C1000-059試験無料問題集（64題）「IBM AI Enterprise Workflow V1 Data Science Specialist 認定」

出題：1

In which example would recall be preferred over precision?

A. identify suitable candidates for a job

B. detection of malignant tumors

C. recall is always preferred

D. book recommendation

正解：B 解答を投票する

出題：2

Select the three computing languages that IBM Cloud Object Storage SDK supports. (Choose three.)

A. Swift

B. Python

C. C/C++

D. Java

E. PHP

F. Node.js

正解：B,D,F 解答を投票する

出題：3

A classification task has examples that are labeled as belonging to one of two classes:
*90% of the examples belong to class-1
*10% belong to class-2
Which two techniques are appropriate to deal with the class imbalance? (Choose two.)

A. lower the detection threshold of the minority class after training

B. after training, divide the model accuracy of each class by the proportion that they represent in the dataset

C. oversample the minority class and/or undersample the majority class

D. apply dimensionality reduction to the features before training

E. impose an additional cost on the model for making classification mistakes on the minority class during training

正解：B,E 解答を投票する

出題：4

When communicating technical results to business stakeholders, what are three appropriate topics to include?
(Choose three.)

A. benefits of cognitive over business analytics

B. methods that failed

C. alternative methods to address the business problem

D. newest developments in AI methods

E. differences between cloud provider portfolios

F. realistic impact on the business measures

正解：A,C,F 解答を投票する

出題：5

If the distribution of the height of American men is approximately normal, with a mean of 69 inches and a standard deviation of 2.5 inches, then roughly 68 percent of American men have heights between and .

A. 64 inches and 74 inches

B. 66.5 inches and 71.5 inches

C. 71.5 inches and 76.5 inches

D. 66.5 inches and 69 inches

正解：D 解答を投票する

出題：6

Given two multidimensional arrays of the same data type, A and B which two Python NumPy statements give the matrix product of the two matrices? (Choose two.)

A. A @ B

B. np.dot(A,B)

C. np.matprod(A,B)

D. A × B

E. A * B

正解：C,E 解答を投票する

出題：7

What is the first step in creating a custom model in Watson Visual Recognition service?

A. Document the errors from the built in models.

B. Use IBM SPSS to create new machine learning classifiers.

C. Obtain image files containing objects to be classified and organize them into classes.

D. Test the newly trained model.

正解：B 解答を投票する

C1000-059試験無料問題集「IBM AI Enterprise Workflow V1 Data Science Specialist 認定」