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Oracle 1Z0-449 Exam Questions
- Topic 1: Describe Oracle Big Data Appliance security and encryption features/ Implement the Hadoop Distributed File System
- Topic 2: Integrate an Oracle NoSQL database with an Oracle database and Hadoop/ Describe how Big Data Appliance integrates with Exadata and Exalytics
- Topic 3: Describe the architectural components of MapReduce/ Identify the benefits of the Hadoop Distributed File System (HDFS)
- Topic 4: Use LDAP and the Active directory for Hadoop access control/ Describe the architectural components of the Big Data Appliance
- Topic 5: Use Oracle Xquery with Hadoop-Hive to map an XML file into a Hive table/ Explain the business drivers behind Big Data and NoSQL versus Hadoop
- Topic 6: Describe the importance of Namenode, Datanode, JobTracker, TaskTracker in Hadoop/ Describe the differences between MapReduce and YARN
- Topic 7: Describe the Big Data Discovery and Big Data Spatial and Graph solutions/ Implement an Oracle Database connection with Oracle R Enterprise
- Topic 8: Describe the architectural components of Oracle R Advanced Analytics for Hadoop/ Describe the Impala real-time query and explain how it differs from Hive
- Topic 9: Demonstrate Big Data SQL syntax used in create table statements/ Implement the Oracle Table Access for a Hadoop Connector
- Topic 10: Describe the Oracle R Advanced Analytics for a Hadoop connector/ Implement the data flow mechanism used in Flume
Free Oracle 1Z0-449 Exam Actual Questions
Note: Premium Questions for 1Z0-449 were last updated On 16-02-2021 (see below)
You are attempting to start KVLite but get an error about the ''port being in use''.
What is the reason for the error?
What are three correct results of executing the preceding query? (Choose three.)
com.oracle.bigdata.overflow: Truncates string data. Values longer than 100 characters for the DESCRIPTION column are truncated.
com.oracle.bigdata.overflow: Truncates string data. Values longer than 100 characters for the DESCRIPTION column are truncated.
com.oracle.bigdata.erroropt: Replaces bad data. Errors in the data for CUST_NUM or ORDER_NUM set the value to INVALID_NUM.
References:
https://docs.oracle.com/cd/E55905_01/doc.40/e55814/bigsql.htm#BIGUG76679
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.)
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?
To use ACLs, first you'll need to enable ACLs on the NameNode by adding the following configuration property to hdfs-site.xml and restarting the NameNode.
References:
https://hortonworks.com/blog/hdfs-acls-fine-grained-permissions-hdfs-files-hadoop/
What two things does the Big Data SQL push down to the storage cell on the Big Data Appliance? (Choose two.)
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