NAS-C01최신버전시험대비자료, NAS-C01최신시험

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Snowflake NAS-C01 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Snowflake Native App Framework Overview	20%	- Native application concepts and architecture 1. Manifest files and setup scripts 2. Application packages and structure
Topic 2: Installation, Testing and Troubleshooting	20%	- Validation and debugging 1. Logging and event tables 2. Tracing and troubleshooting workflows
Topic 3: Native Application Design and Creation	35%	- Application development workflow 1. Application roles and privileges 2. Building and versioning applications
Topic 4: Deployment and Marketplace Publishing	25%	- Distribution and lifecycle management 1. Version upgrades and release management 2. Marketplace listings and publishing

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NAS-C01최신버전 시험대비자료 최신 시험 기출문제와 예상문제 모음 자료

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최신 SnowPro Core Certification NAS-C01 무료샘플문제 (Q51-Q56):

질문 # 51
A Snowflake Native App developer encounters an issue where the application fails to install on a consumer's account due to insufficient privileges. The developer has verified that the necessary privileges are declared in the application. privileges section of the manifest file. However, the installation still fails. What could be the most likely cause of this issue, and how can it be resolved?

A. The consumer's account does not have the SNOWFLAKE.APP_INSTALLER role enabled. Ensure this role is granted to the appropriate user.
B. The consumer account has object level grants conflicting with the required grants. Revoke the object level grants and try again.
C. The privileges were declared in the manifest file, but were not actually granted to the application role in the provider account before creating the version. Grant the declared privileges to the application role using GRANT ON ACCOUNT TO APPLICATION ROLE and create a new version.
D. The privileges declared in the manifest file are not supported by the consumer's Snowflake edition. Review and adjust the required privileges.
E. The consumer's account is not on the same Snowflake region as the provider account. Verify and align the regions.

정답：C

설명：
Even if the privileges are declared in the manifest file, they must be explicitly granted to the application role in the provider account before a new version is created. The consumer's Snowflake edition might not support all privileges (but the error would be slightly different), SNOWFLAKE.APP INSTALLER role does not exist , regional difference does not matter as such if provider created version after granting the privileges. The application's role in provider account needs required permission using GRANT ON ACCOUNT TO APPLICATION ROLE .

질문 # 52
You are designing a Snowflake Native Application that utilizes Snowpark Container Services to provide a data enrichment service for customer dat a. This service requires the application to securely store and manage API keys and other sensitive configuration data. Which of the following methods offers the MOST secure and compliant approach for managing these secrets within the context of a Snowflake Native Application deployed in the customer's environment?

A. Storing the API keys directly within the container's environment variables during the container build process.
B. Encrypting the API keys using a symmetric key and storing them in a Snowflake table. The container retrieves and decrypts the keys at runtime.
C. Storing the API keys in an external key management system (KMS) and granting the container access to the KMS using its assigned service account.
D. Leveraging Snowflake secrets to securely store and manage the API keys. The container retrieves the secrets at runtime using the Snowflake API or Snowpark.
E. Hardcoding the API keys within the application's source code. The source code is obfuscated to make it difficult to extract the keys.

정답：D

설명：
Option C is the most secure and compliant approach. Snowflake secrets provide a secure and managed way to store and manage sensitive data within the Snowflake environment. The container can retrieve the secrets at runtime using the Snowflake API or Snowpark, without exposing the keys directly in the container image or environment variables. Option A is insecure. Option B requires key management. Option D is complex and depends on external systems. Option E is highly insecure.

질문 # 53
A data science team is developing a Snowflake Native Application that provides predictive analytics for financial institutions. The application requires access to usage data from consumer accounts, but only aggregated and anonymized data should be exposed. As the application provider, you need to grant the necessary privileges while adhering to the principle of least privilege. Which combination of global privileges and application logic will achieve this?

A. Create a custom role with the MONITOR USAGE global privilege, grant this role to the application, and use secure views within the application to expose only the aggregated and anonymized data.
B. Grant the READ global privilege on the account metadata and use Snowflake's masking policies within the application to anonymize sensitive data.
C. Grant the ACCOUNTADMIN role to the application and rely on the application code to filter and anonymize the data.
D. Grant the IMPORTED PRIVILEGES global privilege on the account and rely on data sharing agreements to control access to the aggregated and anonymized data.
E. Grant the USAGE global privilege on the account and implement stored procedures within the application that perform the aggregation and anonymizatiom

정답：A

설명：
Granting the MONITOR USAGE global privilege to a custom role and then granting that role to the application is the most appropriate approach. This adheres to the principle of least privilege by only granting the necessary privilege. Secure views provide an additional layer of security and data governance by controlling exactly what data is exposed to the application, ensuring that only aggregated and anonymized data is accessible. Options A, B, D, and E either grant excessive privileges or rely on application code for security, which is less secure than using Snowflake's built-in features.

질문 # 54
You are developing a Snowflake Native Application that uses a UDF (User-Defined Function) to process dat a. The UDF needs to be updated with new logic to handle a specific edge case. You want to ensure a smooth transition for existing consumers of your application. Which of the following strategies should you consider to avoid breaking changes? (Select TWO)

A. Package new version and then call patch method.
B. Modify the existing UDF in place and notify consumers about the change after deployment.
C. Remove the existing UDF and provide instructions for consumers to recreate it with the new logic.
D. Implement versioning within the existing UDF to handle the new logic based on a version parameter passed by the consumer.
E. Create a new UDF with a different name, implement the new logic, and update the application to use the new UDF, while keeping the old UDF for backward compatibility.

정답：D,E

설명：
Options B and C provide strategies to avoid breaking changes. Creating a new UDF (B) allows existing consumers to continue using the old UDF while new consumers can use the updated one. Implementing versioning within the existing UDF (C) allows the UDF to behave differently based on the version parameter, providing backward compatibility. A and D are disruptive, and E is vague and unspecific.

질문 # 55
A Native App provider has released a new version of their application. After installation, some consumers report encountering 'SQL compilation errors' when using certain features that rely on Java UDFs. The provider has thoroughly tested the application and cannot reproduce the error in their development environment. What are the MOST LIKELY causes of this issue and how can the provider systematically troubleshoot and resolve it? (Select TWO)

A. The consumer's Snowflake account has insufficient compute resources to execute the Java UDFs. The provider should instruct the consumer to upgrade their virtual warehouse size.
B. The Java UDFs are encountering data type mismatches due to differences in regional settings or data formats between the provider's and consumer's environments. The provider should enforce strict data validation and type conversion within the UDFs.
C. The Java UDFs are using external libraries that are not compatible with the consumer's Snowflake environment or are missing entirely. The provider should explicitly declare all dependencies in the application manifest and ensure they are properly packaged and deployed.
D. The provider's development environment is using a newer version of the Snowflake Java runtime than the consumer's environment. The provider should downgrade their development environment to match the oldest supported version and re-test the application.
E. Consumer-side firewall rules are blocking access to external resources used by the Java UDF. The provider should thoroughly document the necessary network configurations for consumers.

정답：B,C

설명：
Options A and C are the most likely causes. Missing or incompatible Java dependencies (Option A) are a common source of UDF errors in Native Apps. Data type mismatches (Option C) due to regional settings can also lead to SQL compilation errors if the UDFs are not handling them correctly. Option B is less likely, SQL compilation errors indicate problems during the planning stage not the execution stage, so compute resource issues would typically manifest as runtime errors not compilation errors. Option D is technically possible but less probable. Option E is plausible, however, SQL compilation errors suggest the issue is at the compilation stage, implying incorrect types etc, rather than connectivity issues with external resources

질문 # 56
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