- ACS 100 is 60 questions, 120 minutes, closed-book, with a 70% passing threshold.
- LOMA reported a 94% ACS 100 pass rate for calendar year 2025.
- 2026 enrollment runs USD435 (member-company) or USD870 (nonmember) and includes study materials plus exam grading.
- Course access lasts six months; a USD95 extension applies only if you haven't yet taken the exam.
Quick Facts Snapshot
This page is the one-stop reference for Associate, Customer Service (ACS) candidates who already know the material and just need the numbers, format, and domain names in one place before test day. It's built to sit alongside a deeper ACS Study Guide 2026: How to Pass on Your First Attempt - that guide covers the "how," this page covers the "what."
ACS is administered by LOMA. The version referenced throughout this cheat sheet is the English-language ACS 100, Foundations of Customer Service, part of the Life Insurance track. A separate self-paced option, ACS 101, exists with different testing mechanics (more on that below).
Exam Mechanics at a Glance
ACS 100 uses a computerized, proctored end-of-course exam delivered through LOMA's I*STAR testing system. You can sit for it at an approved company testing site or an independent testing site - there's no remote, unproctored option for ACS 100.
| Element | ACS 100 Detail |
|---|---|
| Question count | 60 questions |
| Time limit | 120 minutes |
| Passing score | 70% |
| Attempts per enrollment | One |
| Book policy | Closed-book |
| Allowed tools | Proctor-provided blank scratch paper, approved basic four-function calculator |
| Required at check-in | Valid picture ID |
| Proctor requirement | Approved proctor present for the entire session |
Note the "one attempt per enrollment" rule carefully - this is the detail most candidates underestimate. There's no in-exam retake; a failed attempt means re-enrolling, which has its own cost and timing implications covered in the fees section below. For a broader discussion of how these constraints affect perceived difficulty, see How Hard Is the ACS Exam? Complete Difficulty Guide 2026.
Key Takeaway
You get one shot per enrollment on ACS 100 - treat every practice session on ACS Exam Prep as if it were the real 60-question, 120-minute clock.
ACS 101: The Alternative Format
If your enrollment path uses ACS 101 instead of ACS 100, the testing experience is different: 60 questions delivered across untimed, self-proctored module exams, with unlimited attempts during your course access window. This removes the single-attempt pressure but doesn't reduce the content you need to know - the underlying customer service topics are the same. Whichever version you're enrolled in, confirm it early so you practice with the right expectations.
The Fourteen Domains, Fast
ACS 100 content is organized around fourteen topic areas drawn straight from the official course. Below is the condensed list - for full breakdowns of what each domain tests and how to prioritize study time, use ACS Exam Domains 2026: Complete Guide to All 14 Content Areas.
Domain 1: Introduction to Customer Service
Foundational vocabulary and framing for why customer service functions exist within an organization.
Domain 2: Exceptional Customer Service
What separates adequate service from service that builds loyalty and retention.
Domain 3: The Customer-Centric Organization
How company culture, structure, and priorities align around the customer.
Domain 4: Organization and Teamwork in Customer Service
Cross-department coordination and how service teams fit into the larger business.
Domain 5: Customer Service Processes and Measurement
Process design and the metrics used to judge whether service is working.
Domain 6: Better Customer Service Through Technology
Tools and systems that support or hinder service delivery.
Domain 7: The People Who Drive Customer Service: Selection and Training
How service staff are recruited and onboarded.
Domain 8: The People Who Drive Customer Service: Evaluation and Motivation
Performance management and what keeps service reps engaged.
Domain 9: Understanding Customer Expectations and Perceptions
Why customer expectations vary and how perception shapes satisfaction.
Domain 10: Customer Service and Communication
The general link between communication quality and service outcomes.
Domain 11: Effective Communication
Specific techniques for clear, professional communication with customers.
Domain 12: Listening to and Understanding Customers
Active listening skills and interpreting what customers actually mean.
Domain 13: Interacting with Customers
Applying communication and listening skills in live interactions.
Domain 14: Succeeding in Customer Service
Career-level skills for long-term success in a service role.
Notice the pairing pattern: Domains 7-8 split people-management into selection/training versus evaluation/motivation, and Domains 10-13 build a communication arc from general concept to specific interaction skills. Studying them as connected pairs rather than fourteen isolated topics makes review far more efficient.
Fees, Materials, and Access Timeline
Budgeting and scheduling around ACS 100 has a few fixed reference points worth memorizing before you enroll:
- 2026 North American English-course enrollment fee: USD435 for eligible member-company learners, or USD870 for nonmembers. This covers required study materials, exam enrollment, grading, and designation credit.
- Course access: Six months from enrollment.
- Assigned materials: Foundations of Customer Service, third edition (2015), plus the 2015 test preparation guide.
- Discounted access extension: USD95, available only if you reenroll within one month after access expires and have not yet taken the exam. This is not a retake fee for a failed attempt.
- Discounted reenrollment after a failed exam: Must occur within six months of the failed exam date.
These two discount paths look similar but serve different situations - one is for candidates who ran out of time without testing, the other is for candidates who tested and didn't pass. Mixing them up can cost you the discount. A full walkthrough of every fee scenario lives in ACS Certification Cost 2026: Complete Pricing Breakdown.
The Week-Before Review Plan
If you already completed the course and are now in pure review mode, don't restart the whole textbook. Use the final week to cycle through domains in clusters that mirror how ACS 100 groups related content, and reserve the last two days for full-length timed practice on ACS Exam Prep so the 120-minute pace feels automatic.
Organizational Foundations
- Review Domains 1-4 (Introduction, Exceptional Service, Customer-Centric Organization, Teamwork)
- Drill terminology that distinguishes "customer-centric" concepts from generic service concepts
Process, Technology, and People
- Review Domains 5-8 (Processes/Measurement, Technology, Selection/Training, Evaluation/Motivation)
- Pay attention to how metrics from Domain 5 connect to performance evaluation in Domain 8
Expectations and Communication
- Review Domains 9-13 (Expectations/Perceptions through Interacting with Customers)
- Practice distinguishing "communication" (Domain 10-11) from "listening" (Domain 12) question stems
Full Simulation
- Complete a full 60-question, 120-minute timed run
- Review Domain 14 career-success content and flag any weak domains for one final pass
This compressed structure is a companion, not a replacement, for the fuller prep sequence in ACS Study Guide 2026: How to Pass on Your First Attempt.
Day-of-Exam Checklist
Because ACS 100 is proctored and closed-book, logistics matter as much as content knowledge. Confirm each of these before you leave for the testing site:
- Valid picture ID in hand - no exceptions at check-in.
- No personal materials, notes, or textbooks; scratch paper is provided by the proctor.
- Only an approved basic four-function calculator is permitted - leave graphing or scientific calculators at home.
- Confirm your testing site is an approved company site or independent testing site, not an informal location.
- Remember: one attempt per enrollment - there's no "just try again in ten minutes" option.
For the exact score you need to clear and how it's calculated, see ACS Passing Score 2026: Exactly What You Need to Pass. For scheduling windows and site availability, check ACS Exam Dates 2026: Testing Windows, Deadlines & Scheduling.
Common Mix-Ups to Avoid
A few recurring confusions trip up otherwise well-prepared candidates:
- ACS 100 vs. ACS 101: One is timed, proctored, single-attempt; the other is untimed, self-proctored, unlimited attempts. Know which one you're enrolled in.
- Extension fee vs. retake fee: The USD95 discounted extension is for unused access before you've tested; failed-exam reenrollment discounts follow a separate six-month window.
- Domain names vs. generic customer service jargon: Study guides that use outside terminology can drift from the fourteen official domain names - stick to the list above when self-testing.
- Confusing ACS with other credentials sharing the same initials: If you're researching outside this site, double-check that the source is discussing LOMA's Associate, Customer Service designation and not an unrelated certification.
If you're still mapping out how ACS fits into a broader career path - who hires ACS holders and what roles it supports - the following pages fill in that context: What Is ACS?, ACS Jobs, and Is the ACS Certification Worth It? Complete ROI Analysis 2026. Compensation expectations are covered separately in ACS Salary Guide 2026: Complete Earnings Analysis.
Key Takeaway
Print or bookmark this page as your last-minute reference - domain names, fee amounts, and exam mechanics in one scroll, no digging required.
FAQ
ACS 100 has 60 questions to be completed within a 120-minute window, delivered through the proctored I*STAR system.
A 70% passing threshold applies to ACS 100. Details on scoring are covered in the passing score guide linked above.
No. Each enrollment allows one attempt. After a failed exam, discounted reenrollment is available if you reenroll within six months of the failed exam date.
ACS 100 uses a single, timed, proctored exam. ACS 101 uses untimed, self-proctored module exams with unlimited attempts during course access, also totaling 60 questions.
Course access lasts six months. If you haven't tested by then, a USD95 discounted extension is available if you reenroll within one month of expiration.