Oracle Cloud Platform Big Data Management 2018 Associate (1Z0-928) Free Practice Test

Question 1

What IB the optimal way in Event Hub Cloud Service to stream data Into Object Storage?

A. Use Kalka connectors.

B. Use the external database system to push the data to the object store

C. H is not possible to stream data to object store.

D. Use block storage as temporary data landing.

Correct Answer: A

Question 2

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. CountByKey ( )

B. ReduceByKey

C. Coalesce ( )

D. Filter

E. Map ( )

Correct Answer: A

Question 3

Which function CANNOT be performed using Sentry?

A. ability to create OS users and control access on data for OS users

B. ability to control access to data and/or privileges on that data for authenticated users

C. ability to control/apply template-based privileges based on functional roles

D. ability to give users access to a subset of data

Correct Answer: C

Question 4

Which function is NOT a part of Kerberos?

A. Kerberos builds on symmetric key cryptography and requires a trusted third party.

B. Kerberos works on the basis of tickets.

C. Kerberos offers Strong Authentication features.

D. Kerberos authorizes SQL Access for Hive and Impala.

Correct Answer: D

Question 5

You have data in large flies you need to copy from your Hadoop HDFS to other storage providers. You decided to use I he Oracle Big Data Cloud Service distributed-copy utility odcp.
As odcp is compatible with Cloudera Distribution Including Apache Hadoop, which four are supported when copying files?

A. Oracle Cloud Infrastructure Object Storage

B. Hypertext Transfer Protocol (HTTP)

C. Apache Sqoop

D. Secure WebHDFS (SWebHDFS)

E. Apache Hadoop Distributed File Service (HDFS)

F. Apache Flume

Correct Answer: A,B,D,E

Question 6

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. You need to reboot the Hadoop CLUSTER to reinstate access to users.

B. A valid Kerberos exists hut you need to initialize it using the KINIT command.

C. You are on wrong node. The hdfs dfs -1s command can only be executed form the Name Node.

D. You need to obtain a valid Kerberos ticket by executing the KINIT command.

Correct Answer: D

Question 7

Which methods of Kafka deployment on Oracle Cloud does- NOT provide SSH access?

A. Oracle Event Hub Cloud Service-Dedicated associated with Big Data Cloud

B. Oracle Event Hub Cloud Service Dedicated (Kafka as a service)

C. Customer installed Kafka on Oracle Cloud Infrastructure

D. Oracle Event Hub Cloud Service (Multi tenant Version)

Correct Answer: D

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Oracle Cloud Platform Big Data Management 2018 Associate (1Z0-928) Free Practice Test