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Additionally, students can take multiple NAS-C01 exam questions, helping them to check and improve their performance. Three formats are prepared in such a way that by using them, candidates will feel confident and crack the SnowPro Specialty - Native Apps (NAS-C01) actual exam. These three formats suit different preparation styles of NAS-C01 test takers.

Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Native Application Design and Creation	35%	- Application development workflow 1. Building and versioning applications 2. Application roles and privileges
Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing
Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Tracing and troubleshooting workflows 2. Logging and event tables
Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Application packages and structure 2. Manifest files and setup scripts

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Snowflake SnowPro Specialty - Native Apps Sample Questions (Q270-Q275):

NEW QUESTION # 270
You've deployed a Snowflake Native Application to the Marketplace. A consumer reports an issue, and after investigating, you suspect a vulnerability related to SQL injection within a stored procedure. You want to implement best practices to mitigate this risk. Which of the following strategies are recommended to secure the stored procedure against SQL injection?

A. Use parameterized queries or prepared statements whenever possible to prevent user input from being directly interpreted as SQL code.
B. Encode all user input before inserting it into SQL queries to neutralize potentially harmful characters.
C. Disable all external network access from within the stored procedure environment.
D. Implement strict input validation and sanitization to ensure that user input conforms to expected data types and patterns.
E. Grant 'OWNERSHIP' privilege to the stored procedure to prevent unauthorized modifications.

Answer: A,B,D

Explanation:
SQL injection vulnerabilities arise when user input is incorrectly incorporated into SQL queries. Parameterized queries (A) and input validation/sanitization (B) are crucial defenses. Parameterized queries treat input as data, not code, preventing injection. Input validation ensures only expected data reaches the query. Encoding user input (D) neutralizes harmful characters that could be exploited. Granting 'OWNERSHIP' (C) is for access control, not injection prevention. Disabling network access (E) might improve overall security but doesn't directly address SQL injection within the procedure.

NEW QUESTION # 271
Consider the following Python code snippet used within a Streamlit application deployed as a Snowflake Native App:

A. The code will execute successfully, assuming that Smy_table' exists, and the 'app_public' role has at least SELECT privilege on 'my_table' and USAGE privilege on the schema containing 'my_table' .
B. The code will fail with a privilege error if the 'app_public' role does not have OWNERSHIP of the table 'my_table' .
C. The code requires using the 'snowflake.snowpark' library instead of for optimized performance within native apps.
D. The code will execute without any privilege errors, assuming the necessary database and schema privileges are granted to the 'app_public' role.
E. The code will fail because the Snowflake Connector for Python requires explicit connection parameters to be defined even within a Native App context.

Answer: A

Explanation:
The correct answer is D. When running within a Snowflake Native App, the Snowflake Connector for Python automatically uses the current session context, eliminating the need for explicit connection parameters. The code will execute successfully provided that the 'app_public' role has the appropriate privileges, which includes 'SELECT on 'my_table' and 'USAGE on the schema containing the table. Option A is partially correct, but option D provides more specific privilege requirements. Option B is incorrect because explicit connections aren't needed. Option C is incorrect because 'OWNERSHIP' isn't required, only 'SELECT. Option E is incorrect; using 'snowflake.snowpark' may offer performance benefits for data processing, but using "snowflake.connectofl is viable for simple queries.

NEW QUESTION # 272
You are developing a Snowflake Native App that will be listed on the Snowflake Marketplace. The application requires the consumer to grant access to their 'CUSTOMER DATA table. Which of the following statements accurately describes the process and required privileges for accessing the consumer's data?

A. The consumer must explicitly grant the 'SELECT privilege on the 'CUSTOMER_DATR table or a secure view of that table to the application's installation role through an inbound share.
B. The application automatically has full access to all tables in the consumer's account, including 'CUSTOMER_DATA' , once installed.
C. The application provider defines a secure view within the consumer's account, and the consumer grants the 'SELECT privilege on the 'CUSTOMER_DATX table to the secure view.
D. The consumer grants the 'IMPORTED PRIVILEGES privilege on the database containing the 'CUSTOMER_DATX table to the application's installation role,and the application uses the CURRENT ACCOUNT() function to access the data.
E. The consumer must explicitly grant the 'USAGE privilege on the 'CUSTOMER DATA' table to a share created by the application provider during installation.

Answer: A

Explanation:
Snowflake Native Apps access consumer data through an inbound share. The consumer must explicitly grant permissions (typically 'SELECT' on a table or a secure view) to the application's installation role via this share. Automatic access (A) is incorrect for security reasons. USAGE (B) is not sufficient for data access. The provider doesn't directly define objects in the consumer's account (C). 'IMPORTED PRIVILEGES' (D) are used for a slightly different use-case, they do not inherently grant access to a specific table within a database, but rather all objects. It needs to be linked to the database containing the data you intend to share, which is what 'E' does using an inbound share.

NEW QUESTION # 273
You are developing a Snowflake Native Application that processes customer orders. The application needs to securely store sensitive customer data (e.g., credit card numbers) within the provider's account but must grant the consumer's account access to analyze aggregated, de-identified order statistics. Which combination of features is BEST suited to achieve this while adhering to security best practices and Snowflake Native App constraints?

A. Store sensitive data in a secured view within the provider account. Grant the consumer account usage privileges on this secured view. Create a setup script using 'CREATE APPLICATION ROLE and 'GRANT to give the consumer's application role access to the secured view.
B. Store sensitive data in an internal stage within the provider account. Create a stored procedure that reads data from the stage, aggregates and de-identifies it, and writes the results to a shareable table. The consumer application can query the shareable table.
C. Store sensitive data in a table within the provider account. Create a user-defined function (UDF) that aggregates and de-identifies the data. Share the table and the UDF with the consumer account through a share. The consumer application can then use the UDF to query the data.
D. Store sensitive data in a table within the provider account. Create a stored procedure that aggregates and de-identifies the data, writing the results to a new table. Share this new, aggregated table with the consumer account via a data share.
E. Store sensitive data in a table within the provider account. Use dynamic data masking policies to de-identify the data when accessed by the consumer account. Share the underlying table directly with the consumer account through a share.

Answer: D

Explanation:
Option C is best. Storing sensitive data in the provider account and then sharing only the aggregated, de-identified data is the most secure approach. Using a stored procedure isolates the sensitive data processing and ensures only the intended output is shared. Options A and D expose sensitive data directly or indirectly through secured views/masking which are less secure. Option B uses an internal stage unnecessarily. Option E is less secure since it shares direct table access and consumer needs to call the UDF for aggregation.

NEW QUESTION # 274
You are developing a Snowflake Native App that needs to be configurable by the consumer during installation. You define parameters in the 'manifest.ymr file. During application installation, the consumer provides values for these parameters. How can you access these parameter values within your application's setup script ('setup.sql')?

A. You must use the 'GET_DDL' function to retrieve the parameter values from the application object definition. The returned DDL string will contain the parameter values, which you need to parse.
B. Parameter values are stored in a dedicated table automatically created by Snowflake during application installation. You can query this table using standard SQL to retrieve the parameter values.
C. Parameter values are passed as arguments to the 'setup.sqr script. You need to define input parameters in the script declaration and then access them by their position or name.
D. Use the ' SYSTEM$GET PARAMETER function within the 'setup.sqr script, passing the parameter name as an argument. This function retrieves the current value of the specified parameter for the application.
E. Parameter values are automatically available as global variables within the 'setup.sqr script. You can reference them directly by their name as defined in the 'manifest.yml'.

Answer: D

Explanation:
The correct answer is D. The 'SYSTEM$GET_PARAMETER function is the designated way to access the parameter values specified by the consumer during installation from within the application's setup script. This function allows you to dynamically configure the application based on the consumer's input.

NEW QUESTION # 275
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