LFC Data Management

Question 1

What is the role of data versioning in lakehouse systems?

Accepted Answer

To track and revert changes

Answer

To increase file sizes

Answer

To slow down query speeds

Answer

To encrypt all metadata

Question 2

Which lakehouse feature enables schema enforcement?

Accepted Answer

Schema enforcement

Answer

Data lakes

Answer

Schema on read

Answer

Data catalogs

Question 3

What is the purpose of a data catalog in a lakehouse?

Accepted Answer

Index metadata and support data discovery

Answer

Encrypt data

Answer

Monitor CPU usage

Answer

Send alerts for failed queries

Question 4

Which component manages changes in data structure over time?

Accepted Answer

Schema evolution

Answer

Data validation

Answer

Access control

Answer

Backup scripts

Question 5

Why is ACID compliance important in lakehouse data management?

Accepted Answer

To support reliable transactions

Answer

To reduce cloud costs

Answer

To disable indexing

Answer

To enforce UI consistency

Question 6

What benefit does data compaction provide in a lakehouse?

Accepted Answer

Reduces latency and optimizes storage

Answer

Increases file fragmentation

Answer

Slows query speed

Answer

Adds redundant metadata