DSA-C02試験無料問題集（67題）「Snowflake SnowPro Advanced: Data Scientist Certification 認定」

出題：1

Which are the following additional Metadata columns Stream contains that could be used for creating Efficient Data science Pipelines & helps in transforming only the New/Modified data only?

A. METADATA$ROW_ID

B. METADATA$FILE_ID

C. METADATA$ISUPDATE

D. METADATA$DELETE

E. METADATA$ACTION

正解：A,C,E 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：2

Mark the incorrect statement regarding Python UDF?

A. For each row passed to a UDF, the UDF returns either a scalar (i.e. single) value or, if defined as a table function, a set of rows.

B. A UDF also gives you a way to encapsulate functionality so that you can call it repeatedly from multiple places in code

C. Python UDFs can contain both new code and calls to existing packages

D. A scalar function (UDF) returns a tabular value for each input row

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

Which of the following is a useful tool for gaining insights into the relationship between features and predictions?

A. Partial dependence plots(PDP)

B. sklearn plots

C. numpy plots

D. FULL dependence plots (FDP)

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：4

Which of the following cross validation versions may not be suitable for very large datasets with hundreds of thousands of samples?

A. k-fold cross-validation

B. All of the above

C. Holdout method

D. Leave-one-out cross-validation

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

Data providers add Snowflake objects (databases, schemas, tables, secure views, etc.) to a share us-ing Which of the following options?

A. Grant privileges on objects to a share via Account role.

B. Grant privileges on objects to a share via a third-party role.

C. Grant privileges on objects directly to a share.

D. Grant privileges on objects to a share via a database role.

正解：C,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

Which one is incorrect understanding about Providers of Direct share?

A. You can create as many shares as you want, and add as many accounts to a share as you want.

B. As a data provider, you share a database with one or more Snowflake accounts.

C. A data provider is any Snowflake account that creates shares and makes them available to other Snowflake accounts to consume.

D. If you want to provide a share to many accounts, you can do the same via Direct Share.

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：7

Consider a data frame df with 10 rows and index [ 'r1', 'r2', 'r3', 'row4', 'row5', 'row6', 'r7', 'r8', 'r9', 'row10'].
What does the expression g = df.groupby(df.index.str.len()) do?

A. Data frames cannot be grouped by index values. Hence it results in Error.

B. Groups df based on index values

C. Groups df based on index strings

D. Groups df based on length of each index value

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

DSA-C02試験無料問題集「Snowflake SnowPro Advanced: Data Scientist Certification 認定」