ADA-C02 Deutsch Prüfungsfragen, ADA-C02 Online Praxisprüfung

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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Performance Monitoring and Tuning	20%	- System monitoring and troubleshooting 1. Workload isolation and concurrency control 2. Account and warehouse usage metrics 3. Error logging and troubleshooting techniques - Query performance analysis 1. Materialized views and search optimization 2. Indexing and clustering keys optimization 3. Query profiling and execution plans
Topic 2: Data Sharing and Marketplace	10%	- Secure data sharing 1. Secure views and data consumption 2. Shares, readers and data providers - Snowflake Marketplace 1. Listing and consuming data products 2. Marketplace administration and governance
Topic 3: 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. Warehouse sizing, scaling and suspension 2. Cost optimization strategies 3. Workload management and resource monitoring
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. Cross-region and cross-cloud replication 2. Database cloning and backup strategies 3. Time travel and fail-safe configuration
Topic 5: Account and Security Administration	30%	- Account configuration and management 1. Cost management and billing 2. Organization and account structures 3. Edition and feature configuration - 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

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Snowflake SnowPro Advanced Administrator ADA-C02 ADA-C02 Prüfungsfragen mit Lösungen (Q49-Q54):

49. Frage
A retailer uses a TRANSACTIONS table (100M rows, 1.2 TB) that has been clustered by the STORE_ID column (varchar(50)). The vast majority of analyses on this table are grouped by STORE_ID to look at store performance.
There are 1000 stores operated by the retailer but most sales come from only 20 stores. The Administrator notes that most queries are currently experiencing poor pruning, with large amounts of bytes processed by even simple queries.
Why is this occurring?

A. The STORE_ID should be numeric.
B. The table is not big enough to take advantage of the clustering key.
C. The cardinality of the stores to transaction count ratio is too low to use the STORE_ID as a clustering key.
D. Sales across stores are not uniformly distributed.

Antwort: D

Begründung:
Clustering is effective when data distribution across the clustering key is relatively uniform. In this case, most transactions are concentrated in only 20 of the 1000 stores, leading to skewed data distribution. This imbalance causes poor pruning, since large portions of micro-partitions still need to be scanned, even for queries targeting specific stores.

50. Frage
Which command can temporarily disable Multi-factor Authentication (MFA) for the Snowflake username user1 for 24 hours?

A. alter user user1 set DISABLE_MFA=1440;
B. alter user user1 set HOURS_TO_BYPASS_MFA=24;
C. alter user user1 set MINS_TO_BYPASS_MFA=1440;
D. alter user user1 set TEMPORARY_MFA_BYPASS=1440;

Antwort: C

Begründung:
The parameter MINS_TO_BYPASS_MFA controls how long MFA is bypassed for a user. Setting it to 1440 minutes (24 hours) temporarily disables MFA for that duration without revoking the user's MFA enrollment.

51. Frage
When does auto-suspend occur for a multi-cluster virtual warehouse?

A. After a specified period of time when an additional cluster has started on the maximum number of clusters specified for a warehouse.
B. When the minimum number of clusters is running and there is no activity for the specified period of time.
C. When there has been no activity on any cluster for the specified period of time.
D. Auto-suspend does not apply for multi-cluster warehouses.

Antwort: B

Begründung:
For a multi-cluster virtual warehouse, auto-suspend only triggers when the minimum number of clusters is running and there has been no activity for the specified period. Additional clusters above the minimum scale back down automatically, but suspension of the entire warehouse occurs only when the base minimum is idle.

52. Frage
A team is provisioning new lower environments from the production database using cloning. All production objects and references reside in the database, and do not have external references.
What set of object references needs to be re-pointed before granting access for usage?

A. Sequences, storage integrations, views, secure views, and materialized views
B. There are no object references that need to be re-pointed
C. Sequences, views, and secure views
D. Sequences, views, secure views, and materialized views

Antwort: B

Begründung:
When cloning a database in Snowflake, all objects - including sequences, views, secure views, and materialized views - are fully contained within the cloned database. Since there are no external references, no object references need to be re-pointed before granting access.

53. Frage
What roles can be used to create network policies within Snowflake accounts? (Choose three.)

A. Any role that owns the database where the network policy is created
B. ORGADMIN
C. Any role with the global permission of CREATE NETWORK POLICY
D. ACCOUNTADMIN
E. SECURITYADMIN
F. SYSADMIN

Antwort: B,D,E

Begründung:
SECURITYADMIN, ACCOUNTADMIN, and ORGADMIN roles can create network policies in Snowflake accounts. These roles have the necessary privileges to manage account-level security policies.

54. Frage
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