Storage access patterns in HLD - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to identify the storage access pattern used for sequential reads.

HLD

if access_type == [1]:
    print("Sequential read detected")

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Abatch

Brandom

Csequential

Dstreaming

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing sequential with random access.

The term sequential refers to accessing storage in a continuous, ordered manner, which is typical for sequential reads.

2fill in blank

medium

Complete the code to select the best storage type for random access patterns.

HLD

if access_pattern == 'random':
    storage = [1]

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Assd

Btape_drive

Coptical_disk

Dmagnetic_tape

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing tape or optical disk which are slow for random access.

SSDs provide fast random access, making them ideal for random access patterns.

3fill in blank

hard

Fix the error in the code that incorrectly identifies batch access pattern.

HLD

if access_pattern == [1]:
    process_batch()

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Astreaming

Bbatch

Crandom

Dsequential

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing batch with streaming or sequential.

Batch access means processing data in groups or chunks, so the correct pattern is batch.

4fill in blank

hard

Fill both blanks to complete the dictionary comprehension that maps storage types to their typical access patterns.

HLD

storage_access = {"SSD": [1], "Tape": [2]

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A"random"

B"sequential"

C"batch"

D"streaming"

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping the access patterns for SSD and Tape.

SSDs are typically used for random access, while Tape is used for sequential access.

5fill in blank

hard

Fill all three blanks to complete the code that filters storage devices by access pattern and capacity.

HLD

filtered_devices = [device for device in devices if device.access == [1] and device.capacity [2] [3]]

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A"sequential"

B>

C1000

D"random"

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong access pattern or comparison operator.

This code filters devices with random access and capacity greater than 1000 units.