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Free Oracle 1Z0-1105-23 Exam Questions (page: 3)

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PDF with 79 Questions

The Oracle Cloud Infrastructure (OCI) Data Catalog is an integral part of the Lakehouse so-lution.
What level of data detail does Data Catalog provide when integrated with Autonomous Databases and Object storage?

  1. View of data for discovery
  2. Data Warehouse
  3. Source of managed services
  4. Analytic environments

Answer(s): A

Explanation:

View of data for discovery is the level of data detail that Data Catalog provides when integrated with Autonomous Databases and Object storage. According to the Oracle documentation, "Oracle Cloud Infrastructure Data Catalog is a fully managed, self-service data discovery and governance solution for your enterprise data. Data Catalog helps you maximize the value of your data assets by providing a rich set of capabilities that enable you to discover, explore, organize, enrich, and trace data lineage on various types of data sources." Data Catalog provides a view of data for discovery by using metadata to create an informative and searchable inventory of all data assets in an organization.



Which are two characteristics of Autonomous Transaction Processing (ATP)? (Choose all correct answers)

  1. Focuses on creation of indexes
  2. Stores data in columnar format
  3. Statistics are gathered as part of bulk load operations
  4. Optimized for response time
  5. Creates autonomous data summaries

Answer(s): A,D

Explanation:

Focuses on creation of indexes and optimized for response time are two characteristics of Autonomous Transaction Processing (ATP). According to the Oracle documentation, "Autonomous Transaction Processing is a database service that is optimized for transaction processing or mixed workloads. It delivers the best experience for mission-critical applications that require high performance, high concurrency, and low latency. Autonomous Transaction Processing automatically creates indexes, materialized views, and partitions based on the workload." Additionally, according to the Oracle documentation, "Autonomous Transaction Processing is optimized for response time. It uses a combination of caching, in-memory columnar format, and result set caching to deliver fast response times."



What is the Oracle recommended way to upgrade databases?

  1. Database Upgrade Assistant (DBUA)
  2. Data Pump Export/Import
  3. Command Line Upgrade
  4. AutoUpgrade

Answer(s): D

Explanation:

AutoUpgrade is the Oracle recommended way to upgrade databases. According to the Oracle documentation, "AutoUpgrade is an Oracle-supplied tool that automates the upgrade process for Oracle Database releases 12.2, 18c, and 19c. AutoUpgrade can upgrade multiple databases in parallel and can also perform cross-platform migrations. AutoUpgrade is the recommended tool for upgrading your database."



Which Lakehouse service should you use for serverless Spark processing?

  1. OCI Data Flow
  2. Oracle Analytics Cloud
  3. OCI Object Storage
  4. OCI Data Catalog

Answer(s): A

Explanation:

OCI Data Flow is the Lakehouse service that you should use for serverless Spark processing. According to the Oracle documentation, "Oracle Cloud Infrastructure Data Flow is a fully managed big data service that lets you run Apache Spark applications with no infrastructure to deploy or manage. Data Flow lets you create, run, and manage Apache Spark applications with minimal coding and no infrastructure provisioning or management."



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