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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Objectives
Topic 1: Snowflake Architecture and Virtual Warehouses	- Snowflake architecture concepts 1. Virtual warehouse usage and scaling 2. Separation of storage and compute
Topic 2: Security and Access Control	- Authentication and authorization 1. Role-based access control (RBAC) 2. Network policies and secure access
Topic 3: Data Loading and Unloading	- Bulk and continuous data ingestion 1. Stages and file formats 2. COPY INTO operations
Topic 4: Data Protection and Recovery	- Backup and recovery mechanisms 1. Cloning and data recovery strategies 2. Time Travel and Fail-safe concepts
Topic 5: Account and Resource Administration	- Account configuration and management 1. Resource monitors and governance basics 2. Users, roles, and permissions
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 (Q38-Q43):

NEW QUESTION # 38
A Snowflake Administrator needs to set up Time Travel for a presentation area that includes facts and dimensions tables, and receives a lot of meaningless and erroneous IoT data. Time Travel is being used as a component of the company's data quality process in which the ingestion pipeline should revert to a known quality data state if any anomalies are detected in the latest load. Data from the past 30 days may have to be retrieved because of latencies in the data acquisition process.
According to best practices, how should these requirements be met? (Choose two.)

A. Related data should not be placed together in the same schema. Facts and dimension tables should each have their own schemas.
B. The fact and dimension tables should have the same DATA_RETENTION_TIME_IN_DAYS.
C. The fact and dimension tables should be cloned together using the same Time Travel options to reduce potential referential integrity issues with the restored data.
D. Only TRANSIENT tables should be used to ensure referential integrity between the fact and dimension tables.
E. The DATA_RETENTION_TIME_IN_DAYS should be kept at the account level and never used for lower level containers (databases and schemas).

Answer: B,C

Explanation:
To ensure consistent recovery, fact and dimension tables must have the same DATA_RETENTION_TIME_IN_DAYS, so they can be restored to the same point in time.
Cloning the fact and dimension tables together with consistent Time Travel options ensures data integrity and avoids referential mismatches when reverting to a prior state.

NEW QUESTION # 39
Which function is the role SECURITYADMIN responsible for that is not granted to role USERADMIN?

A. Create new roles
B. Reset a Snowflake user's password
C. Manage system grants
D. Create new users

Answer: C

Explanation:
The SECURITYADMIN role is responsible for managing system grants, such as granting or revoking privileges on roles, which is not permitted for the USERADMIN role.

NEW QUESTION # 40
A user has enrolled in Multi-factor Authentication (MFA) for connecting to Snowflake. The user informs the Snowflake Administrator that they lost their mobile phone the previous evening.
Which step should the Administrator take to allow the user to log in to the system, without revoking their MFA enrollment?

A. Instruct the user to append the normal URL with /?mode=mfa_bypass&code= to log on.
B. Alter the user and set DISABLE_MFA to true, which will suspend the MFA requirement for 24 hours.
C. Alter the user and set MINS_TO_BYPASS_MFA to a value that will disable MFA long enough for the user to log in.
D. Instruct the user to connect to Snowflake using SnowSQL, which does not support MFA authentication.

Answer: C

Explanation:
The correct step is to use ALTER USER ... SET MINS_TO_BYPASS_MFA = <minutes> which temporarily suspends MFA for the specified duration, allowing the user to log in and reconfigure their MFA without revoking enrollment. This preserves MFA setup and is the supported method in Snowflake.

NEW QUESTION # 41
A team of developers created a new schema for a new project. The developers are assigned the role DEV_TEAM which was set up using the following statements:
USE ROLE SECURITYADMIN;
CREATE ROLE DEV_TEAM;
GRANT USAGE, CREATE SCHEMA ON DATABASE DEV_DB01 TO ROLE DEV_TEAM;
GRANT USAGE ON WAREHOUSE DEV_WH TO ROLE DEV_TEAM;
Each team member's access is set up using the following statements:
USE ROLE SECURITYADMIN;
CREATE ROLE JDOE_PROFILE;
CREATE USER JDOE LOGIN_NAME = 'JDOE' DEFAULT ROLE='JDOE_PROFILE';
GRANT ROLE JDOE_PROFILE TO USER JDOE;
GRANT ROLE DEV_TEAM TO ROLE JDOE_PROFILE;
New tables created by any of the developers are not accessible by the team as a whole.
How can an Administrator address this problem?

A. Set up the new schema as a managed-access schema.
B. Set up future grants on the newly-created schemas.
C. Assign ownership privilege to DEV_TEAM on the newly-created schema.
D. Assign usage privilege on the virtual warehouse DEV_WH to the role JDOE_PROFILE.

Answer: B

Explanation:
Future grants allow privileges to be automatically granted on objects created in the future within a schema. By configuring future grants on the schema, privileges such as SELECT can automatically be granted to the DEV_TEAM role whenever new tables are created. This ensures that all developers using the DEV_TEAM role can access newly created tables without requiring manual privilege grants after each table creation.

NEW QUESTION # 42
A Snowflake customer is experiencing higher costs than anticipated while migrating their data warehouse workloads from on-premises to Snowflake. The migration workloads have been deployed on a single warehouse and are characterized by a large number of small INSERTS rather than bulk loading of large extracts. That single warehouse has been configured as a single cluster, 2XL because there are many parallel INSERTS that are scheduled during nightly loads.
How can the Administrator reduce the costs, while minimizing the overall load times, for migrating data warehouse history?

A. The 2XL warehouse should be changed to 4XL to increase the number of threads available for parallel load queries.
B. The INSERTS should be converted to several tables to avoid contention on large tables that slows down query processing.
C. The warehouse should be kept as a SMALL or XSMALL and configured as a multi-cluster warehouse to handle the parallel load queries.
D. There should be another 2XL warehouse deployed to handle a portion of the load queries.

Answer: C

Explanation:
For many small, parallel INSERTS, using a multi-cluster warehouse with smaller size (SMALL or XSMALL) allows more concurrent queries to run efficiently and reduces costs compared to a single large warehouse. This configuration improves concurrency without unnecessary compute expense.

NEW QUESTION # 43
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