Oracle 1z0-449 Exam Questions

Question 6 of 72

How should you encrypt the Hadoop data that sits on disk?

Enable Transparent Data Encryption by using the Mammoth utility.

Enable HDFS Transparent Encryption by using bdacli on a Kerberos-secured cluster.

Enable HDFS Transparent Encryption on a non-Kerberos secured cluster.

Enable Audit Vault and Database Firewall for Hadoop by using the Mammoth utility.

Correct Answer: B

Question 7 of 72

What two things does the Big Data SQL push down to the storage cell on the Big Data Appliance? (Choose two.)

Transparent Data Encrypted data

the column selection of data from individual Hadoop nodes

WHERE clause evaluations

PL/SQL evaluation

Business Intelligence queries from connected Exalytics servers

Correct Answer: A, B

Question 8 of 72

You want to set up access control lists on your NameNode in your Big Data Appliance. However, when you try to do so, you get an error stating "the NameNode disallows creation of ACLs."
What is the cause of the error?

During the Big Data Appliance setup, Cloudera's ACLSecurity product was not installed.

Access control lists are set up on the DataNode and HadoopNode, not the NameNode.

During the Big Data Appliance setup, the Oracle Audit Vault product was not installed.

dfs.namenode.acls.enabled must be set to true in the NameNode configuration.

Correct Answer: D

Question 9 of 72

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 customers BDA footprint? (Choose two.)

Elastically expand the footprint by adding additional high capacity nodes.

Elastically expand the footprint by adding additional Big Data Oracle Database Servers.

Elastically expand the footprint by adding additional Big Data Storage Servers.

Racks manufactured before 2014 are no longer eligible for expansion.

Upgrade to a full 18-node Big Data Appliance.

Correct Answer: D, E

Question 10 of 72

What are three correct results of executing the preceding query? (Choose three.)

Values longer than 100 characters for the DESCRIPTION column are truncated.

ORDER_LINE_ITEM_COUNT in the HDFS file matches ITEM_CNT in the external table.

ITEM_CNT in the HDFS file matches ORDER_LINE_ITEM_COUNT in the external table.

Errors in the data for CUST_NUM or ORDER_NUM set the value to INVALID_NUM.

Errors in the data for CUST_NUM or ORDER_NUM set the value to 0000000000.

Values longer than 100 characters for any column are truncated.

Correct Answer: A, C, D