CDC in Databricks
Authored by Giang Hà
Computers
Professional Development
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14 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Which property of ACID Transactions ensures that each statement in a transaction is treated as a single unit?
Consistency
Durability
Atomicity
Isolation
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Which property of ACID Transactions ensures that concurrent transactions don't interfere with each other?
Durability
Atomicity
Consistency
Isolation
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Which of the following factors contribute to the strength of Spark?
Structured streaming, distributed computing, automatic data partitioning
Structured streaming, cloud integration, fault tolerance through replication, lazy evaluation
Distributed computing, resilient distributed dataset, in-memory processing, lazy evaluation
Distributed computing, cloud integration, in-memory processing, GPU acceleration
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
How does Delta Lake ensure ACID compliance?
By using a distributed ledger for transaction management
By enforcing strict data consistency rules
By leveraging the transaction log and versioning
By isolating data processing tasks
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
A company needs to analyze customer behavior in real-time to personalize marketing campaigns. Which is the correct processing type for them?
Batch Processing
Stream Processing
Micro-batch Processing
Incremental Processing
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
What technique is commonly used in data warehousing to improve query performance by reducing the number of joins required?
Data Sharding
Data Normalization
Data Denormalization
Data Partitioning
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
What is the primary advantage of using a data lake architecture over a data warehouse for storing and processing large volumes of raw data?
Centralized Data Storage
ACID Transactions
Schema-on-Read Flexibility
Structured Data Models
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