SASInstitute A00-420 : SAS Viya Intermediate Programming

  • Exam Code: A00-420
  • Exam Name: SAS Viya Intermediate Programming
  • Updated: Sep 16, 2026
  • Q & A: 256 Questions and Answers

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SASInstitute A00-420 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Prepare Data with CAS Actions20-25%- Data preparation using CAS actions
  • 1. Transform and cleanse data
  • 2. Join and reshape data
  • 3. Create computed columns
  • 4. Handle missing values
Topic 2: CAS Language Basics15-20%- CASL fundamentals
  • 1. Execute CAS actions
  • 2. Manage CAS sessions
  • 3. CASL syntax and programming structures
Topic 3: Explore and Validate Data with CAS Actions5-10%- Data exploration and validation
  • 1. Profile and validate data quality
  • 2. Inspect table metadata
Topic 4: Analyze and Summarize Data with CAS Actions5-10%- Data analysis and summarization
  • 1. Aggregate and report data
  • 2. Generate summary statistics
Topic 5: Access Data with CAS Actions5-10%- Data access using CAS actions
  • 1. Retrieve data from CAS tables
  • 2. Access external data sources
Topic 6: Managing Data with CAS-Enabled Procedures10-15%- Managing data with CAS-enabled procedures
  • 1. Load and save CAS tables
  • 2. Manipulate in-memory data
  • 3. Use CAS-enabled SAS procedures
Topic 7: Programming in SAS Viya Concepts5-10%- Programming in SAS Viya concepts
  • 1. Distributed processing concepts
  • 2. CAS server fundamentals
  • 3. SAS Viya architecture concepts
Topic 8: DATA Step and SQL Programming in CAS10-15%- DATA step and SQL programming in CAS
  • 1. Execute SQL processing in CAS
  • 2. Optimize code for distributed environments
  • 3. Modify DATA step programs for CAS
Topic 9: CAS-Enabled Procedures and User-Defined Formats5-10%- CAS-enabled procedures and formats
  • 1. Work with supported CAS procedures
  • 2. Apply user-defined formats in CAS

SASInstitute SAS Viya Intermediate Programming Sample Questions:

Question #1

What is the primary advantage of using CAS language programming in SAS?

  • A. Improved visualization capabilities
  • B. Advanced statistical modeling techniques
  • C. Faster data processing
  • D. Easier data exploration
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #2

What is the purpose of the SET statement in the DATA step?

  • A. To define the input data source
  • B. To apply formatting to variables
  • C. To specify conditional logic
  • D. To create a new variable
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #3

Which CAS action is used to calculate the total count, distinct count, and missing count for variables in a CAS table?

  • A. cas.unique
  • B. cas.missing
  • C. cas.count
  • D. cas.summary
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #4

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 string type variable that contains the name of a table in caslib casuser.
  • B. Row is an array containing the values with information on each table in caslib casuser.
  • C. Row is a dictionary containing key=value pairs with information on each table in caslib casuser.
  • D. Row is comma separated string containing name and additional information of tables in caslib casuser.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Question #5

In SAS Viya, what is the purpose of the SAS Studio application?

  • A. To build machine learning models
  • B. To perform data visualization
  • C. To write and execute SAS programs
  • D. To create interactive reports
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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