ADA-C02 Prüfungsressourcen: SnowPro Advanced Administrator ADA-C02 & ADA-C02 Reale Fragen

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Snowflake ADA-C02 Exam Syllabus Topics:

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

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Snowflake SnowPro Advanced Administrator ADA-C02 ADA-C02 Prüfungsfragen mit Lösungen (Q37-Q42):

37. Frage
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 connect to Snowflake using SnowSQL, which does not support MFA authentication.
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 append the normal URL with /?mode=mfa_bypass&code= to log on.

Antwort: C

Begründung:
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.

38. Frage
What steps are required to set up OKTAAPI token integration in Snowflake?

A. grant role okta_provisioner to role ACCOUNTADMIN;
create or replace security integration okta_provisioning
type = scim
scim_client = 'okta'
run_as_role = 'OKTA PROVISIONER';
Update these steps every 12 months.
B. create or replace security integration okta_provisioning
type = scim
scim_client = 'okta'
run_as_role = 'OKTA PROVISIONER';
Update this step every 6 months.
C. use role ACCOUNTADMIN;
select system$ generate_scim_access_token ('OKTA PROVISIONING');
Update these steps every 12 months.
D. use role ACCOUNTADMIN;
select system$ generate_scim_access_token ('OKTA PROVISIONING');
Update these steps every 6 months.

Antwort: D

Begründung:
Use the ACCOUNTADMIN role to generate the SCIM access token for Okta with system$generate_scim_access_token.
The access token must be regenerated and updated in Okta every 6 months for continued integration.

39. Frage
If the query matches the definition, will Snowflake always dynamically rewrite the query to use a materialized view?

A. Yes, because materialized views are always faster.
B. No, because joins are not supported by materialized views.
C. No, because the optimizer might decide against it.
D. No, because the materialized view may not be up-to-date.

Antwort: C

Begründung:
Even if a query matches the definition of a materialized view, the Snowflake optimizer may decide not to rewrite the query to use it. The optimizer evaluates factors such as freshness, cost, and efficiency before choosing whether or not to substitute the materialized view.

40. Frage
A Snowflake Administrator needs to persist all virtual warehouse configurations for auditing and backups. Given a table already exists with the following schema:
Table Name: VWH_META
Column 1: SNAPSHOT_TIME TIMESTAMP_NTZ
Column 2: CONFIG VARIANT
Which commands should be executed to persist the warehouse data at the time of execution in JSON format in the table VWH_META?

A. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(), *
FROM TABLE(RESULT_SCAN(LAST_QUERY_ID()));
B. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(),
OBJECT_CONSTRUCT(*)
FROM TABLE(RESULT_SCAN(LAST_QUERY_ID()));
C. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(),
FROM TABLE(RESULT_SCAN(LAST_QUERY_ID(1)));
D. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(), *
FROM TABLE(RESULT_SCAN(SELECT LAST_QUERY_ID(-1)));

Antwort: B

Begründung:
To persist warehouse configurations in JSON format, the result set from SHOW WAREHOUSES must be captured and converted into a variant object. Using OBJECT_CONSTRUCT(*) with RESULT_SCAN(LAST_QUERY_ID()) stores the full warehouse configuration snapshot as JSON in the CONFIG VARIANT column, along with the timestamp.

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

Antwort: C

Begründung:
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.

42. Frage
......

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