Modeling Advanced Quiz 1
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Quiz 1
1. What is the main structural layout of a 'Lambda Architecture'?
A single stream pipeline for real-time processing.
Separate batch and speed layers running concurrently.
Multi-tier relational servers syncing data nightly.
2. How does a 'Kappa Architecture' differ from a Lambda Architecture?
It uses column keys to index relational storage zones.
It relies entirely on traditional batch processing windows.
It removes batch pipelines, treating all data as a stream.
3. In NoSQL modeling, what does 'Denormalization by Design' mean?
Duplicating data intentionally to match application query patterns.
Breaking tables down to achieve strict Third Normal Form.
Stripping out column definitions to force raw binary storage.
4. What is a 'Wide-Column Store' data model?
A single deep table linking foreign primary keys across regions.
Dynamic rows grouping variant columns under unified families.
Standard relational tables holding extended character text fields.
5. What does the 'CAP Theorem' state about distributed data stores?
Systems require continuous analytical processing across all local nodes.
Security protocols must preserve credential access during server drops.
A system can only guarantee two out of consistency, availability, and partition tolerance.
6. What characterizes a 'Document Store' NoSQL model?
Storing semi-structured data as self-describing objects like JSON.
Linking server operating logs inside a unified directory index.
Flat text layouts preserving transaction details without relationships.
7. What is 'Sharding' in distributed databases?
Splitting individual complex columns into distinct databases.
Encrypting primary keys before shipping data across environments.
Partitioning a dataset horizontally across separate physical compute nodes.
8. What is the primary purpose of a 'Graph Data Model'?
Tracking timeline metrics using coordinated visual chart templates.
Mapping highly interconnected networks using explicit nodes and edges.
Compressing physical storage spaces using advanced spatial indexing.
9. In distributed systems, 'Eventual Consistency' implies:
All node updates will propagate across the system given time.
Databases freeze transaction pipelines during active node synchronization.
Relational systems drop mismatched records if network environments fail.
10. What is 'Data Lakehouse' architecture?
External staging environments holding unparsed binary files safely.
A hybrid design bringing warehouse data governance directly to cloud storage.
Relational setups syncing analytical processing loops across local clusters.
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