Exam ADA-C02 Answers & ADA-C02 Practice Engine

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Snowflake ADA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Account and Security Administration	30%	- Account configuration and management 1. Organization and account structures 2. Cost management and billing 3. Edition and feature configuration - Access control and security 1. User and privilege management 2. Data security and masking policies 3. Role-based access control (RBAC) design 4. Authentication and network policies
Topic 2: Resource Management and Optimization	25%	- Database and object management 1. Storage management and clustering 2. Schema design and object lifecycle 3. Data retention and time travel - Virtual warehouse administration 1. Cost optimization strategies 2. Workload management and resource monitoring 3. Warehouse sizing, scaling and suspension
Topic 3: Performance Monitoring and Tuning	20%	- Query performance analysis 1. Indexing and clustering keys optimization 2. Materialized views and search optimization 3. Query profiling and execution plans - System monitoring and troubleshooting 1. Workload isolation and concurrency control 2. Error logging and troubleshooting techniques 3. Account and warehouse usage metrics
Topic 4: Data Sharing and Marketplace	10%	- Secure data sharing 1. Secure views and data consumption 2. Shares, readers and data providers - Snowflake Marketplace 1. Marketplace administration and governance 2. Listing and consuming data products
Topic 5: Business Continuity and Disaster Recovery	15%	- Data protection and replication 1. Database cloning and backup strategies 2. Time travel and fail-safe configuration 3. Cross-region and cross-cloud replication - Disaster recovery planning 1. Failover and failback procedures 2. Recovery time and point objectives

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Snowflake SnowPro Advanced Administrator ADA-C02 Sample Questions (Q30-Q35):

NEW QUESTION # 30
What is a characteristic of Snowflake's transaction locking and concurrency modeling?

A. A deadlock cannot occur in Snowflake, since concurrently executed queries and DML statements do not block one another.
B. If two queries are concurrently executed against the same table, one of the two queries will be blocked until the other query completes.
C. Transaction locking in Snowflake is enforced exclusively at the row and table levels.
D. Queries executed within a given transaction see that transaction's uncommitted changes.

Answer: A

Explanation:
Snowflake uses multi-version concurrency control (MVCC), which allows queries and DML statements to operate without blocking each other. This architecture eliminates the possibility of deadlocks because transactions work on snapshots of data rather than locking rows or tables in ways that could cause contention.

NEW QUESTION # 31
For Snowflake network policies, what will occur when the account level and user level network policies are both defined?

A. The user_level network policies will not be supported.
B. A network policy error will be generated with no definitions provided.
C. The account_level policy will override the user_level policy.
D. The user_level policy will override the account_level policy.

Answer: D

Explanation:
When both account-level and user-level network policies are defined in Snowflake, the user-level policy overrides the account-level policy for that specific user.

NEW QUESTION # 32
What roles or security privileges will allow a consumer account to request and get data from the Data Exchange? (Choose two.)

A. SYSADMIN
B. ACCOUNTADMIN
C. SECURITYADMIN
D. IMPORT SHARE and CREATE DATABASE
E. IMPORT PRIVILEGES and SHARED DATABASE

Answer: B,D

Explanation:
ACCOUNTADMIN role is required to access and manage Data Exchange listings and shares.
The IMPORT SHARE and CREATE DATABASE privileges are required to create databases from shared data.

NEW QUESTION # 33
An Administrator loads data into a staging table every day. Once loaded, users from several different departments perform transformations on the data and load it into different production tables.
How should the staging table be created and used to MINIMIZE storage costs and MAXIMIZE performance?

A. Create it as an external table, which will not incur Time Travel costs.
B. Create it as a permanent table with a retention time of 0 days.
C. Create it as a temporary table with a retention time of 0 days.
D. Create it as a transient table with a retention time of 0 days.

Answer: D

Explanation:
A transient table is best suited for staging because it avoids long-term storage costs by not maintaining Fail-safe and can have Time Travel retention set to 0 days. This minimizes storage costs while still providing performance comparable to permanent tables, making it the optimal choice for daily staging data.

NEW QUESTION # 34
A user has enrolled in Multi-factor Authentication (MFA) for connecting to Snowflake. The user informs the Snowflake Administrator that they lost their mobile phone the previous evening.
Which step should the Administrator take to allow the user to log in to the system, without revoking their MFA enrollment?

A. Instruct the user to append the normal URL with /?mode=mfa_bypass&code= to log on.
B. Alter the user and set DISABLE_MFA to true, which will suspend the MFA requirement for 24 hours.
C. Alter the user and set MINS_TO_BYPASS_MFA to a value that will disable MFA long enough for the user to log in.
D. Instruct the user to connect to Snowflake using SnowSQL, which does not support MFA authentication.

Answer: C

Explanation:
The correct step is to use ALTER USER ... SET MINS_TO_BYPASS_MFA = <minutes> which temporarily suspends MFA for the specified duration, allowing the user to log in and reconfigure their MFA without revoking enrollment. This preserves MFA setup and is the supported method in Snowflake.

NEW QUESTION # 35
......

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