Snowflake SnowPro Core Practice Test Questions and Exam Dumps Part20 Q381-400

View Full Snowflake SnowPro Core Exam Dumps and Practice Test Dumps.   Question 381 Which Snowflake feature is used to provide additional protection and recovery capabilities after the Time Travel period has ended? Snowpipe Query Profile Resource Monitor Fail-safe Correct Answer: 4 Explanation: Fail-safe is a separate Snowflake recovery mechanism that provides additional protection after […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 1 Q1-20

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps.   Question 1. Which Databricks feature is primarily used to orchestrate and schedule data engineering workflows? 1) Databricks Workflows 2) Databricks SQL Warehouse 3) Unity Catalog 4) Delta Sharing Answer: 1) Databricks Workflows Explanation: Databricks Workflows provides capabilities for creating, scheduling, and […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 2 Q21-40

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 21. Which Delta Lake operation is designed to compact many small data files into fewer larger files? 1) VACUUM 2) OPTIMIZE 3) DESCRIBE HISTORY 4) RESTORE Answer: 2) OPTIMIZE Explanation: The OPTIMIZE command reorganizes files in a Delta table to […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 3 Q41-60

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 41. Which Delta Lake feature is most appropriate for identifying rows that were inserted, updated, or deleted since a previous table version? 1) Change Data Feed 2) VACUUM 3) OPTIMIZE 4) Table cloning Answer: 1) Change Data Feed Explanation: Delta […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 4 Q61-80

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 61. What is the correct three-level namespace used by Unity Catalog? 1) Workspace.database.table 2) Catalog.schema.table 3) Database.catalog.table 4) Schema.workspace.table Answer: 2) Catalog.schema.table Explanation: Unity Catalog uses a three-level namespace to organize and identify securable data objects. The standard structure is […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 5 Q81-100

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 81. Which Databricks feature can improve query performance by accelerating supported workloads? 1) Photon 2) DBFS mounts 3) Secret scopes 4) Notebook widgets Answer: 1) Photon Explanation: Photon is a native vectorized query engine designed to accelerate supported workloads in […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 6 Q101-120

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 101. Which command can be used to inspect the execution plan of a Spark SQL query? 1) EXPLAIN 2) DESCRIBE HISTORY 3) VACUUM 4) RESTORE Answer: 1) EXPLAIN Explanation: The EXPLAIN command displays information about how Spark plans to execute […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 7 Q121-140

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 121. What information does the Delta Change Data Feed provide? 1) Only the current table schema 2) Row-level changes made to a Delta table 3) Spark executor logs 4) Cluster configuration history Answer: 2) Row-level changes made to a Delta […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 8 Q141-160

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 141. What is the primary purpose of a streaming checkpoint? 1) Store the progress and state information required for recovery 2) Store the complete source dataset 3) Replace the transaction log 4) Increase notebook memory Answer: 3) Store the progress […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 9 Q161-180

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 161. What is the primary purpose of a Databricks workflow job task dependency? 1) Control the execution order between tasks 2) Increase table storage automatically 3) Change column data types 4) Encrypt notebook output Answer: 1) Control the execution order […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 10 Q181-200

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 181. What is the primary purpose of a task dependency in a Databricks workflow? 1) To control the order in which tasks execute 2) To increase cluster memory automatically 3) To change the Delta table schema 4) To disable task […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 11 Q201-220

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 201. What is the primary purpose of a salting technique when processing skewed join keys? 1) To distribute heavily repeated keys across multiple partitions 2) To remove all duplicate records 3) To convert structured data into JSON 4) To disable […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 12 Q221-240

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 221. What is the main purpose of a window function in Spark SQL? 1) To perform calculations across related rows without collapsing them into one row 2) To permanently delete duplicate records 3) To create a new database 4) To […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 13 Q241-260

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 241. Which PySpark function should be used to combine DataFrames based on matching column names rather than column positions? 1) union() 2) unionByName() 3) joinByName() 4) mergeByName() Answer: 2) unionByName() Explanation: The unionByName() function combines two DataFrames by matching columns […]

Databricks Certified Data Engineer Professional Practice Test Questions and Exam Dumps Part 14 Q261-280

View Full Databricks Certified Data Engineer Professional Exam Dumps and Practice Test Dumps   Question 261. Which Spark function is used to rename a column in a DataFrame? 1) renameColumn() 2) withColumnRenamed() 3) changeColumnName() 4) aliasColumn() **Answer: 2) withColumnRenamed() Explanation: The withColumnRenamed() function is used to rename an existing DataFrame column. It accepts the current […]