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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Objectives
Topic 1: Data Protection and Recovery	- Backup and recovery mechanisms 1. Cloning and data recovery strategies 2. Time Travel and Fail-safe concepts
Topic 2: Account and Resource Administration	- Account configuration and management 1. Resource monitors and governance basics 2. Users, roles, and permissions
Topic 3: Data Loading and Unloading	- Bulk and continuous data ingestion 1. Stages and file formats 2. COPY INTO operations
Topic 4: Snowflake Architecture and Virtual Warehouses	- Snowflake architecture concepts 1. Separation of storage and compute 2. Virtual warehouse usage and scaling
Topic 5: Security and Access Control	- Authentication and authorization 1. Role-based access control (RBAC) 2. Network policies and secure access
Topic 6: Performance and Monitoring	- Performance tuning and optimization 1. Query performance analysis 2. Warehouse sizing and scaling strategies

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Snowflake SnowPro Advanced Administrator ADA-C02 Sample Questions (Q26-Q31):

NEW QUESTION # 26
What is a characteristic of Snowflake's transaction locking and concurrency modeling?

A. A deadlock cannot occur in Snowflake, since concurrently executed queries and DML statements do not block one another.
B. Transaction locking in Snowflake is enforced exclusively at the row and table levels.
C. If two queries are concurrently executed against the same table, one of the two queries will be blocked until the other query completes.
D. Queries executed within a given transaction see that transaction's uncommitted changes.

Answer: A

Explanation:
Snowflake uses multi-version concurrency control (MVCC), which allows queries and DML statements to operate without blocking each other. This architecture eliminates the possibility of deadlocks because transactions work on snapshots of data rather than locking rows or tables in ways that could cause contention.

NEW QUESTION # 27
A Snowflake organization MYORG consists of two Snowflake accounts:
Account Name Snowflake Region Snowflake Edition
ACCOUNT1 AWS_EU_WEST_2 ENTERPRISE
ACCOUNT2 AZURE_WESTEUROPE STANDARD
The ACCOUNT1 has a database PROD_DB and the ORGADMIN role enabled.
Management wants to have the PROD_DB database replicated to ACCOUNT2.
Are there any necessary configuration steps in ACCOUNT1 before the database replication can be configured and initiated in ACCOUNT2?

A. No configuration steps are necessary in ACCOUNT1. Replicating databases across accounts within the same Snowflake organization is enabled by default.
B. It is not possible to replicate a database from an Enterprise edition Snowflake account to a Standard edition Snowflake account.
C. USE ROLE ORGADMIN;
SELECT SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER('MYORG.ACCOUNT1','ENABLE_ACCOUNT_DATABASE_REPLICATION','TRUE');
SELECT SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER('MYORG.ACCOUNT2','ENABLE_ACCOUNT_DATABASE_REPLICATION','TRUE');
USE ROLE ACCOUNTADMIN;
ALTER DATABASE PROD_DB ENABLE REPLICATION TO ACCOUNTS MYORG.ACCOUNT2;
D. USE ROLE ORGADMIN;
SELECT SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER('MYORG.ACCOUNT1','ENABLE_ACCOUNT_DATABASE_REPLICATION','TRUE');
USE ROLE ACCOUNTADMIN;
ALTER DATABASE PROD_DB ENABLE REPLICATION TO ACCOUNTS MYORG.ACCOUNT2 IGNORE EDITION CHECK;

Answer: D

Explanation:
Replication between accounts requires both accounts to have replication enabled. Since ACCOUNT1 (Enterprise) replicates to ACCOUNT2 (Standard), the edition mismatch must be explicitly overridden. The correct configuration in ACCOUNT1 is to enable account-level database replication using SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER and then issue ALTER DATABASE PROD_DB ENABLE REPLICATION TO ACCOUNTS MYORG.ACCOUNT2 IGNORE EDITION CHECK;. The IGNORE EDITION CHECK clause is mandatory because Snowflake editions differ between the two accounts.

NEW QUESTION # 28
Which actions are considered breaking changes to data that is shared with consumers in the Snowflake Marketplace? (Choose two.)

A. Dropping a column from a table
B. Renaming a table
C. Adding region availability to the listing
D. Deleting data from a table
E. Unpublishing the data listing

Answer: A,B

Explanation:
Dropping a column from a table or renaming a table breaks the shared schema and can cause dependent queries to fail for consumers. These are considered breaking changes to shared data in the Snowflake Marketplace.

NEW QUESTION # 29
An organization's sales team leverages this Snowflake query a few times a day:
SELECT CUSTOMER_ID, CUSTOMER_NAME, ADDRESS, PHONE_NO
FROM CUSTOMERS
WHERE LAST_UPDATED BETWEEN TO_DATE(CURRENT_TIMESTAMP) AND (TO_DATE(CURRENT_TIMESTAMP)-7);
What can the Snowflake Administrator do to optimize the use of persisted query results whenever possible?

A. Assign everyone on the sales team to the same security role.
B. Leverage the CURRENT_DATE function for date calculations.
C. Assign everyone on the sales team to the same virtual warehouse.
D. Wrap the query in a User-Defined Function (UDF) to match syntax execution.

Answer: B

Explanation:
Query result caching in Snowflake requires queries to be textually identical. Using CURRENT_TIMESTAMP causes queries to differ on each execution. By switching to CURRENT_DATE, the query becomes stable within a day, allowing Snowflake to reuse persisted results and improve performance.

NEW QUESTION # 30
What session parameter can be used to test the integrity of secure views based on the account that is accessing that view?

A. TEST ACCOUNT ID
B. SIMULATED DATA SHARING CONSUMER
C. MIMIC CONSUMER ACCOUNT
D. PRODUCER TEST ACCT

Answer: C

Explanation:
The session parameter MIMIC_CONSUMER_ACCOUNT allows a data provider to test how secure views will appear to a specific consumer account. This ensures the integrity and correctness of secure views before they are shared.

NEW QUESTION # 31
......

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