Free Oracle 1Z1-928 Exam Dumps Questions & Answers

You need to enforce network encryption, as Kerberos Authentication does, not protect data as it travels through the network. Hadoop being a distributed system means that data must be transmitted over the network across machines.
Which is NOT a network communication protocol used for network encryption?

• A.Direct TCP/IP
• B.SSL
• C.HTTPS
• D.Hadoop RPC

You execute the command hdfs dfs -1s to view the directory listing on the Edge/Gateway node in a secured cluster, but get an error.
You were able to execute the same command successfully 24 hours ago. No changes have been mode to the user or the infrastructure.
How do you fix the problem?

• A.A valid Kerberos exists hut you need to initialize it using the KINIT command.
• B.You are on wrong node. The hdfs dfs -1s command can only be executed form the Name Node.
• C.You need to obtain a valid Kerberos ticket by executing the KINIT command.
• D.You need to reboot the Hadoop CLUSTER to reinstate access to users.

You have easily and successfully created with the Oracle Big Data Cloud wizard. You want to create a cluster that will be very specific to the needs of your business.
How would you customize Oracle Big Data Cloud clusters during provisioning?

• A.by using Stack Manger
• B.by using Platform Service Manage UI
• C.by using Oracle Enterprise Manager
• D.by using a Bootstrap script

On which open-source processing engine is Oracle Big Data Cloud (BDC. Strategy based on?

• A.Apache Flink Scalable Batch and Stream Data Processing
• B.Spark
• C.Apache Storm
• D.Apache Apex

You are a Spark developer using Spark RDDs for data processing. You realize Resilient Distributed Data Sets (RDDs) are evaluated lazily.
Which function do you need to execute to materialize RODS?

• A.Coalesce ( )
• B.Map ( )
• C.ReduceByKey
• D.CountByKey ( )
• E.Filter