Questions and Answers
Question WbHAU6kZOhgx6GGxrLU5
Question
Which data lakehouse feature results in improved data quality over a traditional data lake?
Choices
- A: A data lakehouse stores data in open formats.
- B: A data lakehouse allows the use of SQL queries to examine data.
- C: A data lakehouse provides storage solutions for structured and unstructured data.
- D: A data lakehouse supports ACID-compliant transactions.
answer?
Answer: D Answer_ET: D Community answer D (100%) Discussion
Comment 1264156 by 80370eb
- Upvotes: 2
Selected Answer: D ACID-compliant transactions ensure that data operations are Atomic, Consistent, Isolated, and Durable. This greatly enhances data reliability, consistency, and quality compared to traditional data lakes, which typically lack strong transactional guarantees.
Comment 1230462 by 31cadd7
- Upvotes: 1
Selected Answer: D it’s D
Question YaYL5mh2a2lyIoWRi62u
Question
In which scenario will a data team want to utilize cluster pools?
Choices
- A: An automated report needs to be version-controlled across multiple collaborators.
- B: An automated report needs to be runnable by all stakeholders.
- C: An automated report needs to be refreshed as quickly as possible.
- D: An automated report needs to be made reproducible.
answer?
Answer: C Answer_ET: C Community answer C (100%) Discussion
Comment 1264158 by 80370eb
- Upvotes: 2
Selected Answer: C Cluster pools help in reducing the start-up time of clusters by maintaining a set of idle, ready-to-use instances. This allows jobs, such as automated reports, to start faster, ensuring that the report is refreshed as quickly as possible.
Comment 1218484 by MDWPartners
- Upvotes: 3
This question is repeated, a cluster pool helps to reduce the times of cold start and change the scaling .
Question RVDq1s93wOXOu2JA2daT
Question
What is hosted completely in the control plane of the classic Databricks architecture?
Choices
- A: Worker node
- B: Databricks web application
- C: Driver node
- D: Databricks Filesystem
answer?
Answer: B Answer_ET: B Community answer B (100%) Discussion
Comment 1300997 by RandomForest
- Upvotes: 1
Selected Answer: B The databricks web application is the only one that is completely hosted in the control plane. The others are hosted in the data plane.
Comment 1264159 by 80370eb
- Upvotes: 1
Selected Answer: B The Databricks web application, which includes the UI, job management, and other control functionalities, is hosted entirely in the control plane. The other components, such as worker nodes, driver nodes, and the Databricks Filesystem, are part of the data plane, which runs in the customer’s cloud account.
Question crGhyRZwpI1WfRRDW7QB
Question
A data engineer needs to determine whether to use the built-in Databricks Notebooks versioning or version their project using Databricks Repos.
What is an advantage of using Databricks Repos over the Databricks Notebooks versioning?
Choices
- A: Databricks Repos allows users to revert to previous versions of a notebook
- B: Databricks Repos is wholly housed within the Databricks Data Intelligence Platform
- C: Databricks Repos provides the ability to comment on specific changes
- D: Databricks Repos supports the use of multiple branches
answer?
Answer: D Answer_ET: D Community answer D (100%) Discussion
Comment 1387398 by e872ce8
- Upvotes: 1
Selected Answer: D Databricks Repos integrates with Git, allowing users to work with multiple branches. This enables collaborative development, feature branching, and version control, making it superior to the built-in Databricks Notebooks versioning, which only tracks notebook history without Git-based workflows.
Comment 1286845 by Stefan94
- Upvotes: 1
Selected Answer: D D is correct
Question cRlq4psdbhpDc5HyOn5U
Question
What is a benefit of the Databricks Lakehouse Architecture embracing open source technologies?
Choices
- A: Avoiding vendor lock-in
- B: Simplified governance
- C: Ability to scale workloads
- D: Cloud-specific integrations
answer?
Answer: A Answer_ET: A Community answer A (100%) Discussion
Comment 1286846 by Stefan94
- Upvotes: 1
Selected Answer: A A is Correct
Comment 1264163 by 80370eb
- Upvotes: 1
Selected Answer: A By using open-source technologies, Databricks allows organizations to avoid being tied to a single vendor’s ecosystem, offering flexibility and interoperability across different platforms and tools.