Free Oracle 1z1-449 Exam Dumps Questions & Answers

You are attempting to start KVLite but get an error about the "port being in use".
What is the reason for the error?

• A.KVStore was also running, and KVStore and KVLite cannot run simultaneously on the same server.
• B.The listener was not started.
• C.The port was not specified so the default port 3889 (the same port as Enterprise Manager) was used.
• D.KVLite was trying to register on port 5000 when it was already running.

During a meeting with your customer's IT security team, you are asked the names of the main OS users and groups for the Big Data Appliance.
Which users are created automatically during the installation of the Oracle Big Data
Appliance?

• A.mapred, bda, and engsys
• B.hbase, cdh5, and oracle
• C.flume, hbase, and hdfs
• D.bda, cdh5, and oracle

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.Export data from Hive by using export/import.
• D.Use Apache Sentry.

How does increasing the number of storage nodes and shards impact the efficiency of
Oracle NoSQL Database?

• A.Having more shards results in reduced read throughput because of increased node forwarding.
• B.Having more shards reduces the write throughput because of increased node forwarding.
• C.The number of shards or storage nodes does not impact performance.
• D.Having more shards increases the write throughput because more master nodes are available for writes.

Which parameter setting will force Impala to execute queries only on the coordinator node?

• A.DISABLE_UNSAFE_SPILLS=TRUE
• B.NUM_SCANNER_THREADS=1
• C.SYNC_DDL=TRUE
• D.NUM_NODES=1