1z1-449 by Oracle Actual Free Exam Questions And Answers

Question 1

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

A. Berkeley DB

B. Oracle Database

C. Hadoop

D. Oracle NoSQL

Discussion 0

Correct Answer: C Vote an answer

Question 2

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?

A. mammoth big_data_sql=TRUE

B. bdacli enable big_data_sql

C. dbmcli enable big_data_sql

D. emcli enable big_data_sql

E. mammoth bds=TRUE

Discussion 0

Correct Answer: B Vote an answer

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Question 3

What two actions do the following commands perform in the Oracle R Advanced Analytics for Hadoop Connector? (Choose two.) ore.connect (type="HIVE") ore.attach ()

A. Attach the Hadoop libraries to R.

B. Connect to Hive.

C. Connect to NoSQL via Hive.

D. Attach the current environment to the search path of R.

Discussion 0

Correct Answer: B,D Vote an answer

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Question 4

Your customer is using the IKM SQL to HDFS File (Sqoop) module to move data from
Oracle to HDFS. However, the customer is experiencing performance issues.
What change should you make to the default configuration to improve performance?

A. Change the ODI configuration to high performance mode.

B. Change the HDFS server I/O settings to duplex mode.

C. Increase the number of Sqoop mappers.

D. Add additional tables.

Discussion 0

Correct Answer: C Vote an answer

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Question 5

Your customer needs to move data from Hive to the Oracle database but does have any connectors purchased.
What is another architectural choice that the customer can make?

A. Use Apache Sqoop.

B. Use Apache Pig.

C. Use Apache Sentry.

D. Export data from Hive by using export/import.

Discussion 0

Correct Answer: A Vote an answer

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Question 6

Identify two features of the Hadoop Distributed File System (HDFS). (Choose two.)

A. The file system is written in Java.

B. It consists of Mappers, Reducers, and Combiners.

C. It is written to store large amounts of data.

D. The file system is written in C#.

Discussion 0

Correct Answer: A,C Vote an answer

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Question 7

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?

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

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

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

D. A Hive table called SALES_HIVE_XTAB is created.

Discussion 0

Correct Answer: C Vote an answer

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Question 8

Your customer keeps getting an error when writing a key/value pair to a NoSQL replica.
What is causing the error?

A. The master may be in read-only mode and as result, writes to replicas are not being allowed.

B. The replica is in read-only mode.

C. The data file for the replica is corrupt.

D. The writes must be done to the master.

E. The replica may be out of sync with the master and is not able to maintain consistency.

Discussion 0

Correct Answer: D Vote an answer

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Oracle Big Data 2017 Implementation Essentials - 1z1-449 Exam Practice Test

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