Labour Day Sale - Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: mxmas70

Home > IBM > IBM Data and AI: Data and AI > C1000-059

C1000-059 IBM AI Enterprise Workflow V1 Data Science Specialist Question and Answers

Question # 4

Which fine-tuning technique does not optimize the hyperparameters of a machine learning model?

A.

grid search

B.

population based training

C.

random search

D.

hyperband

Full Access
Question # 5

What are three operators used by genetic programming? (Choose three.)

A.

reciprocation

B.

mutation

C.

duel

D.

selection

E.

sheltering

F.

crossover

Full Access
Question # 6

Which is the most important thing to ensure while collecting data?

A.

samples collected are skewed with each other

B.

samples collected are all strongly correlated with each other

C.

samples collected adequately cover the space of all possible scenarios

D.

samples collected focus only on the most common cases

Full Access
Question # 7

Which statement is true in the context of evaluating metrics for machine learning algorithms?

A.

A random classifier has AUC (the area under ROC curve) of 0.5

B.

Using only one evaluation metric is sufficient

C.

The F-score is always equal to precision

D.

Recall of 1 (100%) is always a good result

Full Access
Question # 8

What is a class of machine learning problems where the algorithm builds a mathematical model from a set of data that contains both the inputs and the desired outputs?

A.

unsupervised learning

B.

mentoring

C.

reinforcement learning

D.

supervised learning

Full Access
Question # 9

Which distance is applied for multivariate outlier detection?

A.

Minkowski distance

B.

Manhattan distance

C.

Mahalanobis distance

D.

Euclidean distance

Full Access