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SASInstitute A00-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Programming in SAS Viya Concepts | 8% | - Determining when to use CAS for tasks - Serial vs parallel and in-memory processing - SAS Viya architecture: Compute Server vs CAS |
| Explore and Validate Data with CAS Actions | 8% | - Inspecting table metadata and content - Identifying duplicates and invalid values |
| CAS-Enabled Procedures and User Defined Formats | 8% | - Procedures running on CAS vs Compute Server - Using PROC MEANS, SUMMARY, FREQTAB, MDSUMMARY - User-defined formats in CAS |
| Access Data with CAS Actions | 8% | - Managing caslibs and data sources - Loading, uploading and promoting tables |
| Managing Data with CAS Enabled Procedures | 13% | - CAS column data types and conversion - Loading, promoting, saving and dropping in-memory tables - Working with CAS libraries and sessions |
| CAS Language Basics | 18% | - CASL syntax, variables, arrays and dictionaries - Using SOURCE blocks for code substitution - Capturing and processing CAS action results |
| Prepare Data with CAS Actions | 22% | - Data type conversion and missing value imputation - Using dataStep and fedSQL action sets - Update, copy and alter in-memory tables |
| Analyze and Summarize Data with CAS Actions | 7% | - Generating visualizations and reports via ODS - Summary statistics and frequency tables |
| DATA Step and SQL Programming in CAS | 13% | - Updating DATA step for CAS compatibility - Execution location and threading rules - Converting PROC SQL to PROC FEDSQL |
SASInstitute SAS Viya Intermediate Programming Sample Questions:
1. In the following code, complete the PRINT statement to print only rows where column begins with MPG:
proc cas;
simple.summary result=res / table={name="cars"};
resultTable = res.summary;
print <insert code segment here>;
run;
A) resultTable.where("column like 'MPG%'")
B) resultTable.where(column like 'MPG%')
C) resultTable / where("column like 'MPG%'")
D) resultTable / where(column like 'MPG%')
2. Which SAS Viya component allows users to run SAS code on a distributed grid?
A) SAS Studio
B) SAS Visual Analytics
C) SAS Data Preparation
D) SAS Cloud Analytic Services (CAS)
3. Given the following CASL program:
proc cas;
table.tableInfo result=res / caslib="casuser";
do row over res.tableInfo;
print row;
end;
run;
quit;
Which statement best describes the variable row in the above program?
A) Row is an array containing the values with information on each table in caslib casuser.
B) Row is string type variable that contains the name of a table in caslib casuser.
C) Row is comma separated string containing name and additional information of tables in caslib casuser.
D) Row is a dictionary containing key=value pairs with information on each table in caslib casuser.
4. What is the primary purpose of the DATA step in SAS CAS?
A) Data visualization
B) Data manipulation
C) Data analysis
D) Data cleaning
5. Which SAS Viya component is responsible for storing and managing user-defined formats?
A) SAS Metadata Server
B) SAS Studio
C) SAS Data Connector
D) CAS server
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: B | Question # 5 Answer: A |
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