SASInstitute A00-420 Exam : SAS Viya Intermediate Programming

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SASInstitute A00-420 Exam Syllabus Topics:

SASInstitute SAS Viya Intermediate Programming Sample Questions:

1. You want to generate totals and averages by year for a very large Teradata table using SAS Viya programming methods.
What is the most efficient way to achieve this?

A) Load the table into CAS memory and use a CAS procedure to summarize it.
B) Summarize the data using a SAS in-database procedure.
C) Read the table directly with a SAS summary procedure that executes on the Compute Server.
D) Create a SAS dataset copy of the table, load it into CAS memory and summarize with a CAS procedure.

2. What is the purpose of the BY statement in CAS language programming?

A) To group data by one or more variables
B) To merge multiple tables
C) To specify the output format
D) To subset the data

3. The following code is executed multiple times:
data casuser.eurorders;
set casuser.orders end=eof;
if Continent="Europe" then EurOrders+1;
if eof=1 then output;
keep EurOrders;
run;
proc print data=casuser.eurorders;
run;
Will the rows in the output table be sorted the same way for each execution and why?

A) Yes, because only one row will be printed.
B) No, because each thread inserts a row into the casuser.eurorders table when it ends.
C) No, because the CAS Controller randomly reads the casuser.eurorders table when processing the proc print.
D) Yes, because by default CAS sorts the output table.

4. What is the syntax for submitting a SAS Viya program in SAS Studio?

A) SUBMIT;
B) EXECUTE;
C) RUN;
D) PROCESS;

5. DATA step performance in CAS is most affected:

A) by the cardinality of the first variable listed in the BY statement.
B) when the NOTSORTED option is used in the BY statement.
C) when the DESCENDING option is used in the BY statement.
D) when data is not sorted prior to using a BY statement.

Solutions: