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Every candidate studies differently, so Actualtests4sure offers the Oracle Big Data 2017 Implementation Essentials practice questions in three formats: a printable PDF, a desktop test engine for Windows, and an online test engine that runs in any browser. Pick the one that fits your routine and start working through 72 questions today.

Oracle 1z1-449 Exam Overview:

Certification Vendor:Oracle
Exam Name:Oracle Big Data 2017 Implementation Essentials
Exam Number:1Z0-449
Exam Duration:120 minutes
Related Certifications:Oracle Data Management Certifications
Oracle Big Data Implementation Specialist
Exam Format:Multiple Choice, Multiple Response
Available Languages:English
Certificate Validity Period:Typically 18c-era certification; current status may be retired or legacy
Real Exam Qty:60-70
Passing Score:65%
Exam Price:USD 245
Recommended Training:Hadoop and Big Data Training (Oracle University)
Oracle Big Data Learning Path
Exam Registration:Pearson VUE Oracle Exams
Oracle Certification Portal
Sample Questions:Oracle 1z1-449 Sample Questions
Exam Way:Online proctored or Pearson VUE test center
Pre Condition:No formal prerequisites required, but familiarity with Hadoop ecosystem and data engineering concepts is recommended.
Official Syllabus URL:https://education.oracle.com/

Oracle 1z1-449 Exam Syllabus Topics:

SectionObjectives
Topic 1: Security and Administration- Security and cluster management
  • 1. Authentication and authorization in Hadoop
    • 2. Cluster monitoring and administration
      Topic 2: Big Data Storage- HDFS and storage systems
      • 1. Data locality principles
        • 2. HDFS architecture and replication
          Topic 3: Data Ingestion and Integration- Data ingestion frameworks
          • 1. Flume event ingestion basics
            • 2. Sqoop data transfer concepts
              Topic 4: Data Analytics and Querying- Analytical tools and querying
              • 1. Big Data SQL concepts
                • 2. Hive query concepts
                  Topic 5: Data Processing- Batch and stream processing
                  • 1. MapReduce processing model
                    • 2. Spark-based processing concepts
                      Topic 6: Big Data Fundamentals- Big Data concepts and architecture
                      • 1. Hadoop ecosystem overview
                        • 2. 3 Vs of Big Data (Volume, Velocity, Variety)

                          Common Questions About the Oracle Big Data 2017 Implementation Essentials Exam

                          The Oracle 1z1-449 exam, officially titled Oracle Big Data 2017 Implementation Essentials, is the required test for earning the Oracle Big Data Implementation Specialist (2017 track) certification, a credential at the Professional level. Passing it validates the skills Oracle expects from certified professionals, and it can also support progress toward related credentials such as Oracle Big Data Implementation Specialist, Oracle Data Management Certifications.

                          The 1z1-449 exam includes 60-70 questions, and you have 120 minutes to complete it. Before exam day, divide the available time by the question count so you know the pace you need to hold, and practice flagging time-consuming items for review instead of stalling on a single question. Timed sessions in the Actualtests4sure test engine are the easiest way to build that rhythm before it counts.

                          You need 65% to pass the 1z1-449 exam, and the official registration fee is USD 245. Keep in mind that a failed attempt means paying that fee in full again for a retake, so avoid booking your seat on a hunch. Work through the Actualtests4sure practice test until your scores sit comfortably above the passing requirement before you schedule the exam.

                          Oracle asks candidates to meet the following requirement before registering: No formal prerequisites required, but familiarity with Hadoop ecosystem and data engineering concepts is recommended.. Exam policies do change, so confirm the latest details on the official exam page at https://education.oracle.com/ before you book.

                          You can book your seat through the official registration channels below:

                          The 1z1-449 exam is delivered in the following format: Online proctored or Pearson VUE test center.

                          Oracle recommends the following official training for this exam:

                          A course builds the theory; practice turns it into exam-day performance. Once you finish a class, the 72 practice questions from Actualtests4sure show you how the same knowledge appears in exam-style items.

                          Yes. Actualtests4sure offers a free PDF demo of the Oracle Big Data 2017 Implementation Essentials practice questions, so you can judge the quality and format before purchasing. After you buy, your purchase includes 365 days of free updates; if the product expires after that period, you can extend the update service at a 50% discount from your member zone.

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                          The Oracle Big Data 2017 Implementation Essentials exam is organized into 6 major domains. Some of the key domains include:

                          • Big Data Fundamentals
                          • Data Ingestion and Integration
                          • Data Analytics and Querying

                          Scroll up to the Exam Topics section for the complete breakdown, and use it to plan how much study time each domain deserves.

                          Oracle Big Data 2017 Implementation Essentials Sample Questions:

                          Question 1

                          Your customer wants to architect a system that helps to make real-time recommendations to users based on their past search history.
                          Which solution should the customer use?

                          A. Oracle Exadata
                          B. Oracle Data Integrator
                          C. Oracle NoSQL
                          D. Oracle Container Database


                          Question 2

                          Your customer wants to implement the Oracle Table Access for a Hadoop Connector
                          (OTA4H) to connect the Hadooop cluster to the Oracle database. The customer's Oracle
                          Database is a Real Application Clusters database.
                          How should you configure the database listener?

                          A. The database listener is configured to route the Hadoop connection requests to the available nodes randomly, provided that the RAC-aware service name is specified in the
                          JDBC URL.
                          B. Connecting to a RAC database is not supported.
                          C. The database listener is configured to route requests to the designated "hadoop" node in the listener's service definition.
                          D. The database listener is configured to route the Hadoop connection requests to the first node the RAC cluster because clustered environments are not inherently supported.


                          Question 3

                          For Oracle R Advanced Analytics for Hadoop to access the data stored in HDFS, what must the input files comply with?

                          A. Oracle R Advanced Analytics does not have any restrictions on input files.
                          B. Only files with tab delimiters are supported.
                          C. All the input files for a MapReduce job must be stored in one directory as part of one logical file.
                          D. Only input files with an underscore (_) are processed.


                          Question 4

                          Your customer's Hadoop cluster displays an error while running a MapReduce task by using Yarn. The error states that a container could not be created.
                          Which resource in Yarn creates containers?

                          A. Resource Manager
                          B. Node Manager
                          C. MasterNode
                          D. NameNode
                          E. Task Tracker


                          Question 5

                          Your customer is worried that the redundancy of HDFS will not meet its needs. The customer needs to store certain files with higher levels of redundancy than other files.
                          Which architectural feature of HDFS should you choose?

                          A. the replication factor, which can be set at the file level
                          B. Automatic Storage Management, which can be used to multiplex the data
                          C. Apache Impala, which can be used to set the duplex level for each file
                          D. Apache Scala on top of MapReduce, which allows you to store files at various redundancies


                          Solutions:

                          Question 1
                          Answer: B
                          Question 2
                          Answer: A
                          Question 3
                          Answer: C
                          Question 4
                          Answer: B
                          Question 5
                          Answer: A

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