Pega CDH · Interview preparation

You already know CDH inside out, and this guide shows you how to explain it under pressure.

This is the written guide to interviewing for senior Pega Customer Decision Hub roles. It is built around one complete CDH programme in a large regulated enterprise, from data ingestion to nine live channels, with every design decision, configuration and outcome worked through, so that whatever the panel asks next, your answer holds together.

27Sections, one programme
32Questions answered
102Pages, yours to keep
The real problem

The gap is rarely in what you know, and almost always in how quickly you can retrieve it on demand.

People who have shipped real decisioning work still lose CDH interviews, and it is almost never because they did not know the answer. It is because they had forty minutes, a single attempt, and no practised way of getting what they know out of their head and into the room.

CDH makes this harder than most platforms do. The surface area is wide, the vocabulary is specific, and the interesting questions are all why questions, which are exactly the ones you never have to answer while you are configuring something.

  • You can configure CDH with confidence, but you freeze when someone asks you to explain why it works that way.
  • You know the NBA Designer screens well, but not the decision path that runs behind them.
  • When you explain arbitration, it comes out as four letters rather than a business argument.
  • Your answer on adaptive models stops at "it learns from responses".
  • You have deep experience on one programme and no language for anything beyond it.
  • You are technically strong but vague about what you personally delivered.
  • The gap between the version you delivered on and the one they run gets treated as though it were a disqualifier.
  • The scenario round arrives and you have no structure to fall back on.
What you get

Everything that comes with the guide, the moment you buy.

The guide comes in five parts: how to answer, the programme itself, the platform as it was built, the channels and the operation around them, and the questions with their answers. Every part is written about the same programme, so nothing you say in one round contradicts what you said in another.

Part 01A$120 value

How to answer, and the programme behind every answer

  • A simple four-part structure for every project answer, and the rules that keep your answers consistent under follow-up questions.
  • The programme's constants: scale, team, cadence and phasing, fixed so no answer contradicts another.
  • What went wrong in month four, told the way a senior candidate tells it.
  • How to present delivery on CDH 24.2 honestly to a panel running Infinity 26.
01frame · constants
Part 02A$180 value

Architecture and data, end to end

  • The complete architecture map: data in, decisioning in the middle, channels out, responses back.
  • The data model at conceptual, logical and physical levels, and which one the Decision Architect owns.
  • The exact ingestion chain from BigQuery into the Pega database, and what happened when the data was wrong.
  • Interaction History as audit trail, contact-policy counter and the source the models learn from, with its summaries and timeouts.
02map · data · history
Part 03A$240 value

NBA Designer, tab by tab

  • Taxonomy, actions and treatments, and why they were set up that way.
  • Engagement policies: the exact rules, where each was set, and what data every layer reads.
  • Arbitration, levers, constraints and control groups, as configured and as kept honest.
  • The generated strategy tree, the extension points that survive regeneration, and the gotchas each component hit.
  • Adaptive and predictive models: how learning worked, and how it was governed.

Every section is written the way a senior answer is given: the decision, the alternative that was rejected, the mechanism behind it, and the number.

03policies · arbitration · models
Part 04A$180 value

Nine channels, built and wired

  • The Real-Time Container: how it was built, exposed and called inside a 200 millisecond budget.
  • Web, app and public pages as a learning loop, with lead generation and customer matching into Salesforce.
  • Adobe Experience Manager and Salesforce: where content and relationship rules live, and why.
  • Email through SendGrid end to end, then SMS, push, direct mail, dialler, assisted and paid media, each one built.
  • Outbound orchestration: the runs, the schedulers, and the four layers that controlled contact and volume.
04real-time · digital · outbound
Part 05A$170 value

Running it, and the thirty-two questions

  • Security, privacy and compliance: each control and the obligation or incident behind it.
  • Deployment Manager and a release step by step, beside the 1:1 Operations model for business change.
  • Testing, simulation and measurement; performance, incidents and housekeeping; the three meanings of guardrails.
  • Blueprint, Constellation and the mobile lending platform, and which studio is for what.
  • Thirty-two questions with short answers, each pointing to the section that holds the detail, then the questions to ask and a final check for the morning of the interview.
05controls · releases · answers
From the thirty-two

Four questions, and what each one is really asking.

These are quoted exactly as the guide asks them. Each one is the kind of question where the first sentence of your answer decides how the rest of the interview goes.

Sample 01

Why not read BigQuery directly at decision time?

What it really tests

Whether you can defend a data-access decision with numbers rather than instinct. A weak answer says "performance" and stops. A senior one puts figures on the call volume, the latency budget and the cost, and names where each kind of data belongs.

Sample 02

Eligibility versus applicability versus suitability?

What it really tests

Whether you can draw the three lines cleanly in one breath, and then explain where a regulatory rule has to sit and why. Most candidates can define the layers; far fewer can say what goes wrong when a rule lands in the wrong one.

Sample 03

How does arbitration work and how did you keep it honest?

What it really tests

Whether you can state the formula and then talk about the discipline around it: how the business was allowed to intervene, what stopped that intervention from quietly breaking the model, and how you would prove it had not.

Sample 04

You delivered on 24.2 and we're on '26, what's the gap?

What it really tests

Whether you treat a version gap as a disqualifier or as a plan. The panel is listening for what you know is unchanged, what you know is new, and what you would do about it in your first ninety days.

The full contents

The parts add up to A$1,010 of material, and you get all of it for A$149.

What you getWhat it isValue
How to answer, and the programme behind every answerA four-part structure for answers, the facts you keep constant, and how to present your version honestlyA$120
Architecture and data, end to endThe map, the data model, ingestion, Interaction HistoryA$180
NBA Designer, tab by tabTaxonomy, policies, arbitration, strategies, modelsA$240
Nine channels, built and wiredReal-time, digital, email, outbound and every channel betweenA$180
Running it, and the thirty-two questionsSecurity, releases, testing, operations, and the answersA$170
Mock interview credit BonusA$120 toward the CDH Mock Interview IntensiveA$120
Total valueA$1,010
Your price todayAustralian dollarsA$149
Why this exists

Why I wrote this down instead of keeping it to myself.

Because I was giving the same advice twice a week and it was not scaling: the same three corrections, to different people, about the same handful of questions.

My work has run through decision architecture, banking programmes and migrations, which means I have sat on both sides of the CDH hiring conversation more often than I ever expected to. The pattern became hard to ignore: strong practitioners were being turned down while people with a fraction of their delivery experience interviewed better.

That was not because the panel was wrong. It was because an interview measures explanation, not capability, and nobody had ever told the strong candidates that those are two different skills, or that the second one can be learned in a fortnight.

A letter, before you decide

This guide is about the forty minutes that decide it.

I do not think the people who get these roles are smarter than the people who do not. I have watched enough of both to be fairly sure of it.

What they have is a rehearsed way of explaining a decision. They have said the arbitration answer out loud before. They know which order to check things in when an offer is not presenting. They can describe what they personally did without shrinking it or inflating it. None of that is intelligence. It is preparation, and it is the part that almost nobody prepares.

You can assemble all of this yourself. Read the documentation, sit enough interviews, and after a few years the language arrives on its own. That is how I got it. It is just slow, and it is expensive in a way that never shows up on an invoice: the roles you did not get while you were still learning to describe the work you had already done.

This guide gives you all of that, without the years.

Naveen
Founder, Strivon Group

P.S. The guide is written to be used in the week of your interview. If your interview is only days away, read the opening sections tonight and you will walk in with a complete programme you can speak to from the first question. If it is still weeks away, you have time to work through every section, and the thirty-two answered questions are there for a final read-through on the morning itself.

Naveen Khokher, founder of Strivon
Naveen Khokher
Founder
@strivon

Pay A$149 once, and the guide is yours to keep.

Fit

Who this guide is for, and who it is not for.

Who it is for
A good fit
  • Decision Architects preparing for senior and lead CDH interviews.
  • CDH developers and strategy designers going for the step up to architect.
  • Architects who have delivered parts of CDH and need one coherent, end-to-end programme to speak from.
  • People who interview often and want a structure they can reuse.
  • Pega professionals returning to CDH after time on other work.
  • Anyone who is strong on delivery and weak at describing it.
Who it is not for
Not a fit
  • A substitute for knowing CDH. It assumes you have worked with it.
  • A Pega certification course or an exam dump.
  • Product training on how to configure CDH from scratch.
  • A guarantee of interviews, offers or a particular rate.
  • Leaked questions from any named employer.
After the reading

Once you have read it, rehearse it against a real interviewer.

Reading closes the knowledge gap, but it does not close the performance gap. For that, you have to be asked the question by someone who will push back on your answer.

  • Two live mock rounds, one technical and one scenario.
  • Both are recorded, so you can hear what you said.
  • A written scorecard after each round, against the same criteria a panel uses.
CDH Mock Interview Intensive
Rather ask first

Talk it through with me before you buy.

If you would rather work out whether the guide fits your situation by talking it through first, that is a better use of everyone's time, and I am happy to do it.

What you will get on the call

A straight answer on whether the guide covers what you are missing, and if it does not, what would.

Questions

The questions people ask me every time.

01Is this just another course?

It is not a course at all. There are no videos to sit through and nothing to complete in order. It is a 102-page written reference built around one complete CDH programme, worked through in twenty-seven sections, with thirty-two questions answered at the end.

You read the sections that match the round you are facing, and you re-read the model answers in the week of the interview itself.

02Is this a certification study guide?

No. Certification exams test recall against a syllabus. Interviews test whether you can explain a decision, defend a design and diagnose something that is not working, usually out loud and under time pressure.

The overlap is real but only partial. If you need the certification, study the certification material.

03Which CDH versions does it cover?

The programme in the guide was delivered on CDH 24.2 into an environment that has since moved to Infinity 26, which is the position most candidates are in. The core that interviewers probe, taxonomy, engagement policies, arbitration, strategies, adaptive models, Interaction History and the operating model, is the same across both.

The guide shows you how to present that gap honestly: what is unchanged, what is new in the tooling above it, and how to turn the difference into a plan for your first ninety days rather than an apology.

04I have real CDH delivery experience. Will this be too basic?

The guide assumes you have. What it adds is one internally consistent programme to speak from, with the numbers, the trade-offs and the lessons already worked out, so the detail behind your answers never contradicts itself under follow-up questions.

The four sample questions on this page show you the level it is pitched at, and the depth a senior panel expects behind every answer.

05Are these real questions from real interviews?

They are the questions most often asked in CDH hiring, and every answer is worked from the programme in the guide rather than transcribed from any particular employer's process.

Nothing here is confidential to a client or an employer, and no company's interview process is reproduced.

06What if I get inside and it is not what I thought?

The guide is a digital download and is non-refundable once purchased. What it covers, and four of its questions, are on this page so you can decide before you buy.

If the file is faulty, will not open, or is not what this page describes, reply to your purchase email to raise a request. I will investigate the issue and work to resolve it within five business days. If required, I may ask you for further information to help resolve your request sooner.

07Does buying the guide get me introduced to roles?

No. This is interview preparation only. Nothing you buy here connects you to roles, recruiters or introductions, and it never will.

08What if I want practice, not reading?

That is what the CDH Mock Interview Intensive is for: live mock rounds with a working practitioner, recorded, with a written scorecard after each one.

The guide is the preparation and the intensive is the rehearsal. Most people who want both do the reading first.

Questions before you buy

Ask me anything about the guide before you decide.

If you are not sure whether the guide covers your round, your role or the topics you find hardest, tell me what you are preparing for and I will give you a straight answer, including when the guide is not the right fit for you.

  • You get a straight answer to your question, and nothing else.
  • If the guide is not the right fit for you, I will say so plainly.
  • Your details are never used for recruiter approaches.

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The decision

You now have everything you need to decide.

What the guide covers, and four of its questions, are on this page. If it fits the interview in front of you, it is ready to download the moment you pay.