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A series of multiple-choice questions and answers related to the databricks lakehouse platform. It covers key concepts such as delta lake, unity catalog, databricks sql, and databricks machine learning. A basic understanding of the platform's architecture, features, and use cases.
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What does the Databricks Lakehouse Platform provide to data teams? - ✔✔One centralized user interface so that data practitioners work in the same environment Where does Delta Lake fit into the Databricks Lakehouse Platform? - ✔✔ It runs under the hood of the Databricks Lakehouse Platform to power queries run It works in an organization's data warehouse to help migrate data into a data lake It sits on top of an organization's open data lake and provides structure to the many types of data stored within that data lake It works in concert with existing tools to bring auditing and sharing capabilities to data shared across organizations What is true about an organization's data when they use Databricks? - ✔✔Data that is stored while it's being processed by Databricks is always encrypted Which statement is true about queries run from Databricks SQL? - ✔✔They automatically connect to business intelligence tools without the need for additional configuration What describes how the Databricks Lakehouse Platform functions within an organization, at a high level?
The Lakehouse was created by combining the most useful elements of which data management strategies? - ✔✔Data lakes and data warehouses One of the key features delivered by the Databricks Lakehouse platform is that data storage is decoupled from compute. What is a direct benefit of decoupling storage from compute? - ✔✔The cost of storage and compute are managed separately and can be scaled to accommodate more concurrent users or larger datasets independently Delta Lake improves data performance through indexing. What does this refer to? - ✔✔Ensuring that data can only be accessed by users who should have access Ordering table data to maximize query efficiency Structuring queries to act as if they are performed in a single operation Enforcing data constraints to satisfy business requirements What is the access point to the Databricks Lakehouse Platform for machine learning practitioners? - ✔✔Databricks Data Science and Engineering Workspace Databricks Delta Lake Databricks Machine Learning Databricks SQL What are the primary services that comprise the Databricks Lakehouse Platform? - ✔✔Unity Catalog, Databricks Notebooks, Databricks Repos Databricks SQL, Apache Spark, Delta Lake Databricks SQL, Databricks Machine Learning, Databricks Data Science and Data Engineering Workspace Delta Lake, Apache Spark, Databricks Security & Governance Where does Databricks Machine Learning fit into the Databricks Lakehouse Platform? - ✔✔It is one of the core services of the Lakehouse Platform, tailored towards data practitioners who need to query data and publish visual insights It is one of the core services of the Lakehouse Platform, tailored towards data practitioners who need to manage users and workspace governance
It ensures data quality by rejecting writes to a data table that do not match the way that data is structured and organized in that table It ensures data quality by rejecting data ingestion into an organization if a dataset's metadata doesn't contain adequate details, as defined by an organization It guarantees data freshness by eliminating duplicative data found within a database Which is true about Databricks? - ✔✔It provides organizations with a collaborative platform to work with big data, and is primarily aimed at data engineers, data scientists, data analysts, and machine learning practitioners It provides organizations with robust data warehouses and is primarily aimed at data engineers and data architects It provides organizations with out-of-the-box solutions for managing IT infrastructure and is primarily aimed at IT administrators It provides organizations with open data lakes and robust data warehouses, primarily aimed at administrators of big data infrastructure What is the access point to the Databricks Lakehouse platform for business analysts? - ✔✔Databricks Machine Learning Databricks SQL Databricks Data Science and Engineering Workspace Databricks Delta Lake What is the access point to the Databricks Lakehouse platform for data engineers? - ✔✔Databricks SQL Databricks Data Science and Engineering Workspace Databricks Machine Learning Databricks Delta Lake Which statement holistically describes a Lakehouse? - ✔✔It is the latest data management paradigm that combines elements from data warehouses and data lakes It is a unified analytics platform used for data management, processing, and analytics
It is an established data management tool that houses primarily unstructured data It is a relatively new data management system that stores all data in its raw state What is true about data stored by Databricks clusters? - ✔✔It is stored in the organization's cloud account It requires customer-supplied keys and certificates in order to maximize security It is always encrypted without having to worry about key and certificate management It is not encrypted since it cannot be accessed by anyone on the outside Which scenario would be best tackled using Data Science and Engineering Workspace? - ✔✔Using Databricks Notebooks to collaborate with team members in a variety of programming languages Tracking and comparing the results of machine learning experiments Creating a dashboard that will alert business managers of important changes in daily sales revenue Setting up access controls to limit data visibility to a particular group within an organization The Databricks Lakehouse Platform includes tailored user interfaces for which personas? - ✔✔Data architects, data analysts, and IT administrators Data analysts, data scientists, and database architects Data analysts, machine learning practitioners, data engineers Platform administrators, data engineers, and data scientists Delta Lake ensures data quality by enabling an organization to do what? - ✔✔Providing access to data to only those who should have access Applying constraints on the data to ensure that expectations will be met Structuring queries to act as if they are performed in a single operation Ordering table data Which scenario would be best tackled using Databricks SQL? - ✔✔Setting up access controls to limit data visibility to a particular group within an organization