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Preparing for the Certified LabVIEW Associate (CLAD) Exam

Preparing for the Certified LabVIEW Associate (CLAD) Exam. NI Training & Certification. Presentation Agenda. National Instruments certification program overview LabVIEW certification track, exams and processes CLAD exam Preparation materials Exam format and question types

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Preparing for the Certified LabVIEW Associate (CLAD) Exam

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  1. Preparing for the Certified LabVIEW Associate (CLAD) Exam NI Training & Certification

  2. Presentation Agenda • National Instruments certification program overview • LabVIEW certification track, exams and processes • CLAD exam • Preparation materials • Exam format and question types • Exam topics and related questions • Objective : Increase your chances to successfully complete the CLAD certification exam

  3. Certified Associate Developer • LabVIEW • Certified Developer • LabVIEW • LabWindows CVI • TestStand • Certified Architect • LabVIEW • TestStand Certification Program Overview Mastery Experience Foundation

  4. What Level Should You Pursue? Foundation Experience Mastery • Technician/ Basic Developer: • Infrequent LabVIEW Developer or “Casual coder” • Spending fewer than 10 hours a week developing applications in LabVIEW • Only planning one LabVIEW project • Developing or supporting small to medium measurement and control applications in LabVIEW (<50 VIs) • Software Engineer: • Using LabVIEW on regular basis to develop applications • Designing and developing medium to large applications in the LabVIEW (50 to 500 VIs) • Significantly modifying or upgrading previously developed code • Developing an application to be used, supported, or maintained by others • Software Architect: • Designing the architecture for a large LabVIEW application (500 + Vis) from high-level design requirements • Project managing a team of more than one LabVIEW developer • Working in a regulated industry (Mil/Aero, Automotive, Medical) • Designing a ‘mission critical’ application How to Navigate the LabVIEW Learning Curve Tutorial

  5. LabVIEW Training & Certification Path LabVIEW Core 1 & 2 LabVIEW Core 3 & Connectivity Advanced Architectures for LabVIEW • Modular application development • Structured design and development practices • Inter-application communication and connectivity techniques • Large application design • Advanced development techniques • Implementing multi-developer projects • LabVIEW fundamentals • Basic application creation using LabVIEW • Basics of data acquisition & instrument control • Demonstrates experience in developing scalable, readable and maintainable applications • Develops, debugs, and deploys medium to large scale applications • Demonstrates knowledge of core features and functions • Develops, debugs and maintains small LabVIEW modules • Demonstrates mastery in architecting applications for multi-developer teams • Develops requirements architectures, tools, components and best practices for team

  6. LabVIEW Certification Exams and Process Certified LabVIEW Associate Developer Certified LabVIEW Developer Certified LabVIEW Architect • Objective style exam (multiple choice) • 1 hour long • Scheduled (online) via Pearson Vue’s web page • Administered and proctored by Pearson Vue • Evaluated automatically • Results available to candidate upon exam completion • Certificate is mailed or emailed by Training & Certification • Short answer and practical development exam • Same as CLD • Practical development exam • 4 hours long • Scheduled by Training & Certification or NI branch • Administered by Training & Certification, proctored by NI representative • Evaluated and concurred by two engineers • 4 week process • Certificate is mailed by Training & Certification

  7. Certified LabVIEW Associate Developer (CLAD) Exam

  8. CLAD Exam Format & Style Multiple choice style – 40 questions 37 questions have one anwer 3 questions have multiple answers These questions will be clearly identified Time allocated: 1 hour Computer Based Test Mark questions for review – can go back to review items after completion Skip questions – can go back to skipped items

  9. CLAD Exam Question Format & Style • Question format • Multiple choice, application based • Graphical - Questions / answers may contain screen shots of VIs / functions • Question style • Given a scenario, determine the best function / method for solving the problem or for completing the functionality • Given a block diagram, predict the outcome • Identify features and components of LabVIEW

  10. CLAD Preparation Steps • Review the exam topics in the CLAD Exam Preparation Guide • Identify any knowledge gap • Attend NI Training courses or utilize resources (at the end of the CLAD exam preparation guide) to close the knowledge gaps • Assess yourself - Take the Sample exam • Webcast - Understand the Most Missed Concepts within the CLAD Exam

  11. CLAD Exam Topics • LabVIEW programming concepts • LabVIEW environment • Software constructs in LabVIEW • Programming VIs and functions • Data communication and synchronization VIs and functions • VI Server VIs and functions • Error handling VIs and functions • Design patterns • SubVI design • Debugging tools and techniques • VI design and documentation (style) practices • Memory, performance, and determinism

  12. CLAD Exam Topic LabVIEW programming concepts: Data flow Identify programming practices that enforce data flow on the block diagram, in VIs, and SubVIs Identify programming practices that break data flow

  13. Dataflow LabVIEW follows a dataflow model for running VIs • A node executes only when data are available at all of its input terminals • A node supplies data to the output terminals only when the node finishes execution

  14. CLAD Exam Topic – Programming Concepts

  15. CLAD Exam Topic – Programming Practices

  16. CLAD Exam Topic Software constructs in LabVIEW Program control structures and data storage Select a While Loop or a For Loop for the most appropriate looping structure

  17. Loops While Loop • While Loops • i terminal counts iteration • Always runs at least once • Runs until stop condition is met For Loop • For Loops • i terminal counts iterations • Run according to input N of count terminal

  18. CLAD Exam Topic Software constructs in LabVIEW Program control structures and data storage Determine the data values in the shift registers after a set number of iterations occur or upon loop termination

  19. CLAD Exam Topic – Shift registers

  20. CLAD Exam Topic Software constructs in LabVIEW Program control structures and data storage Identify the advantages of Event structures for event-driven programming Identify the components of an Event structure Identify the different events that an Event structure can handle

  21. The Event Structure • Examples of User Interface (Static) Events • Pressing a button on the mouse • Pressing a key on the keyboard • Value (Signaling) Property can generate a programmatic event

  22. Notify and Filter Events Notify Events (green arrow) Notifies LabVIEW that a user action has already occurred; available only in the Event Data Node Filter Events (red arrow) Validates or changes the event data before the user interface can process it; available in the Event Filter Node and Event Data Node

  23. CLAD Exam Topic Software constructs in LabVIEW Working with front panel window objects and data types Determine if a type definition or a strict type definition is needed to represent a data item

  24. CLAD Exam Topic – Type Definitions

  25. CLAD Exam Topic • Programming VIs and functions • Determine the output or intermediate values of data elements in an application that utilizes VIs and functions • Determine the most appropriate VI(s) or function(s) to complete a specified functionality

  26. CLAD Question – Timing Functions

  27. CLAD Exam Topic • Data communication and synchronization VIs and functions • Identify the pros and cons of and use local, global, or shared variables for data communication

  28. CLAD Question – Global & Local Variables

  29. CLAD Exam Topic • Design patterns • Identify a design pattern, explain its pros and cons, and compare it with other design patterns

  30. CLAD Question – Design Patterns

  31. CLAD Question – Design Patterns

  32. CLAD Exam Topic • Debugging tools and techniques • Given an error situation, select the most appropriate method to debug the error

  33. CLAD Question – Debugging Tools & Techniques

  34. CLAD Exam Topic SubVI Design Connector pane and connection types Identify which terminals are Required, Recommended, or Optional

  35. CLAD Exam Topic – Connector Pane (More than one answer may apply)

  36. CLAD Success - Next Steps • Immediately eligible to take the CLD exam • Form / participate in user groups with CLD / CLAs • Prepare for the CLD exam using resources on Developer Zone • Time yourself during practice exams • Schedule to take the exam by emailing certification@ni.com • Note: CLAD certification must be current to take the CLD exam

  37. CLAD - Recertification • CLAD certification is valid for 2 years • Recertification email sent out 3 months and 1 month before CLAD expiration • Recertification exam is another CLAD exam • Recommendation: Take the CLD exam and certify as a CLD before CLAD expires

  38. Questions? • Exam related questions • Visitni.com/training/certificationfor program information and preparation resources Best wishes on your Certification Exam !

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