AWS Certifications
3 certifications: CLF-C02 / SAA-C03 / SAP-C02. Japanese question banks aligned with the official AWS Exam Guides, plus full-length mock exams.
View AWS01 / Exam catalog
Choose the exam you want to take
Filter 12 cloud certifications by vendor or keyword.
Azure Certifications
All 14 certifications including AZ-900 / DP-900 / SC-900 / AI-901. A full set of Japanese problems aligned with the official Microsoft Learn study guides.
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Google Cloud Certifications
All 14 certifications including CDL / GAIL / ACE / PCA / PDE / PMLE. A full set of Japanese problems aligned with the official Google Cloud Exam Guides (cloud.google.com).
View Google Cloud
Databricks Certifications
All 7 certifications including Data Engineer / ML / Analyst.
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SnowPro (11 certifications)
Covers Associate / Core / Specialty / Advanced.
View Snowflake
Terraform Associate / Professional
Scenario-based problems focused on real-world IaC practice.
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Vault Associate / Professional
Covers secrets management, policies, and operations.
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Consul Associate
Practice service mesh, KV, and ACL concepts.
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Nomad Associate
An orchestrator exam covering both containers and VMs.
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Packer Associate
Master image-build automation with detailed explanations.
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dbt Analytics Engineer
Covers modeling, testing, and documentation practices.
View dbt
Kafka Certifications (CCDAK / CCAAK / CCSD)
Unified prep for Developer, Administrator, and Streams (3 certifications).
View Kafka02 / In-depth articles
Latest 2026 exam prep articles
Carefully organized coverage of exam scopes, study methods, and real-world thinking. All articles are free to read.
03 / Our philosophy
High-quality problems for a confident pass
We build only what's needed to study niche certifications in Japanese — done thoroughly.
01
Bilingual — Japanese and English
Questions, choices, and explanations are written in both languages — switch with one tap. AWS, Azure, Google Cloud, Databricks and Snowflake are fully bilingual; a few smaller exams are Japanese-only for now.
02
Practice × Mock × Explanation
Practice problems for retention, 10 mock exams for pacing, and wrong-answer analysis — pass on a single site.
03
Explains the "why"
Every correct answer's rationale and every wrong choice's flaw are made explicit. Master principles, not just memorization.
04 / Why our quality
Chosen not for "Japanese" — chosen for actually passing
Nicheelab is not just translated foreign material. We analyze past exam trends, reference English-language sources, incorporate test-taker feedback, and update monthly — designed for the shortest path to passing in Japanese.
5 years
Past exam analysis
Studied version diffs of major exams from 2021–2025, then organized frequency and weighting in Japanese.
30+
Foreign sources referenced
Extracted recurring topics from English-language study sites, Udemy mocks, Reddit, and official forums.
Monthly
Problem updates
Exam revisions reflected within the next month. Monthly diffs are documented in release notes.
100%
Written by certified holders
Active Databricks / Snowflake / HashiCorp certified engineers author the problems and explanations directly.
And now is the opportunity
Cloud and data engineering roles in Japan are growing rapidly while talent supply lags severely. Earning a niche certification now means a strong position in a supply-constrained market.
0k
IT talent shortage projected by 2030
Source: METI "IT Talent Supply-Demand Survey" 2019
+0%
Snowflake YoY revenue growth
Source: Snowflake Inc. FY2024 full-year earnings
0×+
Cloud/data job openings-to-applicants ratio
Source: Persol Career "doda Job Openings Ratio Report" 2024
Japan public cloud services market trend
2022–2024 actuals, 2025+ projected. Market size 2.2× vs 2023, exceeding ¥7 trillion by 2028.
Source: IDC Japan "Japan Public Cloud Services Market Forecast 2024–2028" (Sep 2024). 2022–2024 actual, 2025+ IDC estimates. CAGR 17.2%. Unit: trillion JPY.
Shortage will more than double over 10 years
The IT talent gap is projected to widen yearly. As demand outpaces supply, certified engineers become increasingly valuable.
Source: METI "IT Talent Supply-Demand Survey" (Apr 2019) by Mizuho Information & Research Institute, high-scenario figures.
05 / Pricing
Only the certifications you need, only for as long as you need
Per-certification monthly subscriptions, or a one-time 90-day plan. Cancel the subscription anytime — or pick the one-time plan and never think about renewals.
Try for free
¥0
No signup — try immediately
- Sample the public problems
- First set free for every certification
- Includes Japanese explanations
Single plan
¥980/ month per cert · US$6.20
or ¥1,980 one-time for 90 days (US$12.60 · no auto-renewal)
Best for short-term, focused study
- Full access to all problems for one exam
- 10 real-format mock exams
- Detailed explanations on every question (including wrong choices)
- Weakness analysis & progress tracking
- Cancel the monthly plan anytime; the one-time plan never renews
77% off compared to 13 individual subs
All-Access Pack
¥2,980/ month · US$18.80
Full access to all exams — for long-term study
- 50+ exams: Microsoft Azure (14), Google Cloud (14), Databricks, Snowflake, HashiCorp, dbt, and Kafka
- 10 real-format mock exams per certification
- Detailed explanations + wrong-choice reasoning
- Weakness analysis & progress tracking
- New exams added automatically
- Cancel anytime
* After payment you'll get an email to set a password; that's all. Already a member? Log in first.
06 / Guarantee & teams
Pay only for the exam you pass
Fail-safe
If you sit the real exam during your paid period and don't pass, send us your score report and we extend the same plan free for 90 days (once). It's an extension, not a refund — so you keep going until you pass.
Passed? 30% off the next one
Send us your score report and we'll give you a code for 30% off your first payment on the next certification. Many learners go Databricks → Snowflake or Azure → AWS.
Teams & companies
From 5 seats, with invoice billing and usage reports — for training departments and consultancies supporting certifications.
Ask about a team planSend guarantee and pass-report requests to [email protected].
— / Mobile
Download the app
Study efficiently on Android during your commute. Progress syncs across the web version with the same account.
Stop losing time to English
No signup needed — start free, right now. Begin by solving Japanese problems for the certification you want.