Free PDF Quiz Snowflake - ADA-C02 - Efficient SnowPro Advanced Administrator ADA-C02 Interactive Course

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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Account and Security Administration	30%	- Access control and security 1. Authentication and network policies 2. User and privilege management 3. Role-based access control (RBAC) design 4. Data security and masking policies - Account configuration and management 1. Cost management and billing 2. Edition and feature configuration 3. Organization and account structures
Topic 2: Performance Monitoring and Tuning	20%	- System monitoring and troubleshooting 1. Workload isolation and concurrency control 2. Error logging and troubleshooting techniques 3. Account and warehouse usage metrics - Query performance analysis 1. Indexing and clustering keys optimization 2. Materialized views and search optimization 3. Query profiling and execution plans
Topic 3: 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
Topic 4: Business Continuity and Disaster Recovery	15%	- Disaster recovery planning 1. Recovery time and point objectives 2. Failover and failback procedures - Data protection and replication 1. Time travel and fail-safe configuration 2. Database cloning and backup strategies 3. Cross-region and cross-cloud replication
Topic 5: Resource Management and Optimization	25%	- Database and object management 1. Schema design and object lifecycle 2. Data retention and time travel 3. Storage management and clustering - Virtual warehouse administration 1. Cost optimization strategies 2. Warehouse sizing, scaling and suspension 3. Workload management and resource monitoring

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Snowflake ADA-C02 the latest exam questions and answers free download

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Snowflake SnowPro Advanced Administrator ADA-C02 Sample Questions (Q20-Q25):

NEW QUESTION # 20
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. The 2XL warehouse should be changed to 4XL to increase the number of threads available for parallel load queries.
C. There should be another 2XL warehouse deployed to handle a portion of the 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.

Answer: D

Explanation:
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.

NEW QUESTION # 21
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 save costs by running the warehouse as little as possible
D. To keep the data cache warm to support good performance of similar queries

Answer: D

Explanation:
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.

NEW QUESTION # 22
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(),
OBJECT_CONSTRUCT(*)
FROM TABLE(RESULT_SCAN(LAST_QUERY_ID()));
B. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(),
FROM TABLE(RESULT_SCAN(LAST_QUERY_ID(1)));
C. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(), *
FROM TABLE(RESULT_SCAN(SELECT LAST_QUERY_ID(-1)));
D. SHOW WAREHOUSES;
INSERT INTO VWH_META
SELECT CURRENT_TIMESTAMP(), *
FROM TABLE(RESULT_SCAN(LAST_QUERY_ID()));

Answer: A

Explanation:
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.

NEW QUESTION # 23
What are characteristics of data replication in Snowflake? (Choose three.)

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

Answer: A,C,E

Explanation:
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.

NEW QUESTION # 24
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. No, because 3.3.3.10 is found in the BLOCKED_IP_LIST of bar_policy.
B. Yes, because 3.3.3.10 is found in the ALLOWED_IP_LIST of foo_policy.
C. Yes, because 3.3.3.10 is found in the ALLOWED_IP_LIST of bar_policy.
D. No, because 3.3.3.10 is not found in the ALLOWED_IP_LIST of foo_policy.

Answer: A

Explanation:
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.

NEW QUESTION # 25
......

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