[2024年01月] ベストSnowPro Core学習ガイドはCOF-C02試験問題集
COF-C02認定ガイド問題と解答トレーニング
質問 # 275
A Snowflake user executed a query and received the results. Another user executed the same query 4 hours later. The data had not changed.
What will occur?
- A. The virtual warehouse that is defined at the session level will be used to read all data.
- B. No virtual warehouse will be used, data will be read from the local disk cache.
- C. No virtual warehouse will be used, data will be read from the result cache.
- D. The default virtual warehouse will be used to read all data.
正解：C
質問 # 276
On which of the following cloud platform can a Snowflake account be hosted? Choose 2 answers
- A. Amazon Web Services
- B. Oracle Cloud
- C. Private Virtual Cloud
- D. Microsoft Azure Cloud
正解：A、D
質問 # 277
Which formats does Snowflake store unstructured data in? (Choose two.)
- A. GeoJSON
- B. BLOB
- C. Array
- D. XML
- E. Object
正解：B、E
質問 # 278
Query parsing and compilation occurs in which architecture layer of the Snowflake Cloud Data Platform?
- A. Storage layer
- B. Cloud services layer
- C. Cloud agnostic layer
- D. Compute layer
正解：D
解説：
Reference: https://www.projectpro.io/article/snowflake-architecture-what-does-snowflake-do/556
質問 # 279
What is a limitation of a Materialized View?
- A. A Materialized View cannot support any aggregate functions
- B. A Materialized View cannot be defined with a JOIN
- C. A Materialized View cannot be joined with other tables
- D. A Materialized View can only reference up to two tables
正解：B
解説：
There are several limitations to using materialized views:
A materialized view can query only a single table.
Joins, including self-joins, are not supported.
質問 # 280
Which of the following is a data tokenization integration partner?
- A. DBeaver
- B. SAP
- C. Tableau
- D. Protegrity
正解：D
質問 # 281
Which of the following objects can be cloned? (Choose four.)
- A. Named File Formats
- B. Shares
- C. Users
- D. Databases
- E. Tables
- F. Schemas
正解：A、D、E、F
質問 # 282
True or False: Reader Accounts incur no additional Compute costs to the Data Provider since they are simply reading the shared data without making changes.
- A. True
- B. False
正解：B
質問 # 283
What happens when a database is cloned?
- A. It does not retain any privileges granted on the source object.
- B. It replicates all granted privileges on the corresponding child objects.
- C. It replicates all granted privileges on the corresponding child schema objects.
- D. It replicates all granted privileges on the corresponding source objects.
正解：B
質問 # 284
If a multi-cluster warehouse is using an economy scaling policy, how long will queries wait in the queue before another cluster is started?
- A. 1 minute
- B. 8 minutes
- C. 2 minutes
- D. 6 minutes
正解：D
質問 # 285
Which SQL command can be used to see the CREATE definition of a masking policy?
- A. GET_DDL
- B. SHOW MASKING POLICIES
- C. LIST MASKING POLICIES
- D. DESCRIBE MASKING POLICY
正解：A
質問 # 286
True or False: Reader Accounts are able to extract data from shared data objects for use outside of Snowflake.
- A. True
- B. False
正解：B
質問 # 287
Why would a customer size a Virtual Warehouse from an X-Small to a Medium?
- A. To accommodate more queries
- B. To accommodate fluctuations in workload
- C. To accommodate more users
- D. To accommodate a more complex workload
正解：D
質問 # 288
Which cache type is used to cache data output from SQL queries?
- A. Result cache
- B. Metadata cache
- C. Local file cache
- D. Remote cache
正解：A
質問 # 289
True or False: The user has to specify which cluster a query will run on in multi-clustering Warehouse.
- A. True
- B. False
正解：B
質問 # 290
What is the purpose of using the OBJECT_CONSTRUCT function with me COPY INTO command?
- A. Reorder the rows in a relational table and then unload the rows into a file
- B. Convert the rows in a source file to a single variant column and then load the rows from the file to a variant table.
- C. Reorder the data columns according to a target table definition and then unload the rows into the table.
- D. Convert the rows in a relational table lo a single VARIANT column and then unload the rows into a file.
正解：D
質問 # 291
What effect does WAIT_FOR_COMPLETION = TRUE have when running an ALTER WAREHOUSE command and changing the warehouse size?
- A. The warehouse size does not change until all queries currently running in the warehouse have completed.
- B. The warehouse size does not change until the warehouse is suspended and restarted.
- C. The warehouse size does not change until all queries currently in the warehouse queue have completed.
- D. It does not return from the command until the warehouse has finished changing its size.
正解：D
質問 # 292
How long is Snowpipe data load history retained?
- A. Until the pipe is dropped
- B. 64 days
- C. As configured in the create pipe settings
- D. 14 days
正解：B
質問 # 293
What are common issues found by using the Query Profile? (Choose two.)
- A. Data spilling to a local or remote disk
- B. Identifying inefficient micro-partition pruning
- C. Locating queries that consume a high amount of credits
- D. Identifying logical issues with the queries
- E. Identifying queries that will likely run very slowly before executing them
正解：B、E
質問 # 294
......
Snowflake COF-C02（Snowpro Core Certification）認定試験の準備をするために、候補者はSnowflakeのオンライントレーニングコースと実践的なラボを活用できます。また、試験で説明されるトピックの概要を提供する試験研究ガイドをレビューすることもできます。この認定試験に合格することにより、候補者はSnowflakeのクラウドデータプラットフォームの専門知識と知識を実証できます。これにより、新しいキャリアの機会と収益の可能性が高まります。
ベストSnowflake COF-C02学習ガイドと問題集は2024年に更新されました：https://jp.fast2test.com/COF-C02-premium-file.html
COF-C02認定お試しPDF最新COF-C02問題集：https://drive.google.com/open?id=1JDcL0v9z2nzRW9D0CbiyPGAahCHjibXh