IBM C1000-059 Exam Practice Test Instant Access

Question 1

What are three elements that are typically part of a machine learning pipeline in scikit-learn or pyspark? (Choose three.)

Amodel building

Bdata preprocessing

Cmodel prediction

Dbusiness understanding

Euse case selection

Fdata exploration

Answer : B, C, F

Question 2

A neural network is composed of a first affine transformation (affine1) followed by a ReLU non-linearity, followed by a second affine transformation (affine2).

Which two explicit functions are implemented by this neural network? (Choose two.)

Ay = affine1(ReLU(affine2(x)))

By = max(affine1(x), affine2(x))

Cy = affine2(ReLU(affine1(x)))

Dy = affine2(max(affine1(x), 0))

Ey = ReLU(affine1(x), affine2(x))

Answer : C, D

Question 3

Which one is the most appropriate use case for artificial intelligence (AI)?

Adetecting objects in video streams

Bcompressing large video files

Caggregating sales revenue per state

Dcreating a pivot table with monthly costs

Answer : C

Question 4

What is a class of machine learning problems where the algorithm is given feedback in the form of positive or negative reward in a dynamic environment?

Areinforcement learning

Bfeedback-based optimization

Cdynamic programming

Dreward learning

Answer : A

Question 5

In which example would recall be preferred over precision?

Arecall is always preferred

Bidentify suitable candidates for a job

Cdetection of malignant tumors

Dbook recommendation

Answer : C

Question 6

What are two methods used to detect outliers in structured data? (Choose two.)

Amulti-label classification

Bisolation forest

Cgradient descent

Done class Support Vector Machine (SVM)

EWord2Vec

Answer : B, D

Question 7

Which is a technique that automates the handling of categorical variables?

Abinary encoding

Bdecoding

Cautoencoding

Done-hot encoding

Answer : D

IBM AI Enterprise Workflow V1 Data Science Specialist C1000-059 Exam Practice Test