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SASInstitute A00-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| CAS Language Basics | 18% | - Using SOURCE blocks for code substitution - CASL syntax, variables, arrays and dictionaries - Capturing and processing CAS action results |
| CAS-Enabled Procedures and User Defined Formats | 8% | - Using PROC MEANS, SUMMARY, FREQTAB, MDSUMMARY - User-defined formats in CAS - Procedures running on CAS vs Compute Server |
| Analyze and Summarize Data with CAS Actions | 7% | - Generating visualizations and reports via ODS - Summary statistics and frequency tables |
| Explore and Validate Data with CAS Actions | 8% | - Inspecting table metadata and content - Identifying duplicates and invalid values |
| Managing Data with CAS Enabled Procedures | 13% | - Working with CAS libraries and sessions - Loading, promoting, saving and dropping in-memory tables - CAS column data types and conversion |
| Access Data with CAS Actions | 8% | - Loading, uploading and promoting tables - Managing caslibs and data sources |
| 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 |
| 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 |
| Prepare Data with CAS Actions | 22% | - Using dataStep and fedSQL action sets - Update, copy and alter in-memory tables - Data type conversion and missing value imputation |
SASInstitute SAS Viya Intermediate Programming Sample Questions:
1. Which CAS action is used to perform a cross-tabulation of two categorical variables in a CAS table?
A) cas.pivot
B) cas.crosstab
C) cas.summary
D) cas.tabulate
2. Which SAS component enables CAS-enabled procedures?
A) SAS Studio
B) SAS Visual Analytics
C) SAS Data Preparation
D) SAS Cloud Analytic Services (CAS)
3. Which CAS-enabled procedure is used to generate descriptive statistics for CAS tables?
A) CASTATS
B) CASUTIL
C) CASDESCRIBE
D) CASMEANS
4. Which CAS action is used to create a new variable in the DATA step?
A) COMPUTE
B) FORMAT
C) DROP
D) ALTER TABLE
5. What is the purpose of the SAS Explorer in SAS Studio?
A) To visualize data in graphical format
B) To manage and organize SAS files and folders
C) To perform data cleaning and transformation
D) To write and execute SAS programs
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: B |
