- The Short Answer: What a C)DRE Actually Is
- Who Issues It and How Testing Works
- Who Should Pursue This Credential
- The Nine Course Modules, Explained
- Exam Format at a Glance
- Fees, Combos, and What You Actually Buy
- Prerequisites and Experience Suggestions
- Staying Certified: Three-Year Validity and Renewal
- Sequencing Your Preparation Around the Modules
- Where the Credential Fits in a Career
- Frequently Asked Questions
- C)DRE stands for Certified Disaster Recovery Engineer, a credential issued by Mile2.
- The exam has 100 multiple-choice questions, runs about two hours, and requires a minimum 70% to pass.
- Mile2's published course outline covers nine modules, from Introduction through Pandemics.
- Training is not required to attempt the exam, and experience prerequisites are suggested rather than mandatory.
The Short Answer: What a C)DRE Actually Is
A C)DRE is a Certified Disaster Recovery Engineer. The credential validates that a professional understands how to plan for, design, implement, test, and maintain the recovery capabilities an organization needs when a disruption hits. That covers everything from analyzing which business functions matter most to rehearsing how systems come back online after an outage, a cyberattack, or a regional emergency.
The unusual styling, with the closing parenthesis right after the C, is Mile2's official branding for its credentials. If you have seen the acronym written as C)DRE, that is exactly this certification. If you want other angles on the name itself, our explainers on what C)DRE stands for and the meaning of C)DRE cover the terminology in more depth.
Disaster recovery sits in a specific corner of resilience work. Where cybersecurity tries to prevent incidents, disaster recovery assumes that something will eventually fail and asks a different question: how quickly, and in what order, can the organization restore what it needs? The C)DRE is built around that question.
Who Issues It and How Testing Works
The credential comes from Mile2, a certification body best known for hands-on cybersecurity and IT credentials. Mile2 delivers its exams through its own online account and learning management system, historically called MACS, rather than through a third-party testing center network. No external testing company has been verified for this exam.
On proctoring, most standard Mile2 exams do not require a scheduled live proctor, and the C)DRE is not a named exception to that pattern. Specific rules around open-book use, calculators, adaptive delivery, and accommodations were not confirmed in the public materials, so check Mile2's current candidate instructions before exam day rather than assuming anything. If you are still working out timing, our guide to C)DRE exam dates and scheduling walks through what to confirm.
Who Should Pursue This Credential
The C)DRE targets people whose work touches continuity and recovery, not just general IT. Typical candidates include:
- Disaster recovery and business continuity planners who write and maintain recovery plans.
- Systems and infrastructure engineers responsible for backup, replication, failover, and restoration.
- IT managers and risk professionals who need to translate business impact into technical recovery requirements.
- Compliance and audit staff who evaluate whether recovery programs meet organizational and regulatory expectations.
The nine-module structure rewards breadth. A pure network engineer may find the business-side material, such as impact analysis and program maintenance, less familiar, while a continuity planner may find the technical recovery strategy material the stretch. Knowing which side you come from tells you where to spend extra time. For a read on the job market side, see C)DRE jobs and the broader worth-it analysis.
The Nine Course Modules, Explained
Mile2's current official course outline is undated and lists nine course modules. These are the preparation topics for the course; they are not a verified weighted exam blueprint, so no one can honestly tell you the percentage each module contributes to the exam. What they do give you is a reliable map of the subject matter. Here is what each one means in practice, and our full C)DRE exam domains guide goes deeper on all nine.
Domain 1: Introduction
Foundational vocabulary and framing. Expect to distinguish disaster recovery from business continuity, understand why programs exist, and recognize the lifecycle that the later modules follow.
- Core terminology and program purpose
- How recovery fits within broader resilience and risk management
Domain 2: Business Impact Analysis
The analytical backbone of any recovery program. This is where you learn to identify critical functions and quantify what downtime costs the organization.
- Recovery time objective (RTO) and recovery point objective (RPO) concepts
- Dependencies between processes, systems, people, and vendors
- Prioritizing what gets restored first and why
Domain 3: BCP and DRP Design
Turning analysis into documented plans. Candidates should understand how business continuity plans and disaster recovery plans relate, and what a well-built plan contains.
- Plan structure, scope, roles, and responsibilities
- Activation criteria and communication paths
Domain 4: IT Recovery Strategies
The most technical-sounding module. It addresses how infrastructure, data, and applications are actually recovered.
- Backup and restoration approaches, alternate sites, and replication concepts
- Matching a strategy to the objectives set during impact analysis
Domain 5: IT Resiliency
Building systems that withstand failure rather than only recovering from it: redundancy, availability design, and reducing single points of failure.
Domain 6: Implementation Phase
Moving from paper to practice. This covers deploying the chosen strategies, standing up recovery capabilities, and training the people who will execute the plan.
Domain 7: Testing and Exercise
Plans that are never tested are assumptions. Expect questions on exercise types, how to run them, and how to capture lessons learned.
- Differences between walkthroughs, simulations, and fuller recovery tests
- Using test results to improve the plan
Domain 8: Maintenance and Execution
Keeping the program current as systems, staff, and threats change, and carrying out the plan when a real event occurs.
Domain 9: Pandemics
A dedicated module on planning for prolonged, people-centered disruption. Unlike a data center fire, a pandemic attacks staffing and operations over time, which changes how continuity is planned.
Key Takeaway
The module order mirrors the program lifecycle: understand, analyze, design, strategize, build resilience, implement, test, maintain. Learn it as one connected story and individual questions become easier to place.
Exam Format at a Glance
The verified exam details are compact. Notably, some facts that candidates often ask about are simply not publicly disclosed, and it is better to know that than to guess.
| Item | What Is Known |
|---|---|
| Question count | 100 multiple-choice questions |
| Duration | Approximately two hours (course outline and general FAQ) |
| Passing standard | Minimum 70% |
| Scored vs. unscored items | Not disclosed |
| Candidate pass rate | Not publicly disclosed |
| Domain weighting | Not verified; the nine modules are unweighted |
| Delivery | Mile2 online account/LMS (historically MACS) |
Because the pass rate is not published, any number you see quoted online should be treated skeptically. Our pass rate article explains what the available evidence does and does not show, and the passing score guide details what 70% means for a 100-question exam.
A 70% threshold on 100 questions means a comfortable margin for error is narrow but workable: you need roughly seven of every ten answers correct. Since scored versus unscored allocation is not disclosed, the safest assumption is that every question deserves your full attention.
Fees, Combos, and What You Actually Buy
Mile2's official Exam Combo listing for the C)DRE shows a promotional price of US$500 against a US$795 list price. The combo includes two exam attempts and preparation resources. It is not structured as a member versus non-member split, which is common with other certification bodies, so there is no membership discount to hunt for here.
One caution: the price shown at an actual checkout was not verified, and promotional pricing can change. Treat the US$500 and US$795 figures as the listed reference points, then confirm the current amount at purchase.
Prerequisites and Experience Suggestions
Mile2 suggests, but does not mandate, twelve months of experience in Information Systems and twelve months in Information Systems Management. Because these are suggestions, they are not a gate. Nothing in the verified materials makes them a hard eligibility check, and training is not required to attempt the exam.
What does that mean practically? If you lack the suggested background, the difficulty rises, particularly in the modules that assume operational familiarity such as IT Recovery Strategies and IT Resiliency. Candidates without management experience may find Business Impact Analysis and Maintenance and Execution more abstract. Our requirements guide covers eligibility in more detail, and how hard the exam is helps you calibrate your starting point.
The optional four-day course
Mile2 offers a four-day course that awards 32 CEUs. The course is optional for sitting the exam, but the CEUs it carries are useful if you plan to maintain the credential through the CEU path. If you are weighing training options, see our notes on C)DRE training.
Staying Certified: Three-Year Validity and Renewal
The credential is valid for three years. You then have two routes to keep it current:
- CEU renewal path. This requires 60 CEUs, commonly earned at about 20 per year, plus an ethics and policy acknowledgment and a US regional renewal fee of $200.
- Examination-based renewal. Re-sitting the exam is the alternative to accumulating CEUs.
The CEU path suits working professionals who attend conferences, training, and continuing education anyway. Because the four-day course alone awards 32 CEUs, a candidate who takes it contributes meaningfully toward the first renewal cycle. Keep records as you go; reconstructing three years of activity at renewal time is harder than logging it as it happens.
Sequencing Your Preparation Around the Modules
Rather than a generic schedule, tie your calendar to how the modules build on each other. The early modules supply the logic the later ones depend on, so do not skip ahead. A reasonable arrangement for a candidate with some IT background:
Introduction and Business Impact Analysis
- Lock down the vocabulary, especially RTO and RPO.
- Practice reasoning from business criticality to recovery priority.
BCP and DRP Design plus IT Recovery Strategies
- Connect plan structure to the objectives from week one.
- Compare recovery strategies against stated objectives.
IT Resiliency, Implementation, and Testing and Exercise
- Separate designing for resilience from recovering after failure.
- Memorize exercise types and what each proves.
Maintenance and Execution, Pandemics, and full review
- Give Pandemics its own session; its people-centered logic differs from technical outages.
- Finish with timed sets of 100 questions to build pacing for the two-hour window.
The pacing point matters: 100 questions in roughly two hours leaves a little over a minute per item, which is workable but not leisurely. The C)DRE study guide expands this into a fuller plan, and the cheat sheet is useful for last-day review. To rehearse under realistic conditions, use the practice questions on the main practice test site.
Where the Credential Fits in a Career
Disaster recovery skills are valued wherever downtime is costly and wherever regulators or customers expect documented continuity programs. Organizations that commonly need this expertise include financial institutions, healthcare systems, government agencies, managed service providers, and large enterprises with complex IT estates. Job titles that overlap with the C)DRE skill set include disaster recovery analyst, business continuity coordinator, resiliency engineer, and IT risk specialist, though titles vary widely by employer.
Be careful with salary claims. Published figures for this specific credential are not verified here, and compensation depends heavily on role, region, and experience. For a qualitative discussion rather than invented numbers, read the salary guide and the C)DRE certification overview.
Frequently Asked Questions
C)DRE stands for Certified Disaster Recovery Engineer. It is a Mile2 credential, and the closing parenthesis after the C is part of Mile2's official styling for its certifications.
The exam has 100 multiple-choice questions and runs approximately two hours. You need a minimum of 70% to pass. The split between scored and unscored questions is not disclosed.
No. Mile2 states that training is not required to attempt certification. The four-day course is optional, though it awards 32 CEUs that can help toward renewal.
Mile2's Exam Combo listing shows a promotional US$500 against a US$795 list price, including two attempts and prep resources. The checkout price was not verified, so confirm the current amount when you purchase.
It is valid for three years. You can renew with 60 CEUs (commonly 20 per year), an ethics and policy acknowledgment, and a US regional renewal fee of $200, or you can renew by taking the exam again.