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SASInstitute A00-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Access Data with CAS Actions | 8% | - Loading, uploading and promoting tables
- Managing caslibs and data sources
|
| Managing Data with CAS Enabled Procedures | 13% | - Working with CAS libraries and sessions
- CAS column data types and conversion
- Loading, promoting, saving and dropping in-memory tables
|
| Explore and Validate Data with CAS Actions | 8% | - Identifying duplicates and invalid values
- Inspecting table metadata and content
|
| Prepare Data with CAS Actions | 22% | - Using dataStep and fedSQL action sets
- Data type conversion and missing value imputation
- Update, copy and alter in-memory tables
|
| CAS Language Basics | 18% | - Using SOURCE blocks for code substitution
- Capturing and processing CAS action results
- CASL syntax, variables, arrays and dictionaries
|
| Programming in SAS Viya Concepts | 8% | - SAS Viya architecture: Compute Server vs CAS
- Determining when to use CAS for tasks
- Serial vs parallel and in-memory processing
|
| CAS-Enabled Procedures and User Defined Formats | 8% | - User-defined formats in CAS
- Procedures running on CAS vs Compute Server
- Using PROC MEANS, SUMMARY, FREQTAB, MDSUMMARY
|
| 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. Complete the following FedSQL code to convert the character variable markup to a numeric variable.
proc cas;
session mysess;
fedSql.execDirect /
query="create table casuser.cars_fedsql {options replace=true} as
select make, model, mpg_city, mpg_highway, <insert code segment here> as markup_N from casuser.cars"; run;
A) inputn(markup,'best12.')
B) input(markup,'best12.')
C) cast(markup,'best12.')
D) put(markup,'best12.')
2. What is the purpose of the SET action in CAS language programming?
A) To sort the data
B) To perform data summarization
C) To define the output format
D) To specify the input data source
3. What is the main purpose of the DATA step in SAS Viya?
A) Importing and exporting data
B) Performing statistical analysis
C) Creating plots and graphs
D) Transforming and manipulating data
4. Which statement is used to apply a user-defined format within a PROC SQL query?
A) WHERE
B) FORMAT SASDATE
C) GROUP BY
D) FORMAT
5. Which statement is true regarding BY group processing in the CAS DATA step?
A) The DATA step orders the rows within a BY group and then orders the BY groups in the output.
B) Using the BY statement automatically sends all DATA step processing to a single thread.
C) Every row in a BY group is sent to the same thread and processed as a group.
D) The data must be sorted before the DATA step begins processing.
Solutions:
Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: D | Question # 4 Answer: D | Question # 5 Answer: C |