Oracle 1z1-449 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z1-449
Exam Name/Title: Oracle Big Data 2017 Implementation Essentials
Certification Provider: Oracle
Corresponding Certification: Oracle Big Data Appliance

Exam Questions: 72
Updated On: Jul 10, 2026

Question #9

Your customer's Oracle NoSQL store has a replication factor of 3. One of the customer's replica nodes goes down.
What will be the long-term performance impact on the customer's NoSQL database if the node is replaced?

A. The database read and write performance will be impacted.

B. The database write performance will be impacted.

C. There will be no performance impact.

D. The database read performance will be impacted.

E. The database will be unavailable for reading or writing.

Discussion 0

Correct Answer: A Vote an answer

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Question #10

Your customer completed all the Kerberos installation prerequisites when the Big Data
Appliance was set up. However, when the customer tries to use Kerberos authentication, it gets an error.
Which command did the customer fail to run?

A. bdacli enable kerberos

B. bdasetup kerberos

C. install.sh -option kerberos

D. emcli enable kerberos

Discussion 0

Correct Answer: A Vote an answer

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Question #11

Your customer's IT staff is made up mostly of SQL developers. Your customer would like you to design a system to analyze the spending patterns of customers in the web store.
The data resides in HDFS.
What tool should you use to meet their needs?

A. Oracle Data Integrator

B. Apache Hive

C. SQL Developer

D. Oracle Database 12c

E. MapReduce

Discussion 0

Correct Answer: C Vote an answer

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Question #12

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

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

B. The file system is written in Java.

C. The file system is written in C#.

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

Discussion 0

Correct Answer: A,B Vote an answer

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Question #13

Which user in the following set of ACL entries has read, write and execute permissions? user::rwx group::r-x other::r-x
default:user::rwx
default:user:bruce:rwx #effective:r-x
default:group::r-x
default:group:sales:rwx #effective:r-x
default:mask::r-x
default:other::r-x

A. bruce

B. all users

C. sales

D. user

E. hdfs

Discussion 0

Correct Answer: D Vote an answer

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Question #14

The log data for your customer's Apache web server has seven string columns.
What is the correct command to load the log data from the file 'sample.log' into a new Hive table LOGS that does not currently exist?

A. hive> create table logs as load sample.1og from hadoop;

B. hive> LOAD DATA LOCAL INPATH 'sample.log' OVERWRITE INTO TABLE logs;hive>
CREATE TABLE logs (t1 string, t2 string, t3 string, t4 string, t5 string, t6 string, t7 string)
ROW FORMAT DELIMITED FIELDS TERMINATED BY ' ';

C. hive> CREATE TABLE logs (t1 string, t2 string, t3 string, t4 string, t5 string, t6 string, t7 string) ROW FORMAT DELIMITED FIELDS TERMINATED BY ' ';hive> LOAD DATA
LOCAL INPATH 'sample.log' OVERWRITE INTO TABLE logs;

D. hive> create table logs as select * from sample.log;

E. hive> CREATE TABLE logs (t1 string, t2 string, t3 string, t4 string, t5 string, t6 string, t7 string) ROW FORMAT DELIMITED FIELDS TERMINATED BY ' ';

Discussion 0

Correct Answer: C Vote an answer

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Question #15

Your customer is spending a lot of money on archiving data to comply with government regulations to retain data for 10 years.
How should you reduce your customer's archival costs?

A. Move the data into the warehousing database.

B. Denormalize the data.

C. Offload the data into Hadoop.

D. Use Oracle Data Integrator to improve performance.

Discussion 0

Correct Answer: C Vote an answer

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Question #16

How does the Oracle SQL Connector for HDFS access HDFS data from the Oracle database?

A. external tables

B. NoSQL tables

C. Data Pump files

D. non-partitioned tables

E. Apache Sqoop files

Discussion 0

Correct Answer: C Vote an answer

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