よくできたADA-C02日本語認定 &資格試験のリーダープロバイダー &無料PDFADA-C02難易度

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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
Performance and Monitoring	- Performance tuning and optimization 1. Query performance analysis 2. Warehouse sizing and scaling strategies
Account and Resource Administration	- Account configuration and management 1. Resource monitors and governance basics 2. Users, roles, and permissions
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
Snowflake Architecture and Virtual Warehouses	- Snowflake architecture concepts 1. Virtual warehouse usage and scaling 2. Separation of storage and compute

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ADA-C02難易度、ADA-C02基礎問題集

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Snowflake SnowPro Advanced Administrator ADA-C02 認定 ADA-C02 試験問題 (Q45-Q50):

質問 # 45
An Administrator needs to configure a virtual warehouse in Snowflake for a new use case with these details:
1. There will be 50-100 concurrent users running reports
2. Minimize costs based on the number of active users at a given time
3. The virtual warehouse should suspend and resume automatically based on user activity
Which configuration will meet these requirements?

A. create or replace warehouse reporting_wh
warehouse_size = xxxlarge
auto_suspend = 60
auto_resume = true;
B. create or replace warehouse reporting_wh
warehouse_size = xxxlarge
max_cluster_count = 10
scaling_policy = standard
auto_suspend = 600
auto_resume = false;
C. create or replace warehouse reporting_wh
warehouse_size = medium
auto_suspend = 600
auto_resume = true;
D. create or replace warehouse reporting_wh
warehouse_size = medium
max_cluster_count = 10
scaling_policy = standard
auto_suspend = 600
auto_resume = true;

正解：D

解説：
Supporting 50-100 concurrent users requires a multi-cluster warehouse so compute resources can scale to handle high concurrency. Setting a maximum cluster count allows Snowflake to automatically add clusters when query demand increases and reduce them when demand drops, which helps minimize cost based on active users. Enabling auto_suspend and auto_resume ensures the warehouse automatically stops when idle and restarts when queries arrive, further optimizing cost and operational efficiency.

質問 # 46
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 secondary database to 60 days.
B. Set the data retention policy on the primary database to 30 days and the schemas 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 60 days.

正解：D

解説：
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.

質問 # 47
Company A uses Snowflake to manage audio files of call recordings. Company A hired Company B, who also uses Snowflake, to transcribe the audio files for further analysis.
Company A's Administrator created a share.
What object should be added to the share to allow Company B access to the files?

A. A secure view with a column for the stage name and a column for the file path.
B. A secure view with a column for file URLs.
C. A secure view with a column for METADATA$FILENAME.
D. A secure view with a column for pre-signed URLs.

正解：A

解説：
Sharing a secure view with a column for the stage name and a column for the file path allows Company B to access the referenced files through Snowflake's external or internal stage, without exposing direct URLs. This maintains security and supports seamless access for the recipient.

質問 # 48
Which Snowflake objects can be managed using SCIM integration? (Choose two.)

A. Shares
B. Users
C. Stages
D. Roles
E. Warehouses

正解：B、D

解説：
SCIM integration in Snowflake is used to manage users and roles for automated provisioning and de-provisioning from external identity providers.

質問 # 49
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. Leverage the CURRENT_DATE function for date calculations.
D. Wrap the query in a User-Defined Function (UDF) to match syntax execution.

正解：C

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 # 50
......

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ADA-C02難易度: https://www.jpexam.com/ADA-C02_exam.html