[PEGA] Pega Interview Questions and Answers FAQs

Pega Interview Questions

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1. What is Pega?

Pega is a low-code platform for developing and deploying enterprise applications. It provides tools for building, deploying, and evolving complex business applications quickly and easily.

2. What are the key capabilities and benefits of Pega?

Some key capabilities and benefits of Pega include:

  • Rapid application development through drag and drop interfaces, wizards, and reusable components
  • Robust business rules and workflow management engine
  • Omni-channel access across web, mobile, and other channels
  • Unified platform for case management, customer service, and other use cases
  • Analytics and reporting capabilities
  • Cloud-native and scalable architecture
  • Security, compliance, and governance features

3. What are the components of Pega architecture?

The key components of Pega architecture are:

  • Pega Platform

    – Provides core runtime environment and services for building applications

  • Pega Express

    – Drag and drop interface for building UIs and simple applications

  • Case Management

    – Tools for modeling and automating business processes

  • Customer Decision Hub

    – Marketing, sales and customer service capabilities

  • Pega Cloud

    – Managed cloud deployment of Pega applications

4. What are the different types of objects in Pega?

The main object types in Pega include:

  • Classes

    – Used to define data structures

  • Work Objects

    – Used to pass data between different classes

  • Activities

    – Define processing logic and workfows

  • Application

    – Highest level object that defines an application

  • RuleSets

    – Contain a set of rules and processing logic

  • Data Pages

    – Define the user interface

5. What is a RuleSet in Pega?

A RuleSet in Pega contains a set of rules and processing logic related to a specific business process or application. It is used to define the underlying logic for an application, including workflows, business rules, data transformations, integration, and more. RuleSets are reusable and modular.

6. Explain Pega rules. What are the different types of rules?

Pega rules define the business logic and processing in a Pega application. The main types of rules are:

  • Data rules

    – Used for data validation, calculations, formatting, etc.

  • Declarative rules

    – Used to define policies, constraints, and eligibility

  • Processing rules

    – Define workflows, sequences, and integration

  • UI rules

    – Control visibility, read-only, mandatory fields, etc.

  • Reporting rules

    – Create reports and define their content

7. What are the different ways to create rules in Pega?

Some ways to create rules in Pega include:

  • Using the RuleSet wizard
  • Drag and drop using connectors in the UI
  • Copying and modifying existing rules
  • Using declarative rule form templates
  • Writing rule syntax manually
  • Importing rules from other RuleSets

8. What is a form in Pega? What are the different types of forms?

Forms in Pega define the user interface and screens of an application. The main types of forms are:

  • Data transform form

    – For transforming data

  • Work form

    – Simple data capture form

  • Data page

    – Complex user interface form

  • Portal form

    – Used to embed external websites

  • Clipboard form

    – Used to define form behavior

9. What is an activity in Pega?

An activity in Pega defines a step or unit of work in an application process or workflow. Activities are used to sequence business logic and processing rules. Common Pega activity types include routers, coordintors, assignments, waits, and more.

10. What are the different router types in Pega?

The main router types for controlling workflow in Pega include:

  • Decision

    – Branches workflow based on a condition

  • Split

    – Parallel workflow steps

  • Join

    – Synchronizes parallel flows

  • Recycle

    – Loops back in workflow

  • Grant

    – Wait for external trigger

Pega Interview Questions

11. What is a data transform in Pega?

A data transform is a type of processing that is used to convert or map data from one format to another. They are useful for tasks like data integration, implementing business rules, populating work objects, and automating processing.

12. What are work objects in Pega?

Work objects in Pega provide a structure to pass data between different elements like forms, activities, and classes. Work objects have defined properties that can be populated and accessed throughout the application.

13. What are the different access roles in Pega?

Some common access roles in Pega include:

  • System administrator

    – Full privileges

  • Developer

    – Build and modify applications

  • Business architect

    – Define requirements and rules

  • Business analyst

    – Create reports and dashboards

  • Tester

    – Test applications

  • Operator

    – Run and monitor applications

14. What are the different ways to deploy a Pega application?

Pega applications can be deployed in different ways:

  • Cloud deployment

    – On Pega Cloud or other cloud platforms

  • On-premise deployment

    – Within internal infrastructure

  • Managed PoC/PoV deployment

    – As a proof of concept or value

  • Mobile app

    – As a mobile application or mobile web

15. What databases can be used with Pega?

Pega supports Oracle, Microsoft SQL Server, MySQL, PostgresQL and DB2 databases.

16. What are connectors in Pega? What are they used for?

Connectors in Pega provide integration to external systems and data sources. They allow Pega applications to connect to APIs, databases, SaaS platforms, and more. Popular connectors include HTTP, JDBC, REST, SOAP, and more.

17. How does Pega implement security?

Pega provides several security features:

  • Authentication via LDAP, Active Directory, Single Sign-On
  • Access controls through access roles and rules
  • Encryption for sensitive data
  • Activity logging and auditing
  • Security policies enforcement

18. What languages can be used to build applications in Pega?

The main languages used in Pega include:

  • PegaRULES

    – Proprietary rules language for workflows, logic, etc.

  • PyRules

    – Python engine for executing Python code

  • Java

    – For custom Java code and extensions

  • SQL

    – For data transforms and queries

19. What tools and interfaces can be used to access Pega applications?

Ways to access Pega applications:

  • Pega Client

    – Desktop client for managing apps

  • Web browser

    – Through web portal or mobile web

  • APIs

    – REST, SOAP, Java APIs

  • Mobile app

    – Native iOS or Android app

  • Robotic automation

    – Automation tools connect via APIs

20. What is robotic automation in Pega? What tools can be used?

Robotic automation allows automating tasks and processes in Pega using bots and tools like RPA. Popular RPA tools used with Pega include Blue Prism, UiPath, Automation Anywhere, and WorkFusion.

21. How is reporting and dashboarding done in Pega?

Pega has built-in reporting and dashboarding capabilities through tools like Clipboard and Insight. Reports can be embedded into case managers and other tools. External BI tools can also connect to Pega data.

22. What are the similarities and differences between Pega and BPM tools?

Pega and BPM both allow modeling, automation and improvement of business processes. Key differences:

  • Pega combines BPM with CRM and case management capabilities
  • Pega offers low-code development whereas BPM often needs coding
  • BPM focuses more on backend workflows vs. Pega’s front-end focus
  • Pega has built-in features like AI, RPA, cloud, etc.

23. Can you explain Pega’s event-driven architecture?

Pega uses an event-driven architecture to trigger business logic based on system events. Rules listen for events like data changes, application actions, external signals, errors, etc. When events occur, actions are triggered through workflows, APIs, notifications, etc.

24. What are some key advantages of using Pega over custom development?

Advantages of using Pega vs. custom development:

  • Rapid application development

    – Build apps faster with low-code

  • Reusability

    – Leverage reusable components

  • Reduced costs

    – No need for large dev teams

  • Future-proof

    – Easily adapt to changing needs

  • Productivity

    – Empowers business users and developers

  • Cloud-native

    – Built for cloud deployment

25. What are some best practices for Pega development?

Some Pega development best practices:

  • Reuse existing components whenever possible
  • Modularize solutions by breaking into separate RuleSets
  • Use declarative tools over procedural code when feasible
  • Validate input data thoroughly
  • Comment code extensively for future maintenance
  • Use version control repository like Git
  • Follow naming conventions and standards

Pega Testing

26. What types of testing are performed on Pega applications?

Some key Pega testing types:

  • Unit testing

    – Testing individual rules and components

  • Integration testing

    – Testing interface between modules

  • System testing

    – End-to-end testing of entire system

  • Performance testing

    – Load, stress and scalability testing

  • Security testing

    – Testing authentication, permissions, etc.

  • Accessibility testing

    – Validate compliance with standards

  • Regression testing

    – Testing existing functionality after changes

  • User acceptance testing

    – Testing by business users

27. What tools can be used for testing Pega applications?

Some tools used for testing Pega:

  • Pega Test

    – Built-in automated testing tool

  • Selenium

    – Popular open source test automation framework

  • JMeter

    – Load and performance testing

  • QAComplete

    – Automated functional testing tool

  • BlazeMeter

    – Performance testing in cloud

  • TestComplete

    – Automated UI testing

28. How are Pega application defects tracked and managed?

Pega provides an embedded test management tool for tracking defects called Issues. Defects can be logged, prioritized, assigned, and tracked through resolution. Teams can view reports and metrics on open issues. External tools like JIRA can also be integrated.

29. What are some important Pega troubleshooting techniques?

Some Pega troubleshooting techniques:

  • Check tracing and debugging logs for errors
  • Enable tracing for suspected components
  • Add reporting rules to output key data
  • Validate expected vs. actual results
  • Reproduce issue with small test case
  • Consult documentation and Pega community
  • Contact Pega support if needed

30. How can you improve the performance of a Pega application?

Some ways to improve Pega application performance:

  • Optimize data access with indexing, caching
  • Tune SQL queries to fetch only needed data
  • Set HTML and AJAX options for faster rendering
  • Minimize custom Java code and use Piggybacking
  • Use background processing instead of synchronous
  • Distribution node architecture for large apps
  • Identify and fix bottlenecks with profiling

Pega Certification Questions

31. What are the different levels of Pega certification?

The main Pega certification levels are:

  • Pega Certified System Architect

    – Designs advanced systems

  • Pega Certified Senior System Architect

    – Leads architecture

  • Pega Certified Lead System Architect

    – Sets technical vision

  • Pega Certified Developer

    – Builds applications

  • Pega Certified Senior Developer

    – Leads development

  • Pega Certified Robotics System Architect

    – Designs RPA solutions

32. What is covered in the Pega CSA certification exam?

The Pega Certified System Architect exam covers:

  • Solution architecture and design techniques
  • Application infrastructure, deployment, installation
  • Data modeling, database design
  • Performance, troubleshooting, optimization
  • Security, compliance, governance
  • Integration, APIs, services, EDI

33. How can you prepare for Pega Platform Developer certification?

Ways to prepare for Pega Developer certification:

  • Take Pega training courses
  • Study documentation – TRs, design patterns, etc.
  • Build sample applications using Pega tools
  • Focus on core development skills – data, rules, UI
  • Take practice tests to identify knowledge gaps
  • Get hands-on Pega work experience if possible
  • Use study guides and exam preparation resources

34. What experience is required for Pega PSCA certification?

The requirements for Pega PSCA include:

  • 5+ years of experience building Pega solutions
  • Hands-on experience across full project lifecycle
  • Enterprise-scale system architecture
  • Leadership of multiple Pega developers
  • Optimization and performance tuning skills
  • Experience with cloud deployment

35. How long do Pega certifications last before renewal is required?

Pega certifications are valid for 3 years. After 3 years, certified developers need to retake the exam to maintain certification. Certification renewal helps validate that skills are kept current on the latest Pega releases.

36. What options are available for renewal of lapsed Pega certification?

If certification lapses, developers have a few renewal options:

  • Retake the exam for the current certification version
  • Take an exam prep or bootcamp course
  • Earn Professional Development Units through training
  • Move to a higher level certification exam

37. Does Pega certification renew automatically or does it require manual renewal?

Pega certifications require manual renewal and do not happen automatically. Developers must proactively schedule and complete their recertification exam before the expiration date. Pega sends reminders ahead of expiring certifications.

38. Where can you register for Pega certification exams?

Pega certification exams can be taken either at authorized Pearson VUE testing centers or as online proctored exams. Exams can be registered for and scheduled on the Pearson VUE website for your specific region.

39. What is the format of the Pega Certified Developer exam?

The Pega Developer exam is a computer-based multiple choice test comprised of 60 questions. Duration is 90 minutes. Questions cover real-world scenarios and examples. Performance is measured against a defined set of skills and knowledge areas.

40. What score is required to pass the Pega CSSA certification?

A score of 73% or higher is required to pass the Pega Certified Senior System Architect exam and achieve certification.

Pega Career Questions

41. What skills are required to become a Pega developer?

Key skills for a Pega developer include:

  • Core Java knowledge
  • Understanding of OOP concepts
  • Web development – HTML/CSS, REST, SOAP
  • Relational databases and SQL
  • BPM and rules engines
  • Analytics and reporting
  • Customer service processes

42. What background and experience is needed to be hired as a Pega developer?

Typical background needed to become a Pega developer:

  • 1+ years of core Java development experience
  • Experience with Springs, Struts or similar MVC framework
  • SQL and relational database knowledge
  • Working knowledge of web technologies
  • Understanding of web services and EDI
  • Knowledge of BPMN and process modeling
  • Familiarity with business use cases like CRM, KYC, etc.

43. How can a manual tester transition into a career in Pega testing?

Ways for manual testers to get into Pega testing:

  • Take Pega training courses to learn fundamentals
  • Gain hands-on practice creating test cases and test scripts
  • Develop core skills in test automation using Selenium or UFT
  • Get familiar with regression testing methodology
  • Learn to write and execute unit test cases
  • Master QTP/Pega Test for building automated test suites
  • Transition into a junior Pega test automation role

44. Is programming experience mandatory for Pega BPM and CRM?

Programming experience is not mandatory but highly recommended. Pega leverages Java, SQL, and Python under the covers. Some programming knowledge will make it easier to work with things like custom code, APIs, complex implementations, performance tuning, etc.

45. How is the career growth path for a Pega professional?

A typical career path for Pega professionals:

  • Associate/Junior Developer
  • Developer
  • Senior Developer
  • Lead Developer
  • Architect
  • Senior/Principal Architect

Beyond technical roles, Pega professionals can also move into architecture, management, pre-sales and other roles.

46. Is it better to be certified in both Pega PRPC and Pega CDS?

Yes, it is valuable for Pega developers to get certified in both the Pega Platform (PRPC) as well as the Customer Decision Hub (CDS) to demonstrate their expertise across both product suites. PRPC covers core platform skills while CDS focuses more on CRM, marketing and customer service use cases.

47. Should I focus on Pega roles as an independent consultant or an employee?

Both options are viable. As an employee, you gain depth on internal systems and ongoing mentorship. As an independent consultant, you get exposed to more projects and clients to build breadth of experience. Employees tend to have more stability while consultants have more flexibility.

48. Is it possible to get into Pega development roles with no prior Pega experience?

It is possible to get Pega roles without direct expertise but some base skills are needed. Strong Java, UI, SQL, BPM, and integration skills can help transition. Some Pega knowledge can be gained through self-learning. Some firms hire based on overall aptitude and train newer hires on Pega.

49. What are some tips for excelling in a Pega job interview?

Tips for a successful Pega interview:

  • Review key Pega concepts – rules, data models, flows, etc.
  • Brush up on core Java, web, and integration skills
  • Prepare architecture designs for sample use cases
  • Highlight

50. What types of projects are good for gaining Pega work experience?

Some projects good for gaining Pega experience:

  • Customer service or call center systems
  • Claims management implementations
  • Policy underwriting applications
  • KYC/AML process automation
  • Commercial loan origination
  • Dispute resolution workflows
  • Healthcare patient management
  • Insurance sales and distribution

Table for Summary:

Category Questions
Pega Basics 1-25
Pega Testing 26-30
Pega Certification 31-40
Pega Careers 41-50

FAQs:

Q: What is Pega used for? A: Pega is a low-code platform used to build customer engagement, digital process automation, and other enterprise applications. Key uses cases include customer service, onboarding, claims management, case management, and workflow.

Q: What programming languages does Pega use? A: Pega applications are built using declarative tools, drag and drop interfaces, and Pega’s own programming languages like PegaRULES, PyRules, and Java. Knowledge of Java, SQL, HTML, and CSS is useful for Pega developers.

Q: How long does it take to become a Pega developer? A: It typically takes 1-2 years of experience to become proficient in developing Pega applications and 3+ years to reach an architect level. Learning the fundamentals can be done more quickly through training courses and certifications.

Q: What is the average salary for a Pega developer? A: According to Glassdoor, the average base pay for a Pega developer in the US is $108,000 per year. With 5+ years of experience, salaries can reach $130,000 and higher, especially in major metro areas.

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