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SASInstitute A00-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: 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 |
| Topic 2: 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 |
| Topic 3: Prepare Data with CAS Actions | 22% | - Update, copy and alter in-memory tables - Using dataStep and fedSQL action sets - Data type conversion and missing value imputation |
| Topic 4: 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 |
| Topic 5: Explore and Validate Data with CAS Actions | 8% | - Inspecting table metadata and content - Identifying duplicates and invalid values |
| Topic 6: 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 |
| Topic 7: Access Data with CAS Actions | 8% | - Loading, uploading and promoting tables - Managing caslibs and data sources |
| Topic 8: Analyze and Summarize Data with CAS Actions | 7% | - Generating visualizations and reports via ODS - Summary statistics and frequency tables |
| Topic 9: CAS Language Basics | 18% | - CASL syntax, variables, arrays and dictionaries - Capturing and processing CAS action results - Using SOURCE blocks for code substitution |
SASInstitute SAS Viya Intermediate Programming Sample Questions:
What is the purpose of the SET action in CAS language programming?
- A. To specify the input data source
- B. To perform data summarization
- C. To sort the data
- D. To define the output format
Correct Answer: A 🗳️
Which programming language is used in the DATA step of SAS CAS?
- A. R
- B. Python
- C. SAS
- D. SQL
Correct Answer: C 🗳️
Which SQL clause is used to filter rows in a CAS table based on specified conditions?
- A. WHERE
- B. GROUP BY
- C. SELECT
- D. FROM
Correct Answer: A 🗳️
Which CAS action is used to compute the frequency count of unique values in a column of a CAS table?
- A. cas.uniq
- B. cas.count
- C. cas.frequency
- D. cas.distinct
Correct Answer: A 🗳️
Which CAS action is used to retrieve a subset of rows and columns from a CAS table?
- A. cas.fetch
- B. cas.filter
- C. cas.select
- D. cas.sample
Correct Answer: A 🗳️
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