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EMC Dell Data Scientist and Data Engineering Optimize 2023 Sample Questions:

1. What is the primary advantage of using dictionaries in Python data pipelines?

A) Dictionaries support mathematical operations
B) Dictionaries offer O(1) lookup time
C) Dictionaries maintain element order
D) Dictionaries allow duplicate values

2. What is the fastest data transfer channel for the Flume Agent Architecture?

A) Sink Processor
B) Memory
C) JDBC
D) File

3. Which IoT data processing tool enables businesses to make real-time decisions to capitalize on the Analytics of Things (AoT)?

A) Apache Kafka
B) Pravega
C) Nautilus
D) Apache NiFi

4. Which skill is crucial for a data engineer to effectively manage and optimize large-scale data processing systems?

A) Data analysis
B) Cloud computing
C) Graphic design
D) Front-end development

5. What is a characteristic of Pig?

A) Data warehouse infrastructure that manages jobs in the cluster
B) Alternative language to Java programming for MapReduce
C) Uses HiveQL to translate SQL queries into MapReduce jobs
D) Performs real-time reads and writes in HDFS

Solutions: