Snowflake DEA-C01 Certification Exam Sample Questions

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Snowflake DEA-C01 Sample Questions:

01. What are the different locations where you can define the file format options?
a) COPY INTO TABLE statement.
b) Stage definition.
c) Table definition.
d) Database definition
 
02. A high churn table has active data size of only 700 GB, however the allocated storage is more than 1 TB. What may be the potential reasons?
a) The table is truncated and loaded everyday. The table has time travel and fail safe enabled.
b) Large loads happen everyday, hence existing micropartitions are deleted and new micro partitions get created
c) The size of the virtual warehouse is too small to handle the table data
d) Incorrect sizing of the table is done
 
03. In which of the below use cases does Snowflake applies data egress charge?
a) Unloading data from Snowflake
b) Database replication
c) External functions
d) Loading data into Snowflake
 
04. What are the two techniques available to query hierarchical data?
a) RECURSIVE CTEs
b) CONNECT WITH
c) CONNECT BY
d) RECURSION
 
05. You get 2MB files per minute everyday. If you consider only snowflake cost, what is the best option to process such files. You can choose any file format that you want.
a) CSV with snowpipe
b) AVRO with snowpipe
c) Create a dedicated virtual warehouse and use JSON file format
d) Create a dedicated virtual warehouse and use AVRO file format
 
06. Which information can be obtained from system$clustering_information?
a) max_depth
b) average_depth
c) average_overlaps
d) total_partition_count
 
07. While loading a table from an internal stage, you received the below error. What two options can you choose from below to fix this?
a) Use FIELD_OPTIONALLY_ENCLOSED_BY to enclose strings
b) Add the required column in the TABLE
c) Use SKIP_FILE to skip the file and continue
d) Use error_on_column_count_mismatch=false
 
08. Which of the below tools can be used to evaluate the network connection to Snowflake at any time to verify the required configuration settings are correct?
a) SNOWSQL
b) SNOWPIPE
c) SNOWSIGHTS
d) SNOWCD
e) SNOWPARK
 
09. When queried, a stream accesses and returns the historic data in the same shape as the source table (i.e. the same column names and ordering) with additional columns.
What are those columns?
a) METADATA$ACTION
b) METADATA$ROW_NUMBER
c) METADATA$ISUPDATE
d) METADATA$ROW_ID
 
10. Which of the below are benefits of micro partitioning?
a) Micro partitions are derived automatically
b) Micro partitions need to be maintained by users
c) Micro partitions enables extremely efficient DML and fine-grained pruning for faster queries
d) Columns are stored independently within micro-partitions
e) Columns are compressed individually within micro-partitions

Answers:

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

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