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HLDsystem_design~10 mins

Why choosing the right storage matters in HLD - Test Your Understanding

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Practice - 5 Tasks
Answer the questions below
1fill in blank
easy

Complete the code to select the storage type best suited for fast data retrieval.

HLD
storage_type = '[1]'  # Choose storage for quick access
Drag options to blanks, or click blank then click option'
ACold Storage
BIn-memory Cache
CRelational Database
DTape Backup
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing cold storage or tape backup for fast access.
2fill in blank
medium

Complete the code to select storage optimized for large, unstructured data.

HLD
storage_choice = '[1]'  # Best for storing videos and images
Drag options to blanks, or click blank then click option'
AObject Storage
BRelational Database
CIn-memory Cache
DBlock Storage
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing relational or block storage for unstructured data.
3fill in blank
hard

Fix the error in choosing storage for transactional data requiring strong consistency.

HLD
storage_system = '[1]'  # Must support ACID transactions
Drag options to blanks, or click blank then click option'
ANoSQL Database
BIn-memory Cache
CRelational Database
DObject Storage
Attempts:
3 left
💡 Hint
Common Mistakes
Choosing NoSQL or cache for strong consistency needs.
4fill in blank
hard

Fill both blanks to choose storage types for latency and durability respectively.

HLD
fast_storage = '[1]'  # Low latency
reliable_storage = '[2]'  # High durability
Drag options to blanks, or click blank then click option'
AIn-memory Cache
BCold Storage
CRelational Database
DTape Backup
Attempts:
3 left
💡 Hint
Common Mistakes
Mixing up fast and durable storage types.
5fill in blank
hard

Fill all three blanks to complete the storage selection for scalability, cost-efficiency, and access speed.

HLD
scalable_storage = '[1]'
cost_effective_storage = '[2]'
quick_access_storage = '[3]'
Drag options to blanks, or click blank then click option'
AObject Storage
BCold Storage
CIn-memory Cache
DRelational Database
Attempts:
3 left
💡 Hint
Common Mistakes
Confusing cost-effective with scalable storage.