Snowflake DEA-C02 Questions - Try Our Real DEA-C02 Dumps [2025]

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Snowflake SnowPro Advanced: Data Engineer (DEA-C02) Sample Questions (Q69-Q74):

NEW QUESTION # 69
You are the provider of a data product on the Snowflake Marketplace. You need to grant a trial access to a potential consumer You want to provide limited access for 7 days to specific tables in your database. Which of the following steps are REQUIRED to accomplish this?
(Select all that apply)

A. Create a new role, grant USAGE privilege on the database and SELECT privilege on the specific tables to this role, and then grant this role to the trial consumer.
B. Grant OWNERSHIP on the specific tables to the consumer's account temporarily.
C. Contact Snowflake support to enable trial access for the consumer's account.
D. Create a new share specifically for the trial consumer, granting USAGE privilege on the database and SELECT privilege on the specific tables.
E. Monitor the consumer's query history to ensure they are only accessing the allowed tables.

Answer: D

Explanation:
Option A is correct. You need to create a specific share granting the required privileges (USAGE on the database and SELECT on the tables) to the consumer's account. Option B suggests creating a role and granting it to the consumer; while possible, it's not the direct method using shares for Marketplace access. Option C is a monitoring task, not a setup step. Option D is incorrect; this can be done directly in Snowflake. Option E is incorrect; OWNERSHIP should not be granted temporarily as it gives full control over the object.

NEW QUESTION # 70
You are tasked with building an ETL pipeline that ingests JSON logs from an external system via the Snowflake REST API. The external system authenticates using OAuth 2.0 client credentials flow. The logs are voluminous, and you want to optimize for cost and performance. Which of the following approaches are MOST suitable for securely and efficiently ingesting the data?

A. Configure the ETL tool to write directly to Snowflake tables using JDBC/ODBC connection strings. Avoid the REST API due to its complexity.
B. Use Snowflake's Snowpipe with REST API by configuring the external system to directly push the logs to an external stage and configure Snowpipe to automatically ingest it.
C. Implement a custom API gateway using a serverless function (e.g., AWS Lambda, Azure Function) to handle authentication and batch the JSON logs before sending them to the Snowflake REST API. Write the API output to a Snowflake stage, then use COPY INTO to load into a final table.
D. Use the Snowflake REST API directly from your ETL tool, handling OAuth token management in the ETL tool. Load data into a staging table, then use COPY INTO with a transformation to the final table.
E. Create a Snowflake external function that handles the API call and OAuth authentication. Use a stream on the external stage pointing to the external system's storage to trigger data loading into the final table.

Answer: C,D

Explanation:
Options A and C are the most suitable. Option A involves direct integration and option C introduces batching and serverless function to improve performance and manage authentication. Option B is incorrect because external functions cannot directly trigger data loading based on external stage events. Option D bypasses the REST API requirement and does not address authentication. Option E avoids the REST API entirely, which is against the problem requirement.

NEW QUESTION # 71
A provider account is sharing a database named 'SHARED DB' through a share named 'MY SHARE. The consumer account has created a database named 'CONSUMER DB' from the share. The provider account revokes access to a table named 'SALES DATA within 'SHARED DB'. What will happen when a user in the consumer account attempts to query 'CONSUMER DB.SHARED SCHEMA.SALES DATA'?

A. The query will execute successfully, but only return data that existed before the access was revoked.
B. The query will fail with an error message indicating that the table does not exist or the user does not have privileges.
C. The query will execute successfully, but the user will receive an empty result set.
D. The query will be automatically re-routed to another available share containing 'SALES DATA'.
E. The query will be cached based on the initial access, so users can continue query previous result based on same SQL

Answer: B

Explanation:
When access to a shared object is revoked in the provider account, the consumer account loses access to that object. Subsequent queries in the consumer account will fail with an error message indicating insufficient privileges or that the object does not exist. Snowflake does not automatically redirect queries to other shares or provide cached result once access is revoked.

NEW QUESTION # 72
You are configuring a Snowflake Data Clean Room for two healthcare providers, 'ProviderA' and 'ProviderB', to analyze patient overlap without revealing Personally Identifiable Information (PII). Both providers have patient data in their respective Snowflake accounts, including a 'PATIENT ID' column that uniquely identifies each patient. You need to create a secure join that allows the providers to determine the number of shared patients while protecting the raw 'PATIENT ID' values. Which of the following approaches is the most secure and efficient way to achieve this using Snowflake features? Select TWO options.

A. Implement tokenization of the 'PATIENT_ID' column in both ProviderA's and ProviderB's accounts. Share the tokenized values through a secure view and perform a JOIN operation on the tokens. Use a third party to deanonymize the tokens afterwards.
B. Utilize Snowflake's Secure Aggregate functions (e.g., APPROX_COUNT_DISTINCT) on the 'PATIENT_ID' column without sharing the underlying data. Each provider calculates the approximate distinct count of patient IDs, and the results are compared to estimate the overlap.
C. Share the raw 'PATIENT_ID' columns between ProviderA and ProviderB using secure data sharing, and then perform a JOIN operation in either ProviderA's or ProviderB's account.
D. Leverage Snowflake's differential privacy features to add noise to the patient ID data, share the modified dataset and perform a JOIN.
E. Create a hash of the 'PATIENT_ID' column in both ProviderA's and ProviderB's accounts using a consistent hashing algorithm (e.g., SHA256) and a secret salt known only to both providers. Share the hashed values through a secure view and perform a JOIN operation on the hashed values.

Answer: A,E

Explanation:
Options B and C represents valid approach. B provides good utility and is consistent. C does the same using a third-party service, which also works. Option A exposes the raw PII data which is not acceptable. Option D only gets an approximate, not an exact figure. While useful, the other solutions are much better. Option E is incorrect, it sounds good, but is not real. Therefore the correct answer is B and C.

NEW QUESTION # 73
You are working with a Snowpark DataFrame named 'customer data' that contains sensitive Personally Identifiable Information (PII). The DataFrame has columns such as 'customer id', 'name', 'email' , and 'phone number'. Your task is to create a new DataFrame that only contains 'customer id' and a hash of the 'email' address for anonymization purposes, while also filtering out any customers whose 'customer id' starts with 'TEMP'. Which of the following approaches adheres to best practices for data security and efficiency in Snowpark, using secure hashing algorithms provided by Snowflake?

A. Option A
B. Option D
C. Option E
D. Option C
E. Option B

Answer: B

Explanation:
Option D is the most appropriate. 'sha2 with a bit length of 256 or higher (like 256 in this example) is a strong cryptographic hash function suitable for anonymizing sensitive data. The 'where' function is used with the negation of the 'startswith' function (through column reference 'col()'), so it appropriately filters out customer IDs starting with 'TEMP. Using 'select' projects only the necessary columns, minimizing the risk of exposing other PII data. Option A utilizes the 'filter' and provides the correct filter. Option C attempts to utilize However, cache_result() is not suitable for this task. Option B, however, is suboptimal because MD5 is considered cryptographically broken and should not be used for security-sensitive applications. Options A and E are technically correct in filtering out customer IDs. They are not as clear as Option D. The code will accomplish the objective of the question but not clearly show which customer IDs will be retained.

NEW QUESTION # 74
......

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Snowflake DEA-C02 Questions - Try Our Real DEA-C02 Dumps [2025]

Free PDF Quiz Snowflake - Pass-Sure DEA-C02 - Valid SnowPro Advanced: Data Engineer (DEA-C02) Exam Labs

Snowflake SnowPro Advanced: Data Engineer (DEA-C02) Sample Questions (Q69-Q74):

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