信頼できるADA-C02認定資格試験問題集 |素晴らしい合格率のADA-C02: SnowPro Advanced Administrator ADA-C02 |権威のあるADA-C02受験練習参考書

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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Data Management	20%	- Database object management - Time Travel and Fail-safe - Data loading and unloading - Data sharing and replication
Performance and Monitoring	20%	- Resource monitoring and management - Clustering keys - Query history and profiling - Query performance optimization
Virtual Warehouses	20%	- Virtual warehouse creation and management - Warehouse sizing and scaling - Warehouse performance optimization - Resource monitors
Data Protection and Disaster Recovery	15%	- Data replication - Snowflake Marketplace - Backup and restore procedures - Disaster recovery planning
Account Management and Security	25%	- Security and governance management - Account management and billing - User management and authentication - Role-Based Access Control (RBAC)

>> ADA-C02認定資格試験問題集 <<

ADA-C02試験の準備方法｜権威のあるADA-C02認定資格試験問題集試験｜正確的なSnowPro Advanced Administrator ADA-C02受験練習参考書

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Snowflake SnowPro Advanced Administrator ADA-C02 認定 ADA-C02 試験問題 (Q27-Q32):

質問 # 27
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
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;
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 suspend
on 120 percent do suspend_immediate;
alter warehouse WH1 set resource_monitor = RM1;
D. 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;

正解：B

解説：
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%.

質問 # 28
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 virtual warehouse.
B. Assign everyone on the sales team to the same security role.
C. Wrap the query in a User-Defined Function (UDF) to match syntax execution.
D. Leverage the CURRENT_DATE function for date calculations.

正解：D

解説：
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.

質問 # 29
What are characteristics of data replication in Snowflake? (Choose three.)

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

正解：A、C、E

解説：
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.

質問 # 30
Which actions are considered breaking changes to data that is shared with consumers in the Snowflake Marketplace? (Choose two.)

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

正解：A、D

解説：
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.

質問 # 31
What are characteristics of Dynamic Data Masking? (Choose two.)

A. A single masking policy can be applied to columns in different tables.
B. The role that creates the masking policy will always see unmasked data in query results.
C. A masking policy that is currently set on a table can be dropped.
D. A masking policy can be applied to the VALUE column of an external table.
E. A single masking policy can be applied to columns with different data types.

正解：A、C

解説：
A masking policy applied to a table or column can be dropped or replaced as needed.
The same masking policy can be reused and applied to columns in different tables.

質問 # 32
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