Oracle 1Z0-449 Exam Dumps - Updated Feb 2021

Question 1

Which parameter setting will force Impala to execute queries only on the coordinator node?

ADISABLE_UNSAFE_SPILLS=TRUE

BSYNC_DDL=TRUE

CNUM_NODES=1

DNUM_SCANNER_THREADS=1

Question 2

Your customer has a requirement to use Oracle Database to access and analyze the data that resides in Apache Hadoop.

What is the result of executing the following command when using Oracle SQL Connector for Hadoop?

AAn external table called SALES_HIVE_XTAB is created to read data from a Hive table.

BA Hive table called SALES_HIVE_XTAB is created.

CHadoop is configured over JDBC to connect to the Oracle database by using Big Data SQL.

DAn external table called SALES_HIVE_XTAB is created to write data from a Hadoop table.

Question 3

Your customer has purchased Big Data SQL and wants to set it up to access its Big Data Appliance Hadoop and Oracle Exadata Database Server.

How should you enable Oracle Big Data SQL on the Big Data Appliance post installation?

Amammoth bds=TRUE

Bmammoth big_data_sql=TRUE

Cdbmcli enable big_data_sql

Demcli enable big_data_sql

Ebdacli enable big_data_sql

Question 4

Your customer needs to analyze large numbers of log files after combining them with customer profile and interaction dat

a. The customer wants to be able to analyze these files back to their go-live date, which was last October.

Which solution should you choose to accomplish this?

AOracle Database

BHadoop

CBerkeley DB

DOracle NoSQL

Question 5

Your customer wants to implement the Oracle Table Access for a Hadoop Connector (OTA4H) to connect the Hadooop cluster to the Oracle database. The customer's Oracle Database is a Real Application Clusters database.

How should you configure the database listener?

AThe database listener is configured to route requests to the designated 'hadoop' node in the listener's service definition.

BThe database listener is configured to route the Hadoop connection requests to the available nodes randomly, provided that the RAC-aware service name is specified in the JDBC URL.

CThe database listener is configured to route the Hadoop connection requests to the first node the RAC cluster because clustered environments are not inherently supported.

DConnecting to a RAC database is not supported.

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