最新的Snowflake DSA-C02免費考試真題

問題1

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 directly to a share.

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

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

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

正確答案: A,C

說明：（僅 Fast2test 成員可見）

問題2

Which type of Python UDFs let you define Python functions that receive batches of input rows as Pandas DataFrames and return batches of results as Pandas arrays or Series?

A. Scaler Python UDFs

B. MPP Python UDFs

C. Vectorized Python UDFs

D. Hybrid Python UDFs

正確答案: C

說明：（僅 Fast2test 成員可見）

問題3

Mark the incorrect statement regarding Python UDF?

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

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

C. 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.

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

正確答案: B

說明：（僅 Fast2test 成員可見）

問題4

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. Groups df based on length of each index value

B. Groups df based on index strings

C. Groups df based on index values

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

正確答案: D

說明：（僅 Fast2test 成員可見）

問題5

As Data Scientist looking out to use Reader account, Which ones are the correct considerations about Reader Accounts for Third-Party Access?

A. Data sharing is only possible between Snowflake accounts.

B. Users in a reader account can query data that has been shared with the reader account, but cannot perform any of the DML tasks that are allowed in a full account, such as data loading, insert, update, and similar data manipulation operations.

C. Each reader account belongs to the provider account that created it.

D. Reader accounts (formerly known as "read-only accounts") provide a quick, easy, and cost-effective way to share data without requiring the consumer to become a Snowflake customer.

正確答案: A

說明：（僅 Fast2test 成員可見）

問題6

Which one is not Types of Feature Scaling?

A. Min-Max Scaling

B. Standard Scaling

C. Robust Scaling

D. Economy Scaling

正確答案: A

說明：（僅 Fast2test 成員可見）

問題7

Which one is the incorrect option to share data in Snowflake?

A. a Direct Marketplace, in which you directly share specific database objects (a share) to another account in your region using Snowflake Marketplace.

B. a Direct Share, in which you directly share specific database objects (a share) to anoth-er account in your region.

C. a Data Exchange, in which you set up and manage a group of accounts and offer a share to that group.

D. a Listing, in which you offer a share and additional metadata as a data product to one or more accounts.

正確答案: A

說明：（僅 Fast2test 成員可見）

最新的Snowflake SnowPro Advanced: Data Scientist Certification - DSA-C02免費考試真題

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