Online Access Free 1z1-449 Practice Test

Which command should you use to view the contents of the HDFS directory,
/user/oracle/logs?

• A.hive> select * from /user/oracle/logs
• B.cd /user/oraclehadoop fs -ls logs
• C.cd /user/oracle/logshadoop fs -ls *
• D.hadoop fs -ls /user/oracle/logs
• E.hadoop fs -cat /user/oracle/logs
• F.hadoop fs -listfiles /user/oracle/logs

The hdfs_stream script is used by the Oracle SQL Connector for HDFS to perform a specific task to access data.
What is the purpose of this script?

• A.It is the preprocessor script for the Oracle partitioned table.
• B.It is the preprocessor script for the Impala table.
• C.It defines the jar file that points to the directory where Hive is installed.
• D.It is the streaming script that creates a database directory.
• E.It is the preprocessor script for the HDFS external table.

Your customer uses Active Directory to manage user accounts. You are setting up Hadoop
Security for the customer's Big Data Appliance.
How will you integrate Hadoop and Active Directory?

• A.Configure Active Directory to use Kerberos' Key Distribution Center.
• B.Set up a one-way cross-realm trust from the Active Directory realm to the Kerberos realm.
• C.Set up a one-way cross-realm trust from the Kerberos realm to the Active Directory realm.
• D.Set up Kerberos' Key Distribution Center to be the Active Directory keystore.

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.dbmcli enable big_data_sql
• B.mammoth bds=TRUE
• C.bdacli enable big_data_sql
• D.emcli enable big_data_sql
• E.mammoth big_data_sql=TRUE

Your customer has an older starter rack Big Data Appliance (BDA) that was purchased in
2013. The customer would like to know what the options are for growing the storage footprint of its server.
Which two options are valid for expanding the customer's BDA footprint? (Choose two.)

• A.Racks manufactured before 2014 are no longer eligible for expansion.
• B.Elastically expand the footprint by adding additional Big Data Oracle Database Servers.
• C.Elastically expand the footprint by adding additional Big Data Storage Servers.
• D.Upgrade to a full 18-node Big Data Appliance.
• E.Elastically expand the footprint by adding additional high capacity nodes.