SASInstitute A00-420 問題集

質問 1：
What is the primary purpose of using the DATA step in CAS programming?
A. Performing complex statistical analyses
B. Importing and exporting data
C. Creating plots and graphs
D. Transforming and manipulating data
正解：D

質問 2：
CAS stands for:
A. Cluster Access System
B. Clustered Analytics Server
C. Computer Analysis System
D. Cloud Analytics Server
正解：D

質問 3：
What is the purpose of the WHERE clause in CAS language programming?
A. To join multiple tables together
B. To filter rows based on specified conditions
C. To specify the output variables
D. To define the input data source
正解：B

質問 4：
In SAS Viya, what is the purpose of the DATA step?
A. To generate statistical reports
B. To create and modify SAS datasets
C. To import external data into SAS
D. To perform data visualization
正解：B

質問 5：
How can you view the contents of a CAS table?
A. Using the CASLIB action
B. Using the TABLE action
C. Using the FETCH action
D. Using the LOAD action
正解：B

質問 6：
Which statement is true about the Compute Server?
A. It processes programs written in SAS, Python, Java, and other open source client languages.
B. It supports the creation and execution of Macro programs.
C. It generally outperforms the CAS server for data sources that are larger than 50 Gigabytes.
D. It processes distributed data in multiple threads.
正解：B

質問 7：
Which CASL program will fetch all 428 rows from the cars table?
A. proc cas;
table.fetch /
table={name="cars", caslib="casuser"},
from=1,
to=1000;
quit;
B. proc cas;
table.fetch /
table={name="cars", caslib="casuser"},
from=1;
quit;
C. . proc cas;
table.fetch /
table={name="cars", caslib="casuser"},
from=1,
to=_maxrows_;
quit;
D. proc cas;
table.fetch /
table={name="cars", caslib="casuser"},
from=1,
to=_all_;
quit;
正解：A

質問 8：
Which CAS action is used to validate the integrity of relationships between variables in a CAS table?
A. cas.integrity
B. cas.link
C. cas.relationship
D. cas.validate
正解：C