ADA-C02認證 &最新ADA-C02題庫資訊

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Snowflake ADA-C02 Exam Syllabus Topics:

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

>> ADA-C02認證 <<

最實用的ADA-C02認證考古題

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最新的 SnowPro Advanced ADA-C02 免費考試真題 (Q52-Q57):

問題 #52
Which statement allows a Snowflake Administrator to retrieve the network policy applied to their Snowflake account?

A. SHOW NETWORK POLICIES;
B. DESC NETWORK POLICY <policy_name>;
C. SHOW PARAMETERS LIKE ‘NETWORK POLICY’ IN ACCOUNT;
D. SHOW NETWORK POLICIES IN ACCOUNT;

答案：C

解題說明：
The network policy applied at the account level is stored as an account parameter. Using a SHOW PARAMETERS command with the filter for NETWORK POLICY at the account scope returns the currently configured value, which identifies the network policy associated with the account.

問題 #53
An Administrator has a user who needs to be able to suspend and resume a task based on the current virtual warehouse load, but this user should not be able to modify the task or start a new run.
What privileges should be granted to the user to meet these requirements? (Choose two.)

A. OWNERSHIP on the database and schema containing the task
B. EXECUTE TASK on the task
C. OPERATE on the task
D. OWNERSHIP on the task
E. USAGE on the database and schema containing the task

答案：C,E

解題說明：
To suspend and resume a task, the user needs the OPERATE privilege on the task. Additionally, USAGE on the database and schema containing the task is required to access it. Granting these together allows control of task state without giving modification or ownership rights.

問題 #54
A company enabled replication between accounts and is ready to replicate data across regions in the same cloud service provider.
The primary database object is : PROD_AWS_EAST. Location : AWS_EAST
The secondary database object is : PROD_AWS_WEST. Location : AWS_WEST
What command and account location is needed to refresh the data?

A. Location : AWS_WEST
Command : REFRESH DATABASE PROD_AWS_WEST REFRESH;
B. Location : AWS_WEST
Command : ALTER DATABASE PROD_AWS_WEST REFRESH;
C. Location : AWS_EAST
Command : REFRESH DATABASE PROD_AWS_WEST REFRESH;
D. Location : AWS_EAST
Command : ALTER DATABASE PROD_AWS_WEST REFRESH;

答案：B

解題說明：
To update a secondary database with changes from its primary, the ALTER DATABASE <secondary_db> REFRESH; command must be executed in the secondary account/region. In this case, that means running the command on PROD_AWS_WEST in AWS_WEST.

問題 #55
A user with the proper role issues the following commands when setting up and activating network policies:
CREATE OR REPLACE NETWORK POLICY foo_policy
ALLOWED_IP_LIST = ('1.1.1.0/24', '2.2.2.0/24', '3.3.3.0/24')
BLOCKED_IP_LIST = ('1.1.1.1')
COMMENT = 'Account level policy';
ALTER ACCOUNT SET NETWORK_POLICY=foo_policy;
CREATE OR REPLACE NETWORK POLICY bar_policy
ALLOWED_IP_LIST = ('3.3.3.0/24')
BLOCKED_IP_LIST = ('3.3.3.10')
COMMENT = 'user level policy';
ALTER USER user1 SET NETWORK_POLICY=BAR_POLICY;
Afterwards, user1 attempts to log in to Snowflake from IP address 3.3.3.10.
Will the login be successful?

A. Yes, because 3.3.3.10 is found in the ALLOWED_IP_LIST of bar_policy.
B. No, because 3.3.3.10 is not found in the ALLOWED_IP_LIST of foo_policy.
C. No, because 3.3.3.10 is found in the BLOCKED_IP_LIST of bar_policy.
D. Yes, because 3.3.3.10 is found in the ALLOWED_IP_LIST of foo_policy.

答案：C

解題說明：
Although 3.3.3.10 is in the ALLOWED_IP_LIST, it is also explicitly listed in the BLOCKED_IP_LIST of the user-level policy (bar_policy). Blocked IPs always take precedence over allowed IPs in Snowflake network policies, so the login attempt will fail.

問題 #56
A Snowflake Administrator wants to create a virtual warehouse that supports several dashboards, issuing various queries on the same database.
For this warehouse, why should the Administrator consider setting AUTO_SUSPEND to 0 or NULL?

A. To save costs on warehouse shutdowns and startups for different queries
B. To keep the query result cache warm for good performance on repeated queries
C. To keep the data cache warm to support good performance of similar queries
D. To save costs by running the warehouse as little as possible

答案：C

解題說明：
Setting AUTO_SUSPEND to 0 or NULL prevents the warehouse from suspending, which keeps the data cache warm. This improves performance for dashboards and workloads that frequently run similar queries, since the warehouse avoids cache loss from suspending and resuming.

問題 #57
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