Design a Persistent Chronological Social Feed
Model users, posts, follows, and an indexed durable feed that returns the newest eligible posts deterministically.
Open practiceOkta interview practice
Practice from 6 Okta-tagged public coding problems, organized only by the stage, topic, difficulty, and recency metadata FastPrep can verify. The broader public catalog also includes 4 system-design exercises, 1 low-level-design exercise, 1 project-coding exercise.
Phone practice path
Practice solving while explaining assumptions, tradeoffs, and complexity. Problems are ranked by repeated public catalog sightings.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
OKOkta | Role-Based Network Access ControlArrayHash Table | Medium | 1 public reportLast reported Aug 2026 | Practice |
OKOkta | Lexicographically Smallest Dependency OrderGraphTopological Sort | Medium | 1 public reportLast reported Aug 2026 | Practice |
Onsite practice path
Practice complete solutions and defend the choices behind them. Problems are ranked by repeated public catalog sightings.
4 Okta-tagged Onsite problems available.
| Company | Problem | Difficulty | Public evidence | Action |
|---|---|---|---|---|
OKOkta | Randomized Collection with Duplicate ValuesDesignArray | Hard | 1 public reportLast reported Sep 2026 | Practice |
OKOkta | Top-Down Employee Reporting ForestTreeGraph | Medium | 1 public reportLast reported Sep 2026 | Practice |
OKOkta | Fair Multi-Tenant CacheDesignHash Table | Hard | 1 public reportLast reported Aug 2026 | Practice |
OKOkta | CD Rental SystemDesignHash Table | Medium | 1 public reportLast reported Jun 2026 | Practice |
01 · Preparation plan
Okta's small public set is coherent around rules and shared state. Access-control evaluation, tenant-aware caching, and deterministic dependency order support a focused technical study path. They do not document Okta's products, establish a certification syllabus, or justify weakening authorization boundaries in real applications. This is a suggested practice sequence, not the employer's interview process. Your invitation and recruiter guidance remain the source of truth.
Use role-based network access to distinguish a matching rule from the final authorization decision. Follow the specified precedence and default behavior.
The multi-tenant cache exercise asks how shared capacity interacts with per-tenant rules. A local eviction decision can affect another tenant's guarantees.
Use lexicographically smallest ordering to combine topological feasibility with a tie policy. A queue and a priority queue can produce different valid orders.
02 · Broader technical practice
These public Okta-tagged exercises cover additional technical formats. They are included only when a verified catalog record and a crawlable practice page both exist.
Model users, posts, follows, and an indexed durable feed that returns the newest eligible posts deterministically.
Open practiceDesign secure single sign-on for two acquired first-party products that remain on separate domains.
Open practiceDesign shared login across first-party sites plus consented, revocable access to external tools.
Open practiceDesign a scalable records API that supplies stable pages to an interactive client.
Open practiceDesign record creation and stable cursor-based pagination over a very large data set, including the database and index strategy.
Open practiceImplement and test a GET endpoint in an existing service, then extend it with pagination.
Open practice03 · Evidence boundary
It means practicing transferable implementation, testing, and technical reasoning with public catalog assets FastPrep tags to Okta. It does not mean FastPrep has access to the company's assessments or any private interview bank.
Repeated public sightings and last-reported dates can help you prioritize practice, but they cannot predict the questions, format, or platform in a specific interview.
04 · Plain answers
This page owns technical-practice intent for Okta. Hiring activity, timelines, and market signals remain on the separate hiring-insights page.
No. It is company-focused coding practice. Access-control terminology describes a bounded exercise, not complete product guidance or an implementation recommendation for a live identity system. Use official Okta documentation for product behavior and your role guidance for certification requirements.
No. FastPrep is an independent interview-preparation product and is not affiliated with Okta. The page uses FastPrep's public practice catalog and does not claim official, private, leaked, or proprietary employer questions.
Stage labels come from FastPrep's public problem metadata. A problem can carry more than one reported stage, and hiring processes can change by role, level, location, and date. Treat the labels as preparation context, not a guarantee.
Start with the stage named in your invitation or recruiter message. If no stage is known, use the largest available set to build general problem-solving fluency, then rehearse explanation and testing separately.
No. Public catalog counts, stage tags, and last-reported dates can help prioritize practice, but they cannot predict a specific interview's questions, sequence, timing, or platform.
Your next stage, made concrete
Start with the stage named in your invitation, then use public evidence as context—not as a promise of what you will be asked.
Open the practice set