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SASInstitute A00-420 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Managing Data with CAS Enabled Procedures | 13% | - Loading, promoting, saving and dropping in-memory tables - Working with CAS libraries and sessions - CAS column data types and conversion |
| CAS-Enabled Procedures and User Defined Formats | 8% | - User-defined formats in CAS - Using PROC MEANS, SUMMARY, FREQTAB, MDSUMMARY - Procedures running on CAS vs Compute Server |
| Explore and Validate Data with CAS Actions | 8% | - Identifying duplicates and invalid values - Inspecting table metadata and content |
| CAS Language Basics | 18% | - Capturing and processing CAS action results - Using SOURCE blocks for code substitution - CASL syntax, variables, arrays and dictionaries |
| Access Data with CAS Actions | 8% | - Loading, uploading and promoting tables - Managing caslibs and data sources |
| Analyze and Summarize Data with CAS Actions | 7% | - Generating visualizations and reports via ODS - Summary statistics and frequency tables |
| 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 |
| 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 |
| DATA Step and SQL Programming in CAS | 13% | - Execution location and threading rules - Updating DATA step for CAS compatibility - Converting PROC SQL to PROC FEDSQL |
SASInstitute SAS Viya Intermediate Programming Sample Questions:
1. Which CASL program correctly adds the Sales caslib to access data in the /data/sales folder?
A) proc cas;
table.addCaslib /
name="sales",
dataSource={srctype="path"},
path="sales";
run;
B) proc cas;
table.addCaslib /
name="sales",
path="/data/sales";
run;
C) proc cas;
table.addCaslib,
name="/data/sales",
path="/data/sales";
run;
D) proc cas;
table.addCaslib /
name="/data/sales",
dataSource={srctype="path"};
run;
2. Which CAS action is used to retrieve a subset of rows and columns from a CAS table?
A) cas.sample
B) cas.select
C) cas.filter
D) cas.fetch
3. 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.')
4. Given the following array: x= {"May", "August", "September"};
What is the correct reference to the element containing the value May?
A) x.get(0)
B) x.get(1)
C) x[0]
D) x[1]
5. In the space below, add 1 character to complete the syntax.
proc cas;
table.tableDetails Answer
aslib="casuser", name=employees";
quit;
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: D | Question # 3 Answer: A | Question # 4 Answer: D | Question # 5 Answer: Only visible for members |

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