solution
Questions # 37:

Your company has recently grown rapidly and now ingesting data at a significantly higher rate than it was previously. You manage the daily batch MapReduce analytics jobs in Apache Hadoop. However, the recent increase in data has meant the batch jobs are falling behind. You were asked to recommend ways the development team could increase the responsiveness of the analytics without increasing costs. What should you recommend they do?

Options:

A.

Rewrite the job in Pig.


B.

Rewrite the job in Apache Spark.


C.

Increase the size of the Hadoop cluster.


D.

Decrease the size of the Hadoop cluster but also rewrite the job in Hive.


Expert Solution
Questions # 38:

Your company is running their first dynamic campaign, serving different offers by analyzing real-time data during the holiday season. The data scientists are collecting terabytes of data that rapidly grows every hour during their 30-day campaign. They are using Google Cloud Dataflow to preprocess the data and collect the feature (signals) data that is needed for the machine learning model in Google Cloud Bigtable. The team is observing suboptimal performance with reads and writes of their initial load of 10 TB of data. They want to improve this performance while minimizing cost. What should they do?

Options:

A.

Redefine the schema by evenly distributing reads and writes across the row space of the table.


B.

The performance issue should be resolved over time as the site of the BigDate cluster is increased.


C.

Redesign the schema to use a single row key to identify values that need to be updated frequently in the cluster.


D.

Redesign the schema to use row keys based on numeric IDs that increase sequentially per user viewing the offers.


Expert Solution
Questions # 39:

You want to use Google Stackdriver Logging to monitor Google BigQuery usage. You need an instant notification to be sent to your monitoring tool when new data is appended to a certain table using an insert job, but you do not want to receive notifications for other tables. What should you do?

Options:

A.

Make a call to the Stackdriver API to list all logs, and apply an advanced filter.


B.

In the Stackdriver logging admin interface, and enable a log sink export to BigQuery.


C.

In the Stackdriver logging admin interface, enable a log sink export to Google Cloud Pub/Sub, and subscribe to the topic from your monitoring tool.


D.

Using the Stackdriver API, create a project sink with advanced log filter to export to Pub/Sub, and subscribe to the topic from your monitoring tool.


Expert Solution
Questions # 40:

You are creating a model to predict housing prices. Due to budget constraints, you must run it on a single resource-constrained virtual machine. Which learning algorithm should you use?

Options:

A.

Linear regression


B.

Logistic classification


C.

Recurrent neural network


D.

Feedforward neural network


Expert Solution
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Viewing questions 31-40 out of questions