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눈송이 ARA-C01 인증 시험을 준비하려면 후보자는 눈송이 아키텍처 및 데이터웨어 하우징 원리에 대해 깊은 이해를 가져야합니다. 또한 눈송이 관리, 성능 최적화 및 보안에 대한 경험이 있어야합니다. 후보자가 눈송이 문서, 교육 과정 및 실습 시험을 포함하여 시험을 준비하는 데 도움이되는 몇 가지 리소스가 있습니다.
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Snowflake ARA-C01 (SnowPro Advanced Architect Certification) 인증 시험은 눈송이 플랫폼의 기술적 측면에서 개인의 능력을 테스트하도록 설계된 엄격한 인증 시험입니다. 이 인증 시험은 고급 눈송이 솔루션 설계 및 구현에 대한 지식과 기술을 검증하려는 숙련 된 건축가 및 엔지니어를 대상으로합니다. Snowflake ARA-C01 시험은 눈송이 아키텍처, 보안, 성능 튜닝, 데이터웨어 하우징 및 데이터 통합을 포함한 다양한 주제를 다룹니다.
질문 # 30
When loading data into a table that captures the load time in a column with a default value of either CURRENT_TIME () or CURRENT_TIMESTAMP() what will occur?
정답：B
설명：
According to the Snowflake documentation, when loading data into a table that captures the load time in a column with a default value of either CURRENT_TIME () or CURRENT_TIMESTAMP(), the default value is evaluated once per COPY statement, not once per row. Therefore, all rows loaded using a specific COPY statement will have the same timestamp value. This behavior ensures that the timestamp value reflects the time when the data was loaded into the table, not when the data was read from the source or created in the source.
References:
* Snowflake Documentation: Loading Data into Tables with Default Values
* Snowflake Documentation: COPY INTO table
질문 # 31
You are creating a TASK to query a table streams created on the raw table and insert subsets of rows into multiple tables. You are following the below steps, but when you reached the step to resume the task, you received an error message as below.
Why is this error thrown and who can give you the required privilege?
Steps to be followed to get this error
-- Create a landing table to store raw JSON data.
-- Snowpipe could load data into this table. create or replace table raw (var variant);
-- Create a stream to capture inserts to the landing table.
-- A task will consume a set of columns from this stream. create or replace stream rawstream1 on table raw;
-- Create a second stream to capture inserts to the landing table.
-- A second task will consume another set of columns from this stream. create or replace stream rawstream2 on table raw;
-- Create a table that stores the names of office visitors identified in the raw data. create or replace table names (id int, first_name string, last_name string);
-- Create a table that stores the visitation dates of office visitors identified in the raw data.
create or replace table visits (id int, dt date);
-- Create a task that inserts new name records from the rawstream1 stream into the names table
-- every minute when the stream contains records.
-- Replace the 'mywh' warehouse with a warehouse that your role has USAGE privilege on. create or replace task raw_to_names
warehouse = etl_wh
schedule = '1 minute'
when
system$stream_has_data('rawstream1')
as
merge into names n
using (select var:id id, var:fname fname, var:lname lname from rawstream1) r1 on n.id = to_number(r1.id)
when matched then update set n.first_name = r1.fname, n.last_name = r1.lname
when not matched then insert (id, first_name, last_name) values (r1.id, r1.fname, r1.lname)
;
-- Create another task that merges visitation records from the rawstream1 stream into the visits table
-- every minute when the stream contains records.
-- Records with new IDs are inserted into the visits table;
-- Records with IDs that exist in the visits table update the DT column in the table.
-- Replace the 'mywh' warehouse with a warehouse that your role has USAGE privilege on. create or replace task raw_to_visits
warehouse = etl_wh schedule = '1 minute' when
system$stream_has_data('rawstream2') as
merge into visits v
using (select var:id id, var:visit_dt visit_dt from rawstream2) r2 on v.id = to_number(r2.id) when matched then update set v.dt = r2.visit_dt
when not matched then insert (id, dt) values (r2.id, r2.visit_dt);
-- Resume both tasks.
alter task raw_to_names resume;
정답：B
질문 # 32
Following objects can be cloned in snowflake
정답：A,C,E
질문 # 33
A user can change object parameters using which of the following roles?
정답：A
설명：
According to the Snowflake documentation, object parameters are parameters that can be set on individual objects such as databases, schemas, tables, and stages. Object parameters can be set by users with the appropriate privileges on the objects. For example, to set the object parameter AUTO_REFRESH on a table, the user must have the MODIFY privilege on the table. The ACCOUNTADMIN role has the highest level of privileges on all objects in the account, so it can set any object parameter on any object. However, other roles, such as SECURITYADMIN or SYSADMIN, do not have the same level of privileges on all objects, so they cannot set object parameters on objects they do not own or have the required privileges on. Therefore, the correct answer is C. ACCOUNTADMIN, USER with PRIVILEGE.
Reference:
Parameters | Snowflake Documentation
Object Parameters | Snowflake Documentation
Object Privileges | Snowflake Documentation
질문 # 34
An Architect entered the following commands in sequence:
USER1 cannot find the table.
Which of the following commands does the Architect need to run for USER1 to find the tables using the Principle of Least Privilege? (Choose two.)
정답：B,E
설명：
* According to the Principle of Least Privilege, the Architect should grant the minimum privileges necessary for the USER1 to find the tables in the SANDBOX database.
* The USER1 needs to have USAGE privilege on the SANDBOX database and the SANDBOX.PUBLIC schema to be able to access the tables in the PUBLIC schema. Therefore, the commands B and C are the correct ones to run.
* The command A is not correct because the PUBLIC role is automatically granted to every user and role in the account, and it does not have any privileges on the SANDBOX database by default.
* The command D is not correct because it would transfer the ownership of the SANDBOX database from the Architect to the USER1, which is not necessary and violates the Principle of Least Privilege.
* The command E is not correct because it would grant all the possible privileges on the SANDBOX database to the USER1, which is also not necessary and violates the Principle of Least Privilege.
Snowflake - Principle of Least Privilege : Snowflake - Access Control Privileges : Snowflake - Public Role :
Snowflake - Ownership and Grants
질문 # 35
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ARA-C01높은 통과율 시험대비 공부자료: https://www.itexamdump.com/ARA-C01.html
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