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Snowflake ADA-C02 Exam Syllabus Topics:

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

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ADA-C02 Praxisprüfung & ADA-C02 Dumps Deutsch

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Snowflake SnowPro Advanced Administrator ADA-C02 ADA-C02 Prüfungsfragen mit Lösungen (Q19-Q24):

19. Frage
A company has implemented Snowflake replication between two Snowflake accounts, both of which are running on a Snowflake Enterprise edition. The replication is for the database APP_DB containing only one schema, APP_SCHEMA. The company's time Travel retention policy is currently set for 30 days for both accounts. An Administrator has been asked to extend the time Travel retention policy to 60 days on the secondary database only.
How can this requirement be met?

A. Set the data retention policy on the primary database to 60 days.
B. Set the data retention policy on the secondary database to 60 days.
C. Set the data retention policy on the schemas in the secondary database to 60 days.
D. Set the data retention policy on the primary database to 30 days and the schemas to 60 days.

Antwort: A

Begründung:
In Snowflake replication, Time Travel retention is determined by the primary database and is replicated to the secondary. The secondary cannot have a longer retention than the primary. To extend retention to 60 days on the secondary, the primary database’s retention must be increased to 60 days.

20. Frage
What are characteristics of data replication in Snowflake? (Choose three.)

A. The ALTER DATABASE ... ENABLE REPLICATION TO ACCOUNTS command must be issued from the primary account.
B. To start replication run the ALTER DATABASE ... REFRESH command on the account where the secondary database resides.
C. Users must be granted REPLICATIONADMIN privileges in order to enable replication.
D. Replication can only occur within the same cloud provider.
E. Databases created from shares can be replicated.
F. Users can have unlimited primary databases and they can be replicated to an unlimited number of accounts if all accounts are within the same organization.

Antwort: A,B,E

Begründung:
Replication must be enabled on the primary account using ALTER DATABASE ... ENABLE REPLICATION TO ACCOUNTS.
To refresh replicated data, ALTER DATABASE ... REFRESH is executed on the secondary database.
Databases created from shares can also be replicated.

21. Frage
For Snowflake network policies, what will occur when the account level and user level network policies are both defined?

A. A network policy error will be generated with no definitions provided.
B. The user_level network policies will not be supported.
C. The account_level policy will override the user_level policy.
D. The user_level policy will override the account_level policy.

Antwort: D

Begründung:
When both account-level and user-level network policies are defined in Snowflake, the user-level policy overrides the account-level policy for that specific user.

22. Frage
Which commands can be performed by a user with the ORGADMIN role but not the ACCOUNTADMIN role? (Choose two.)

A. SHOW ORGANIZATION ACCOUNTS;
B. SHOW REGIONS;
C. GRANT ROLE ORGADMIN TO USER <username>;
D. SELECT SYSTEM$GLOBAL_ACCOUNT_SET_PARAMETER('ACCOUNT_LOCATOR','ENABLE_ACCOUNT_DATABASE_REPLICATION','true');
E. SHOW USERS;

Antwort: A,B

Begründung:
Only the ORGADMIN role can run SHOW REGIONS and SHOW ORGANIZATION ACCOUNTS, which provide organization-wide information. These commands are not available to the ACCOUNTADMIN role.

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

Antwort: A

Begründung:
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.

24. Frage
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