Databricks-Certified-Associate-Data-Engineer Practice Online

Question 1

Which of the following statements are correct on how Delta Lake implements a lake house?

A :

Delta lake uses a proprietary format to write data, optimized for cloud storage

B : ing Apache Hadoop on cloud object storage

C : lta lake always stores meta data in memory vs storage

D : lta lake uses open source, open format, optimized cloud storage and scalable meta data

Answer: D

Question 2

You are designing a data model that works for both machine learning using images and Batch ETL/ELT workloads. Which of the following features of data lakehouse can help you meet the needs of both workloads?

A : ta lakehouse requires very little data modeling.

B : ta lakehouse combines compute and storage for simple governance

C : ta lakehouse provides autoscaling for compute clusters.

D : ta lakehouse can store unstructured data and support ACID transactions.

E : ta lakehouse fully exists in the cloud.

Answer: D

Question 3

Which of the following SQL command can be used to insert or update or delete rows based on a condition to check if a row(s) exists?

A : RGE INTO table_name

B : PY INTO table_name

C : DATE table_name

D : ERT INTO OVERWRITE table_name

E : ERT IF EXISTS table_name

Answer: A

Question 4

Data engineering team is required to share the data across with Data science team, both the teams are using different workspaces which of the following techniques can be used to simplify sharing data across?

A : ta Sharing

B : ity Catalog

C : LTA lake

D : single storage location

E : LTA LIVE Pipelines

Answer: B

Question 5

Data science team members are using a single cluster to perform data analysis, although cluster size was chosen to handle multiple users and auto-scaling was enabled, the team realized queries are still running slow, what would be the suggested fix for this?

A : tup multiple clusters so each team member has their own cluster

B : able the auto-scaling feature

C : High concurrency mode instead of the standard mode

D : crease the size of the driver node

Answer: C

Name:	Databricks Certified Data Engineer Associate
Exam Code:	Databricks-Certified-Associate-Data-Engineer
Certification:	Databricks Certified Associate
Vendor:	Databricks
Total Questions:	315
Last Updated:	Sep 25, 2024

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