有用的ADA-C02證照考試|第一次嘗試輕鬆學習並通過考試，100％合格率的ADA-C02：SnowPro Advanced Administrator ADA-C02

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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Business Continuity and Disaster Recovery	15%	- Data protection and replication 1. Database cloning and backup strategies 2. Cross-region and cross-cloud replication 3. Time travel and fail-safe configuration - Disaster recovery planning 1. Failover and failback procedures 2. Recovery time and point objectives
Resource Management and Optimization	25%	- Virtual warehouse administration 1. Cost optimization strategies 2. Workload management and resource monitoring 3. Warehouse sizing, scaling and suspension - Database and object management 1. Schema design and object lifecycle 2. Storage management and clustering 3. Data retention and time travel
Account and Security Administration	30%	- Account configuration and management 1. Cost management and billing 2. Edition and feature configuration 3. Organization and account structures - Access control and security 1. Role-based access control (RBAC) design 2. Authentication and network policies 3. Data security and masking policies 4. User and privilege management
Data Sharing and Marketplace	10%	- Snowflake Marketplace 1. Marketplace administration and governance 2. Listing and consuming data products - Secure data sharing 1. Shares, readers and data providers 2. Secure views and data consumption
Performance Monitoring and Tuning	20%	- Query performance analysis 1. Indexing and clustering keys optimization 2. Query profiling and execution plans 3. Materialized views and search optimization - System monitoring and troubleshooting 1. Account and warehouse usage metrics 2. Error logging and troubleshooting techniques 3. Workload isolation and concurrency control

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最新的 SnowPro Advanced ADA-C02 免費考試真題 (Q57-Q62):

問題 #57
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 30 days and the schemas to 60 days.
B. Set the data retention policy on the schemas in the secondary database to 60 days.
C. Set the data retention policy on the primary database to 60 days.
D. Set the data retention policy on the secondary database to 60 days.

答案：C

解題說明：
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.

問題 #58
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. Wrap the query in a User-Defined Function (UDF) to match syntax execution.
B. Assign everyone on the sales team to the same security role.
C. Assign everyone on the sales team to the same virtual warehouse.
D. Leverage the CURRENT_DATE function for date calculations.

答案：D

解題說明：
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.

問題 #59
An Administrator has a warehouse which is intended to have a credit quota set for 3000 for each calendar year. The Administrator needs to create a resource monitor that will perform the following tasks:
At 80% usage notify the account Administrators.
At 100% usage suspend the warehouse and notify the account Administrators.
At 120% stop all running executions, suspend the warehouse, and notify the account Administrators.
Which SQL command will meet these requirements?

A. create or replace resource monitor RM1 with credit_quota=3000
frequency = yearly
triggers on 80 percent do notify
on 100 percent do suspend
on 120 percent do suspend_immediate;
alter warehouse WH1 set resource_monitor = RM1;
B. create or replace resource monitor RM1 with credit_quota=3000
frequency = yearly
start_timestamp = '2022-01-01 00:00 CET'
triggers on 80 percent do notify
on 100 percent do suspend
on 120 percent do suspend_immediate;
alter warehouse WH1 set resource_monitor = RM1;
C. create or replace resource monitor RM1 with credit_quota=3000
start_timestamp = '2022-01-01 00:00 CET'
triggers on 80 percent do notify
on 100 percent do notify and suspend
on 120 percent do notify and suspend_immediate;
alter warehouse WH1 set resource_monitor = RM1;
D. create or replace resource monitor RM1 with credit_quota=3000
start_timestamp = '2022-01-01 00:00 CET'
triggers on 80 percent do notify
on 100 percent do suspend
on 120 percent do suspend_immediate;
alter warehouse WH1 set resource_monitor = RM1;

答案：B

解題說明：
The requirement is to enforce a yearly quota of 3000 credits with notifications and suspensions at 80%, 100%, and 120%. The correct command must include frequency = yearly, and specify triggers: notify at 80%, suspend (and notify) at 100%, and suspend immediate (and notify) at 120%.

問題 #60
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 INSERTS should be converted to several tables to avoid contention on large tables that slows down query processing.
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 warehouse should be kept as a SMALL or XSMALL and configured as a multi-cluster warehouse to handle the parallel load queries.

答案：D

解題說明：
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.

問題 #61
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. MIMIC CONSUMER ACCOUNT
C. PRODUCER TEST ACCT
D. SIMULATED DATA SHARING CONSUMER

答案：B

解題說明：
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.

問題 #62
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