ADA-C01 TEST PAPERS, ADA-C01 STUDY MATERIAL

ADA-C01 Test Papers, ADA-C01 Study Material

ADA-C01 Test Papers, ADA-C01 Study Material

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Snowflake ADA-C01 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Manage and implement data sharing
  • Given a set of business requirements, establish access control architecture
Topic 2
  • Given a scenario, configure access controls
  • Set up and manage security administration and authorization
Topic 3
  • Set up and manage network and private connectivity
  • Given a scenario, manage Snowflake Time Travel and Fail-safe
Topic 4
  • Given a scenario, manage databases, tables, and views
  • Manage organizations and access control
Topic 5
  • Snowflake Security, Role-Based Access Control (RBAC), and User Administration
  • Disaster Recovery, Backup, and Data Replication

Snowflake SnowPro Advanced Administrator Sample Questions (Q50-Q55):

NEW QUESTION # 50
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 by running the warehouse as little as possible
  • B. To keep the query result cache warm for good performance on repeated queries
  • C. To save costs on warehouse shutdowns and startups for different queries
  • D. To keep the data cache warm to support good performance of similar queries

Answer: D

Explanation:
Explanation
According to the Snowflake documentation1, the AUTO_SUSPEND property specifies the number of seconds of inactivity after which a warehouse is automatically suspended. If the property is set to 0 or NULL, the warehouse never suspends automatically. For a warehouse that supports several dashboards, issuing various queries on the same database, setting AUTO_SUSPEND to 0 or NULL can help to keep the data cache warm, which means that the data used by the queries is already loaded into the warehouse memory and does not need to be fetched from the storage layer. This can improve the performance of similar queries that access the same data. Option A is incorrect because setting AUTO_SUSPEND to 0 or NULL does not save costs on warehouse shutdowns and startups, but rather increases the costs by keeping the warehouse running continuously. Option B is incorrect because setting AUTO_SUSPEND to 0 or NULL does not run the warehouse as little as possible, but rather runs the warehouse as much as possible. Option D is incorrect because setting AUTO_SUSPEND to 0 or NULL does not affect the query result cache, which is a separate cache that stores the results of previous queries for a period of time. The query result cache is not dependent on the warehouse state, but on the query criteria2.


NEW QUESTION # 51
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. 1. SHOW WAREHOUSES;
    2. INSERT INTO VWH META
    SELECT CURRENT TIMESTAMP (),
    FROM TABLE (RESULT_SCAN (LAST_QUERY_ID(1) ) ) ;
  • B. 1. SHOW WAREHOUSES;
    2. INSERT INTO VWH META
    SELECT CURRENT TIMESTAMP (), *
    FROM TABLE (RESULT_SCAN (LAST_QUERY_ID ())) ;
  • C. 1. SHOW WAREHOUSES;
    2. INSERT INTO VWH_META
    SELECT CURRENT_TIMESTAMP (),
    OBJECT CONSTRUCT (*)
    FROM TABLE (RESULT_SCAN (LAST_QUERY_ID ()));
  • D. 1. SHOW WAREHOUSES;
    2. INSERT INTO VWH META
    SELECT CURRENT TIMESTAMP (), *
    FROM TABLE (RESULT_SCAN (SELECT
    LAST QUERY ID(-1)));

Answer: C

Explanation:
According to the Using Persisted Query Results documentation, the RESULT_SCAN function allows you to query the result set of a previous command as if it were a table. The LAST_QUERY_ID function returns the query ID of the most recent statement executed in the current session. Therefore, the combination of these two functions can be used to access the output of the SHOW WAREHOUSES command, which returns the configurations of all the virtual warehouses in the account. However, to persist the warehouse data in JSON format in the table VWH_META, the OBJECT_CONSTRUCT function is needed to convert the output of the SHOW WAREHOUSES command into a VARIANT column. The OBJECT_CONSTRUCT function takes a list of key-value pairs and returns a single JSON object. Therefore, the correct commands to execute are:
1. SHOW WAREHOUSES;
2. INSERT INTO VWH_META SELECT CURRENT_TIMESTAMP (), OBJECT_CONSTRUCT (*) FROM TABLE (RESULT_SCAN (LAST_QUERY_ID ())); The other options are incorrect because:
* A) This option does not use the OBJECT_CONSTRUCT function, so it will not persist the warehouse data in JSON format. Also, it is missing the * symbol in the SELECT clause, so it will not select any columns from the result set of the SHOW WAREHOUSES command.
* B) This option does not use the OBJECT_CONSTRUCT function, so it will not persist the warehouse data in JSON format. It will also try to insert multiple columns into a single VARIANT column, which will cause a type mismatch error.
* D) This option does not use the OBJECT_CONSTRUCT function, so it will not persist the warehouse data in JSON format. It will also try to use the RESULT_SCAN function on a subquery, which is not supported. The RESULT_SCAN function can only be used on a query ID or a table name.


NEW QUESTION # 52
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, views, and secure views
  • B. Sequences, views, secure views, and materialized views
  • C. Sequences, storage integrations, views, secure views, and materialized views
  • D. There are no object references that need to be re-pointed

Answer: C

Explanation:
Explanation
According to the Snowflake documentation1, when an object in a schema is cloned, any future grants defined for this object type in the schema are applied to the cloned object unless the COPY GRANTS option is specified in the CREATE statement for the clone operation. However, some objects may still reference the source object or external objects after cloning, which may cause issues with access or functionality. These objects include:
*Sequences: If a table column references a sequence that generates default values, the cloned table may reference the source or cloned sequence, depending on where the sequence is defined. To avoid conflicts, the sequence reference should be re-pointed to the desired sequence using the ALTER TABLE command2.
*Storage integrations: If a stage or a table references a storage integration, the cloned object may still reference the source storage integration, which may not be accessible or valid in the new environment. To avoid errors, the storage integration reference should be re-pointed to the desired storage integration using the ALTER STAGE or ALTER TABLE command34.
*Views, secure views, and materialized views: If a view references another view or table, the cloned view may still reference the source object, which may not be accessible or valid in the new environment. To avoid errors, the view reference should be re-pointed to the desired object using the CREATE OR REPLACE VIEW command5.
1: Cloning Considerations | Snowflake Documentation 2: [ALTER TABLE | Snowflake Documentation] 3:
[ALTER STAGE | Snowflake Documentation] 4: [ALTER TABLE | Snowflake Documentation] 5: [CREATE VIEW | Snowflake Documentation]


NEW QUESTION # 53
A Snowflake Administrator created a role ROLE_MANAGED_ACCESS and a schema SCHEMA_MANAGED_ACCESS as follows:
USE ROLE SECURITYADMIN;
CREATE ROLE ROLE_MANAGED_ACCESS;
GRANT ROLE ROLE_MANAGED_ACCESS TO ROLE SYSADMIN;
GRANT USAGE ON WAREHOUSE COMPUTE_WH TO ROLE ROLE_MANAGED_ACCESS;
GRANT ALL privileges ON DATABASE WORK TO ROLE ROLE_MANAGED_ACCESS;
USE ROLE ROLE_MANAGED_ACCESS;
CREATE SCHEMA SCHEMA_MANAGED_ACCESS WITH MANAGED ACCESS;
USE ROLE SECURITYADMIN;
GRANT SELECT, INSERT ON FUTURE TABLES IN SCHEMA SCHEMA MANAGED ACCESS to ROLE_MANAGED_ACCESS; The Administrator now wants to disable the managed access on the schema.
How can this be accomplished?

  • A. ALTER SCHEMA SCHEMA MANAGED ACCESS DISABLE MANAGED ACCESS;
  • B. REVOKE SELECT, INSERT ON FUTURE TABLES IN SCHEMA SCHEMA_MANAGED_ACCESS FROM ROLE_MANAGED_ACCESS; ALTER SCHEMA SCHEMA MANAGED ACCESS DISABLE MANAGED ACCESS;
  • C. USE ROLE ROLE_MANAGED_ACCESS;
    DROP SCHEMA WORK. SCHEMA MANAGED_ACCESS;
    CREATE SCHEMA SCHEMA_MANAGED_ACCESS WITHOUT MANAGED ACCESS;
    Then recreate all needed objects.
  • D. USE ROLE ROLE MANAGED_ACCESS;
    DROP SCHEMA WORK. SCHEMA_MANAGED_ACCESS;
    CREATE SCHEMA SCHEMA_MANAGED_ACCESS;
    Then recreate all needed objects.

Answer: A

Explanation:
Explanation
According to the Snowflake documentation1, you can change a managed access schema to a regular schema using the ALTER SCHEMA statement with the DISABLE MANAGED ACCESS keywords. This will disable the managed access feature on the schema and revert the access control to the default behavior. Option B is incorrect because dropping and recreating the schema will also delete all the objects and metadata in the schema, which is not necessary to disable the managed access. Option C is incorrect because revoking the privileges on the future tables from the role is not required to disable the managed access. Option D is incorrect because there is no WITHOUT MANAGED ACCESS option in the CREATE SCHEMA statement.


NEW QUESTION # 54
Which statement allows this user to access this Snowflake account from a specific IP address (192.168.1.100) while blocking their access from anywhere else?

  • A. CREATE NETWORK POLICY ADMIN POLICY
    ALLOWED_IP_LIST = ('192.168.1.100');
    ALTER ROLE ACCOUNTADMIN SET NETWORK_POLICY = 'ADMIN_POLICY';
  • B. CREATE NETWORK POLICY ADMIN_POLICY
    ALLOWED IP LIST = ('192.168.1.100')
    BLOCKED_IP_LIST = ('0.0.0.0/0');
    ALTER USER ABC SET NETWORK_POLICY = 'ADMIN_POLICY';
  • C. CREATE NETWORK POLICY ADMIN_POLICY
    ALLOWED_IP_LIST = ('192.168.1.100');
    ALTER USER ABC SET NETWORK_POLICY = 'ADMIN_POLICY';
    User ABC is the only user with an ACCOUNTADMIN role.
  • D. CREATE OR REPLACE NETWORK POLICY ADMIN_POLICY
    ALLOWED_IP_LIST = ('192.168. 1. 100/0') ;
    ALTER USER ABC SET NETWORK_POLICY = 'ADMIN_POLICY';

Answer: B

Explanation:
Explanation
Option C creates a network policy that allows only the IP address 192.168.1.100 and blocks all other IP addresses using the CIDR notation 0.0.0.0/01. It then applies the network policy to the user ABC, who has the ACCOUNTADMIN role. This ensures that only this user can access the Snowflake account from the specified IP address, while blocking their access from anywhere else. Option A does not block any other IP addresses, option B applies the network policy to the role instead of the user, and option D uses an invalid CIDR notation.


NEW QUESTION # 55
......

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