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1Z0-1096-22 Oracle Machine Learning using Autonomous Database 2022 Specialist

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Oracle · 1Z0-1096-22

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Question 1

Multiple choice

Which three statements are true about unsupervised machine learning?

A
There is no previously known result to guide the algorithm in building the model.
B
It uses unlabeled data.
C
It analyzes cases where the target value is already known.
D
It can be used as a preliminary step for supervised algorithms.

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Correct answersA, B, C

Question 2

Multiple choice

Which two statements are true about supervised machine learning?

A
There is no previously known result to guide the algorithm in building the model.
B
It does not specify a target, it can be applied to a population of interest.
C
It is used to extract meaningful insights from raw data to improve data operational efficiency.
D
It generally results in predictive models.
E
The learning process is directed by a previously known dependent attribute or target.

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Correct answersD, E

Explanation

Explanation: Supervised learning is also known as directed learning. The learning process is directed by a previously known dependent attribute or target. Directed data mining attempts to explain the behavior of the target as a function of a set of independent attributes or predictors. Supervised learning generally results in predictive models. This is in contrast to unsupervised learning where the goal is pattern detection. The building of a supervised model involves training, a process whereby the software analyzes many cases where the target value is already known. In the training process, the model "learns" the logic for making the prediction. For example, a model that seeks to identify the customers who are likely to respond to a promotion must be trained by analyzing the characteristics of many customers who are known to have responded or not responded to a promotion in the past.
https://docs.oracle.com/cd/E18283_01/datamine.112/e16808.pdf

Question 3

Single choice

You have developed a notebook in an Autonomous Database (ADB) and you need to share the notebook with your colleague to run on a different ADB instance.

How should you enable your colleague to work with this notebook?

A
Save the notebook in .csv format and have your colleague import this notebook.
B
Save the notebook as a shared template.
C
Make the notebook public.
D
Export the notebook in . json format and have your colleague import this notebook.

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Correct answerA

Question 4

Single choice

What is the proper workflow for analyzing data in Oracle Machine Learning?

A
Evaluate the model, prepare the data, build the model, and deploy the model.
B
Get predictions from the model, prepare the data, build the model, and deploy the model
C
Prepare the data, build the model, evaluate the model, and deploy the model.
D
Build the model, prepare the data, evaluate the model, and deploy the model.

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Correct answerD

Question 5

Single choice

You have created a notebook and want to run the notebook on a periodic schedule.

How should you achieve this?

A
You cannot run the notebook on the scheduled time.
B
You can create a job and schedule it to run a specific notebook.
C
You have to login as the admin user and schedule a job to run the notebook.
D
You need to contact the database administrator to configure the notebook to run at a particular time.

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Correct answerB

Question 6

Single choice

Examine the command:

%script

SET SQLFORMAT ANSICONSOLE

What is the output of a query if this sqlformat is set?

A
It formats the output columns with fixed-width columns with data enclosed in double quotation marks.
B
It formats the output columns to return ANSI characters.
C
It formats and resizes the output columns to the width of the data to save space.
D
It formats the output columns to add ANSI characters as the delimiter string.

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Correct answerB

Question 7

Single choice

How can you share a notebook with multiple developers for a collaborative effort with notebook editing?

A
You can share notebooks if you have Viewer permissions.
B
Notebooks cannot be shared for collaborating with other users.
C
You can share notebooks if you have Developer permissions.
D
You create different notebooks, edit separately, and merge later.

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Correct answerD

Question 8

Single choice

Two users at different locations are collaborating on a project by editing the same notebook.

Which type of notebook should they use for collaboration?

A
Shared Notebook
B
Example notebook
C
Personal Notebook
D
Public Notebook

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Correct answerB

Question 9

Single choice

Which step is not required to be performed by an administrator when adding a new user to Oracle Machine Learning (OML) Notebooks?

A
Provide the user with Autonomous Database client wallet for remote credentials.
B
Add the user's name and email ID in the Oracle Machine Learning User Management interface.
C
Create an OML username and password for the user in the Oracle Machine Learning User Management interface.
D
Issue grant commands on tables from other schemas to allow access from shared notebooks.

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Correct answerA

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