Free Microsoft 70-777 Exam Dumps Questions & Answers

You create an Azure Cosmos DB account named Account1 that uses the MongoDB API.
In Account1 you create a database named DB1 that contains a collection named Coll1.
You plan to migrate content from an on-premises MongoDB database to Coll1.
You need to identify the latency from the on-premises MongoDB database to Account1.
What should you do first?

• A.  Run mongoimport.exe
• B.  Run mongoexport.exe
• C.  From MongoDB Shell, run Mongo, setReadPref.
• D.  From MongoDB Shell, run setverboseShell,

You have a binary dump of a MongoDB database
You need to migrate the database to Azure Cosmos DB
What should you use?

• A.  mongorestore.exe
• B.  mongomirror.exe
• C.  the Cosmos DB Data Migration Tool
• D.  mongoimport.exe

You have an Azure Cosmos DB account named Account1 that uses the SQL APL Account1 contains a collection named Coll1.
You have an Apache Spark cluster in Azure HDInsight. The cluster is located in the same Azure region as Account1.
You plan to use the Spark to Cosmos DB connector to access Coll1 partitions from Spark worker nodes.
You install the JAR files of the Spark to Cosmos DB connector.
You need to run queries against Coll1 from within a Spark session by using the connector.
In which order should you perform the actions? To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.

Correct Answer:

You have an Azure Cosmos DB account named Account1 that uses the SQL API Account1 contains a collection named Coll1.
You have an Apache Spark duster in Azure HDInsight. The cluster is located in the same Azure region as Account1
You configure a Spark to Cosmos DB connector to access Coll1
You run a SparkSQL query against Coll1.
You need to minimize the number of round trips between the Spark duster worker nodes and Coll1 when fetching the query results.
What should you do?

• A.  Modify the indexing policy of Coll1.
• B.  Modify the query_pagesize setting of the connector.
• C.  Modify the query_maxdegreeofparallelism setting of the connector.
• D.  Modify the query_enablescan setting of the connector.

You have an Azure Cosmos DB account named Account1 that uses the SQL APL Account1 contains a collection named Coll1.
You have an Apache Spark duster in Azure HDInsight. The cluster is located in the same Azure region as Account1.
You need to develop Python-based code. The code must execute a query that uses predicate filters against Coll1 and converts the results into a Spark DataFrame.
in which order should you perform the actions? To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.

Correct Answer: