Why automated retraining keeps models fresh in MLOps - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to schedule automated retraining using a cron job.

MLOps

0 0 * * * [1] retrain_model.sh

Drag options to blanks, or click blank then click option'

Astart

Bbash

Cexecute

Drun

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'run' or 'execute' which are not shell commands.

Omitting the interpreter command.

The cron job runs the retrain_model.sh script using bash to automate retraining daily at midnight.

2fill in blank

medium

Complete the code to load new training data from the correct directory.

MLOps

data = load_data('[1]/new_data.csv')

Drag options to blanks, or click blank then click option'

A/data

B/old_data

C/archive

D/backup

Attempts:

3 left

💡 Hint

Common Mistakes

Using old or backup folders which do not have fresh data.

Incorrect file paths causing file not found errors.

The new training data is stored in the /data directory, so the path must point there.

3fill in blank

hard

Fix the error in the retraining function call to use the correct parameter name.

MLOps

retrain_model([1]=data)

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Atrain_data

Bdata

Cinput_data

Ddataset

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect parameter names causing runtime errors.

Passing data without specifying the correct parameter.

The function expects the parameter train_data to receive the training dataset.

4fill in blank

hard

Fill both blanks to create a dictionary comprehension that filters fresh data and squares values.

MLOps

{item: item[1]2 for item in dataset if item [2] 10}

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A**

B%

C>

D+

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong operators causing syntax errors.

Filtering with incorrect comparison operators.

The comprehension squares items with **2 and filters items greater than 10 using >.

5fill in blank

hard

Fill all three blanks to build a dictionary of uppercase keys, values, and filter condition.

MLOps

result = { [1]: [2] for [3], v in data.items() if v > 0}

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Ak.upper()

Bv

Ck

Ditem

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong variable names causing errors.

Not applying uppercase to keys.

The keys are converted to uppercase with k.upper(), values are v, and the loop variable is k.