Snowflake COF-C03 Certification Exam Sample Questions

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Snowflake COF-C03 Sample Questions:

01. What is the default value of the table property DATA_RETENTION_TIME_IN_DAYS for an account on the Enterprise Edition of Snowflake?
a) 1
b) 10
c) 90
d) 0
 
02. How are columns stored within a Snowflake micro-partition?
a) In a row format, with complete rows stored in each micro-partition
b) In a columnar format, with each column compressed and stored individually
c) In a CSV format, in a comma-separated manner
d) In Parquet format
 
03. When a virtual warehouse's local data cache fills up, in which order is data flushed out of the cache?
a) First In First Out (FIFO)
b) Last In Last Out (LILO)
c) MOST-RECENTLY USED (MRU)
d) LEAST-RECENTLY USED (LRU)
 
04. Who can create a network policy in Snowflake?
(Choose two.)
a) ORGADMIN only
b) A role with the CREATE SECURITY INTEGRATION privilege
c) SYSADMIN only
d) SECURITYADMIN or higher roles
e) A role with the CREATE NETWORK POLICY privilege
 
05. Which result from the APPROXIMATE_SIMILARITY estimation function would indicate two sets of rows overlap significantly but are not identical?
a) 1
b) 0.0
c) 0.8
d) 0.1
 
06. Two users share a virtual warehouse named wh_dev_01. When one of the users loads data, the other experiences performance issues while querying data.
How does Snowflake recommend resolving this issue?
a) Scale up the existing warehouse.
b) Create separate warehouses for each workload.
c) Create separate warehouses for each user.
d) Stop loading and querying data at the same time.
 
07. Automatic clustering improves performance on queries that include which of the following constructs?
(Choose two.)
a) JOIN
b) SELECT
c) SYSTEM$WHITELIST
d) WHERE
e) COPY INTO <location>
 
08. While clustering a table, columns of which data types can be used as clustering keys?
(Choose two.)
a) GEOGRAPHY
b) OBJECT
c) BINARY
d) GEOMETRY
e) VARIANT
 
09. Once data has entered Fail-safe storage, who can access it?
a) Any user
b) Snowflake support
c) The ACCOUNTADMIN role
d) The role that owns the object
 
10. External tables are a good solution in which of the following situations?
(Choose three.)
a) Typically only a subset of the data is being accessed.
b) The data is in a binary format and cannot be loaded into Snowflake.
c) The data is not accessed frequently.
d) The data already sits in a cloud data lake, for example Amazon S3 or Azure Blob Storage.

Answers:

Question: 01
Answer: a		 Question: 02
Answer: b		 Question: 03
Answer: d		 Question: 04
Answer: d, e		 Question: 05
Answer: c
Question: 06
Answer: b		 Question: 07
Answer: a, d		 Question: 08
Answer: c, d		 Question: 09
Answer: b		 Question: 10
Answer: a, c, d

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