SDI Cheat Sheet 2026

The 30 highest-yield SDI facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the function of a 'service catalog' in an ITSM self-service portal? → A structured menu of available IT services that users can browse and request
2. How should customer complaints be handled? → Acknowledge the complaint, offer a solution, and follow up to ensure satisfaction.
3. Which U.S. law requires financial institutions to protect the privacy and security of customers' personal financial information? → GLBA
4. What role does the ITIL Service Design stage play in service management? → To design IT services that meet business requirements and are scalable and cost-effective.
5. Which ITIL 4 guiding principle suggests that teams should avoid creating unnecessary procedures and documentation? → Keep it simple and practical
6. Which data quality issue most commonly causes misleading service desk trend reports? → Inconsistent ticket categorization across agents or time periods
7. A service desk analyst builds a regression model to predict CSAT scores. The model has an R² of 0.85. What does this mean? → 85% of the variance in CSAT scores is explained by the model's predictor variables
8. Under software asset management (SAM) best practices, what is the primary legal risk of deploying more software licenses than purchased? → Vendor audit findings leading to back-payments and penalties
9. What is a 'Known Error' in the context of problem management? → A problem that has a documented root cause and an identified workaround or fix
10. When an SDI-certified service desk conducts a 'shift-left' initiative, what is the primary quality objective? → Resolving more issues at lower support tiers, closer to the customer
11. A service desk project is experiencing frequent unresolved issues that are delaying progress. Where should these be formally tracked? → Issue Log
12. A service desk must retain incident logs for audit purposes. Which policy document typically defines the mandatory retention period for such records? → Data Retention Policy
13. A customer says they were told by a previous analyst that a fix would take one hour, but it has now been three hours. How should the current analyst respond? → Apologize for the delay, acknowledge the expectation set, and provide a realistic update
14. Which stakeholder role is typically assigned ownership of a risk in a service desk risk register? → The person with accountability and authority to manage that risk
15. A service desk wants to predict ticket volume spikes. Which data analysis technique is most appropriate? → Time-series forecasting using historical ticket volume data
16. In SDI practice, what is a needs assessment? → A systematic process to identify gaps between current conditions and desired outcomes
17. How can incident management contribute to overall IT service improvement? → It helps identify and address recurring problems, improving IT service stability.
18. In written communication such as email or chat, what is MOST important to ensure professionalism? → Clear, concise language free of jargon, with correct spelling and grammar
19. Which ITIL service management dimension focuses on the workflows, controls, and activities needed to deliver services? → Value streams and processes
20. A company wants to allow users to reset their own passwords without contacting the service desk. Which technology solution should be implemented? → Self-Service Password Reset (SSPR) portal
21. In SDI practice, what is the purpose of a standard operating procedure (SOP)? → To document step-by-step instructions for routine tasks to ensure consistency and quality
22. What security technology is most commonly used to verify the identity of remote service desk users before granting system access? → Multi-Factor Authentication (MFA)
23. What is the primary purpose of a knowledge management system (KMS) within a service desk environment? → To capture, store, and share knowledge to improve efficiency and reduce repeat incidents
24. Which of the following best describes a 'Known Error' in the context of knowledge management? → A problem that has been analyzed and for which a root cause and workaround are documented
25. A colleague frequently makes discriminatory remarks to certain users. How should a service desk professional respond according to ethical standards? → Address the behavior privately with the colleague and, if it continues, report it formally
26. A service desk team wants to improve its Net Promoter Score (NPS). What communication improvement would have the GREATEST impact? → Ensuring every interaction ends with a clear summary and next steps
27. Which technology standard is commonly used by ITSM tools to enable single sign-on (SSO) across enterprise applications? → SAML (Security Assertion Markup Language)
28. In SDI practice, what is the purpose of a standard operating procedure (SOP)? → To document step-by-step instructions for routine tasks to ensure consistency and quality
29. Which of the following BEST reflects the SDI principle of 'acting in the best interest of the customer'? → Providing honest advice even when it may not be what the customer wants to hear
30. What is the significance of categorizing incidents in problem-solving? → To prioritize incidents, ensuring quick resolution of high-priority issues.