Download Oracle Cloud Platform Big Data Management 2018 Associate.1z0-928.TestKing.2019-10-01.34q.vcex

Vendor: Oracle
Exam Code: 1z0-928
Exam Name: Oracle Cloud Platform Big Data Management 2018 Associate
Date: Oct 01, 2019
File Size: 22 KB
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Demo Questions

Question 1
Which function is NOT a part of Kerberos?
  1. Kerberos offers Strong Authentication features.
  2. Kerberos authorizes SQL Access for Hive and Impala.
  3. Kerberos builds on symmetric key cryptography and requires a trusted third party.
  4. Kerberos works on the basis of tickets.
Correct answer: B
Question 2
You have a 3-Rack Hadoop Cluster and you have configured HDFS with the replication factor set to 3. All Racks and Nodes are up and running. 
Which is the correct Data Replica layout by default?
  1. One replica on one node in Local Rack1, another replica on a node in a remote Rack2, and the last replica on the fastest node in the cluster.
  2. One replica on one node in Local Rack1, another replica on a node in a remote Rack2, and the last replica on a different node in the same remote Rack2.
  3. One replica on one node in Local Rack1, another replica on a node in a remote Rack2, and the last replica on a different node in Local Rack1.
  4. One replica on one node in Local Rack1, another replica on a node in a remote Rack2, and the last replica on a node in the remote Rack3.
Correct answer: A
Question 3
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 network encryption?
  1. Direct TCP/IP
  2. HTTPS
  3. SSI
  4. Hadoop RPC
Correct answer: A
Question 4
Big Data Cloud has tools for easy provisioning, managing, and monitoring of Apache Hadoop clusters. Which component does Oracle Big Data Cloud use as the platform stack for cluster orchestration and provisioning?
  1. Cloudera Manager
  2. Apache Ambari
  3. MapR Control System
  4. Oracle Enterprise Manager
Correct answer: B
Question 5
ABC Media receives thousands of files every day from many sources. Each text-formatted file is typically 1-2 MB in size. They need to store all these files for at least two years. They heard about Hadoop and about the HDFS filesystem, and want to take advantage of the cost-effective storage to store the vast number of files. 
Which two recommendations could you provide to the customer to maintain the effectiveness of HDFS with the growing number of files?
  1. Consider breaking down files into smaller files before ingesting.
  2. Consider adding additional Name Nodes to increase data storage capacity.
  3. Reduce the memory available for namenode as 1-2 MB files don’t need a lot of memory.
  4. Consider concatenating files after ingesting.
  5. Use compression to free up space.
Correct answer: AE
Question 6
During provisioning, which can you create in order to integrate Big Data Cloud with Other Oracle PaaS services?
  1. Attachments
  2. Associations
  3. Couplings
  4. Data Pipelines
Correct answer: B
Question 7
You have easily and successfully created clusters 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?
  1. by using Stack Manager
  2. by using Oracle Enterprise Manager
  3. by using Platform Service Manager UI
  4. by using a Bootstrap script
Correct answer: D
Explanation:
Reference: https://docs.oracle.com/en/cloud/paas/big-data-compute-cloud/csspc/using-oracle-big-data-cloud.pdf
Reference: https://docs.oracle.com/en/cloud/paas/big-data-compute-cloud/csspc/using-oracle-big-data-cloud.pdf
Question 8
When you create a cluster, how many permanent nodes must you have before you can have edge nodes?
  1. One
  2. Two
  3. Five
  4. Four
  5. Three
Correct answer: D
Explanation:
Reference: https://docs.oracle.com/en/cloud/paas/big-data-cloud/csbdi/add-nodes-cluster.html#GUID-B6EDF7FB-A94A-4356-AF5E-C9307721F772
Reference: https://docs.oracle.com/en/cloud/paas/big-data-cloud/csbdi/add-nodes-cluster.html#GUID-B6EDF7FB-A94A-4356-AF5E-C9307721F772
Question 9
You are in a project with teams from other departments of the company. It is necessary to collaborate not only creative ideas but also the data with the other departments. In the Big Data Cloud Service, you need to copy data that is in very large files between HDFS on your cluster to their cloud storage. 
Which utility is more efficient for copying large data files?
  1. odcp
  2. ftp
  3. fastcopy
  4. scp
Correct answer: A
Explanation:
Reference: https://docs.oracle.com/en/cloud/paas/big-data-cloud/csbdi/copy-data-odcp.html#GUID-AE8587AF-6538-43A6-A2F3-52D63E287788
Reference: https://docs.oracle.com/en/cloud/paas/big-data-cloud/csbdi/copy-data-odcp.html#GUID-AE8587AF-6538-43A6-A2F3-52D63E287788
Question 10
Oracle Big Data Cloud provides a ready-to-use, open source Notebook utility you can use to create and code interactive exploratory analytical visualizations. What is the name of that Notebook utility?
  1. Jupiter
  2. Beaker Notebook
  3. Zeppelin Notebook
  4. Oracle Analytics Cloud
Correct answer: C
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