EC-Council • CEI
Validates instructional competency to deliver EC-Council certification training programs, covering instructor credibility, learning environment management, effective communication and questioning techniques, instructional methods and media, and learner performance evaluation.
Questions
611
Duration
120 minutes
Passing Score
70%
Difficulty
ProfessionalLast Updated
Feb 2026
The Certified EC-Council Instructor (C|EI) certification, associated with exam code 312-75, is EC-Council's credential for professionals who wish to become authorized instructors delivering EC-Council's suite of cybersecurity certification programs — including CEH, CHFI, ECSA, LPT, CND, and others. The certification validates that a candidate possesses the pedagogical skills required to effectively teach technical security content to adult learners, covering core instructional competencies such as establishing credibility, managing the learning environment, delivering presentations, applying questioning techniques, and evaluating learner performance.
The C|EI program is built around adult learning principles and instructional design methodology, ensuring that certified instructors can adapt EC-Council's standardized course materials to diverse learner audiences. Earning the C|EI credential is a gateway to becoming an EC-Council Subject Matter Expert (SME), a designation reserved for professionals who contribute to curriculum development and deliver authoritative training content within the EC-Council ecosystem. Only individuals who meet stringent application and exam requirements are granted C|EI status, reflecting EC-Council's commitment to quality instruction across its Accredited Training Center (ATC) network.
The C|EI is designed for experienced cybersecurity professionals and trainers who wish to deliver official EC-Council certification courses through authorized training channels. Ideal candidates include independent security trainers, corporate training managers, academic instructors at technical institutions, and staff at EC-Council Accredited Training Centers (ATCs) who are already certified in the EC-Council program they intend to teach — for example, a Certified Ethical Hacker (CEH) who wants to train others toward the CEH credential.
Candidates should have an established background in hands-on security work and a demonstrated training or teaching history. This certification is not suited for entry-level professionals; it targets individuals with meaningful industry experience who are ready to transition into or formalize a role as a professional cybersecurity educator within the EC-Council framework.
Applicants must hold an active, current EC-Council certification in each program they intend to teach — for instance, candidates wishing to instruct CEH courses must themselves hold a valid CEH credential. All EC-Council certifications must be in good standing, with Continuing Education (ECE) credits kept current through the EC-Council Aspen Portal.
Candidates who do not already hold instructor credentials from another recognized body (such as CompTIA CTT+, Microsoft MCT, Cisco, PECB, Oracle, or VMware) must submit an experience letter on official organizational letterhead demonstrating a minimum of two years of active training or teaching involvement. Additionally, applicants must secure an endorsement from an EC-Council Accredited Training Center (ATC), though EC-Council may endorse the application at its own discretion if no ATC sponsor is available. Technical hands-on expertise with security technologies is also expected.
The CEI exam (312-75) consists of 50 multiple-choice questions and must be completed within 120 minutes. The exam is delivered through EC-Council's official exam portal (ECC Exam Center). Candidates must achieve a passing score of 70% to earn the certification.
The exam is scenario-based in nature, testing practical knowledge of instructional delivery rather than purely technical security content. It assesses a candidate's understanding of adult learning principles, instructional design, classroom management, and communication techniques in the context of delivering EC-Council certification courseware. No unscored or survey questions have been publicly documented for this exam.
Earning the C|EI credential authorizes professionals to deliver EC-Council's globally recognized cybersecurity certification programs — including the Certified Ethical Hacker (CEH), Computer Hacking Forensic Investigator (CHFI), Certified Network Defender (CND), and EC-Council Certified Security Analyst (ECSA) — through the worldwide ATC network. This opens direct revenue opportunities as an authorized trainer, with cybersecurity instructor rates typically ranging from $1,000 to $3,000+ per training day depending on geography and specialization. Certified instructors also gain access to EC-Council's secured instructor resource portal, which includes up-to-date presentation materials, lab environments, and course videos.
Beyond direct training income, the C|EI designation enhances professional credibility within the cybersecurity education sector, differentiating holders from uncredentialed trainers when competing for corporate training contracts or academic positions. C|EI holders may also be considered for EC-Council's Subject Matter Expert (SME) program, contributing to curriculum development and exam authoring. As demand for skilled cybersecurity professionals — and the training programs that produce them — continues to grow globally, the C|EI credential positions holders at the intersection of technical expertise and professional instruction.
5 sample questions with correct answers and explanations. Start a practice session to test yourself across all 611 questions.
1. An instructor uses the ADDIE model to design a new training program on cloud security. During which phase should the instructor conduct a Training Needs Analysis to identify performance gaps and determine if training is the appropriate solution? (Select one!)
Explanation
Training Needs Analysis occurs during the Analysis phase, which serves as the foundation for the entire ADDIE process. The Analysis phase identifies performance gaps, determines whether training is the appropriate solution, defines learner characteristics, and establishes instructional goals. Design phase uses Analysis findings to create objectives and strategies. Evaluation measures effectiveness but does not conduct initial needs analysis. Implementation deploys the designed solution. ADDIE's systematic approach requires thorough Analysis before proceeding to Design to ensure training addresses actual performance needs rather than assumed needs.
2. According to the affective domain taxonomy, a student actively participates in security discussions, volunteers answers, and reacts positively to ethical hacking topics. Which level has the student achieved? (Select one!)
Explanation
Responding involves active participation and reaction, which describes volunteering answers and engaging in discussions. Receiving is the lowest level, involving passive attention and awareness without active engagement. Valuing involves attaching value to topics and showing commitment beyond basic participation. Organizing involves integrating values and comparing and relating different value systems. Characterizing is the highest level where behavior consistently reflects internalized values. The affective domain progresses from simple awareness to deep internalization of values.
3. An ATC loses its accreditation status due to non-compliance with facility requirements. The ATC currently sponsors three CEI instructors who have active certifications and current ECE credits. What happens to the CEI instructors? (Select one!)
Explanation
EC-Council policy states that if a sponsor loses ATC status, EC-Council may provide three months temporary access to allow affected CEI instructors to find new sponsors. This grace period prevents immediate loss of instructor status due to circumstances beyond the instructor's control. CEI status requires active ATC sponsorship and cannot continue indefinitely without it. Instructors do not immediately lose status but must secure new sponsorship within the temporary period. CEI instructors cannot teach EC-Council courses independently; they must operate through accredited training centers. One year is not the documented grace period for finding new sponsorship.
4. An instructor is applying Honey and Mumford learning styles to accommodate diverse preferences in a CHFI class. Which activities best match each learning style? (Select one!)
Explanation
Honey and Mumford styles require specific approaches: Activists prefer action-oriented brainstorming and group activities. Reflectors need time to think and analyze, preferring case study review. Theorists prefer logical models and frameworks that show systems and patterns. Pragmatists want practical, immediate application like hands-on tool use. The first option reverses preferences entirely. The third option contradicts each style's core characteristics. Identical delivery ignores learning style diversity, which is the opposite of accommodating different preferences and reduces learning effectiveness for most students.
5. An instructor prepares a cybersecurity assessment containing 50 questions. After administering the test, item analysis reveals one question has a difficulty index of 0.95 and a discrimination index of negative 0.15. What do these metrics indicate? (Select one!)
Explanation
Difficulty index of 0.95 indicates 95 percent of students answered correctly, meaning the question is very easy (ideal range is 0.30 to 0.70). Discrimination index of negative 0.15 indicates low performers answered correctly more often than high performers, suggesting the question is flawed and should be revised or removed. Negative discrimination means the item fails to distinguish mastery levels and may confuse knowledgeable students. The question is not appropriately difficult nor effectively discriminating. While the question is too easy, the negative discrimination is the critical flaw beyond simple difficulty. Optimal difficulty would be 0.30 to 0.70, and discrimination should be positive above 0.30.
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