Exam Guides & Resources
Everything you need to choose the right certification and pass on your first attempt. Comparisons, salary data, study plans, and free resources.
Exam Comparisons
Side-by-side comparisons to help you choose the right certification
- AWS vs Azure Certification
- CPA vs CFA
- GRE vs GMAT
- CISSP vs CISM
- IELTS vs TOEFL
- PMP vs CAPM
- CompTIA Security+ vs CEH
- AWS vs Google Cloud Certification
- CCNA vs CompTIA Network+
- PMP vs PRINCE2
- CFA vs FRM
- SAT vs ACT
- MCAT vs DAT
- TOEFL vs Duolingo English Test
- Azure vs Google Cloud Certification
- CAT vs GMAT
- JEE vs GATE
- CA vs CMA (India)
Salary Guides
See how much each certification can boost your earnings
Difficulty Rankings
Know what you're getting into before you start studying
Study Plans
Week-by-week study schedules for popular certifications
Career Paths
Roadmaps from entry-level to senior positions
Free Resources
Curated free study materials for each certification
Is It Worth It?
Honest ROI analysis for popular certifications
Failed Your Exam?
(188)Retake policies, waiting periods and what to change before attempt two
- AWS Solutions Architect Associate
- Azure Administrator (AZ-104)
- Google Cloud Professional Architect
- Kubernetes Administrator (CKA)
- AWS Cloud Practitioner
- AWS Developer Associate
- AWS SysOps Administrator
- AWS Solutions Architect Professional
- Azure Solutions Architect Expert (AZ-305)
- Azure Developer Associate (AZ-204)
- Azure Data Engineer (DP-203)
- Google Cloud Digital Leader
- Google Cloud Professional Data Engineer
- Databricks Data Engineer Associate
- Snowflake SnowPro Core
- Power BI Data Analyst (PL-300)
- Tableau Desktop Specialist
- AWS Security Specialty
- AWS Database Specialty
- Azure Security Engineer (AZ-500)
- Azure AI Engineer (AI-102)
- VMware VCP-DCV
- Red Hat RHCSA
- Red Hat RHCE
- Linux Professional Institute LPIC-1
- Cisco CCNP Enterprise
- AWS Machine Learning Specialty
- Google Cloud Professional Machine Learning Engineer
- CCIE Enterprise Infrastructure
- AWS Certified DevOps Engineer Professional
- CKS (Certified Kubernetes Security Specialist)
- AWS Certified AI Practitioner (AIF-C01)
- AWS Certified Data Engineer - Associate (DEA-C01)
- AWS Certified Machine Learning Engineer - Associate (MLA-C01)
- Azure Fundamentals (AZ-900)
- Azure AI Fundamentals (AI-901)
- Certified Kubernetes Application Developer (CKAD)
- Google Cloud Associate Cloud Engineer
- CompTIA Security+
- CISSP
- CEH (Certified Ethical Hacker)
- CISM (Certified Information Security Manager)
- OSCP (Offensive Security Certified Professional)
- CompTIA CySA+
- CompTIA PenTest+
- CISA (Certified Information Systems Auditor)
- CRISC (Certified in Risk and Information Systems Control)
- CCSP (Certified Cloud Security Professional)
- GIAC Security Essentials (GSEC)
- CASP+ (CompTIA Advanced Security Practitioner)
- GIAC GPEN (Penetration Tester)
- GIAC GCIH (Certified Incident Handler)
- CIPP/E (Certified Information Privacy Professional - Europe)
- Certified in Cybersecurity (CC)
- Security, Compliance and Identity Fundamentals (SC-900)
- PMP (Project Management Professional)
- CAPM (Certified Associate in Project Management)
- PRINCE2 Foundation
- Certified ScrumMaster (CSM)
- SAFe SPC (Program Consultant)
- Lean Six Sigma Green Belt (IASSC ICGB)
- PMI Agile Certified Practitioner (PMI-ACP)
- GRE (Graduate Record Examination)
- GMAT (Graduate Management Admission Test)
- SAT
- IELTS
- TOEFL iBT
- Duolingo English Test
- OET (Occupational English Test)
- CPA (Certified Public Accountant)
- CFA (Chartered Financial Analyst)
- Series 7
- SIE (Securities Industry Essentials)
- Series 63 (Uniform Securities Agent)
- Series 65 (Investment Adviser)
- Series 66 (Uniform Combined State Law)
- FRM (Financial Risk Manager)
- CFP (Certified Financial Planner)
- CMA (Certified Management Accountant)
- EA (Enrolled Agent)
- ACCA (Association of Chartered Certified Accountants)
- CA India (Chartered Accountant)
- CS (Company Secretary) India
- CMA India (Cost and Management Accountant)
- Actuarial Exam P (Probability)
- Actuarial Exam FM (Financial Mathematics)
- CAIA (Chartered Alternative Investment Analyst)
- CTP (Certified Treasury Professional)
- Certified Internal Auditor (CIA)
- Bar Exam (USA)
- LSAT
- Patent Bar (USPTO Registration Exam)
- AIBE (All India Bar Examination)
- CIPP/US (Certified Information Privacy Professional/United States)
- Solicitors Qualifying Examination (SQE1 and SQE2)
- USMLE Step 1
- MCAT
- NCLEX-RN
- NCLEX-PN
- PANCE (Physician Assistant National Certifying Exam)
- NAPLEX (Pharmacy Licensing Exam)
- PTCB (Pharmacy Technician Certification)
- CPC (Certified Professional Coder)
- USMLE Step 2 CK
- COMLEX (DO Medical Licensing)
- DAT (Dental Admission Test)
- ARRT Radiography Certification, R.T.(R)
- HESI A2 (Admission Assessment Exam)
- NEET PG (National Eligibility cum Entrance Test, Postgraduate)
- NREMT Emergency Medical Technician (EMT) Certification Examination
- ATI TEAS 7 (Test of Essential Academic Skills)
- UPSC Civil Services (IAS/IPS/IFS)
- SSC CGL
- Civil Service Fast Stream
- CLAT (Common Law Admission Test)
- NDA (National Defence Academy)
- UGC NET
- IBPS PO (Probationary Officer)
- SBI PO
- RRB NTPC (Railway Recruitment)
- CTET (Central Teacher Eligibility Test)
- RBI Grade B
- SEBI Grade A
- LIC AAO (Assistant Administrative Officer)
- NABARD Grade A
- EPFO (Employees' Provident Fund Organisation)
- Life in the UK Test
- JLPT (Japanese Language Proficiency Test)
- HSK (Chinese Proficiency Test)
- TOPIK (Korean Proficiency Test)
- DELE (Spanish)
- DELF/DALF (French)
- Goethe-Zertifikat (German)
- ACT
- GED (General Educational Development)
- AP Exams (Advanced Placement)
- JEE Main
- NEET (National Eligibility cum Entrance Test)
- CAT (Common Admission Test)
- GATE (Graduate Aptitude Test in Engineering)
- UKCAT/UCAT
- BMAT
- ENEM (Exame Nacional do Ensino Medio)
- EmSAT
- Gaokao (Digital Subjects)
- CSAT (Suneung)
- ATAR (Australian Tertiary Admission Rank)
- Singapore A-Levels
- PSAT/NMSQT
- SSAT (Secondary School Admission Test)
- ISEE (Independent School Entrance Exam)
- IB Diploma Exams
- Cambridge IGCSE
- Cambridge A-Levels
- GCSE
- 11+ Exam
- Common Entrance (CE)
- JAMB UTME
- WAEC (WASSCE)
- SNMPTN/UTBK
- Saber 11
- COMIPEMS
- Zhongkao
- CUET UG (Common University Entrance Test, Undergraduate)
- JEE Advanced
- PTE Academic
- Cambridge English (FCE/CAE/CPE)
- Real Estate License Exam
- PHR/SPHR (HR Certification)
- SHRM-CP/SHRM-SCP
- Salesforce Administrator
- Salesforce Certified Technical Architect (CTA)
- Google Analytics Certification
- HubSpot Certifications
- Cisco CCNA
- Scrum.org PSM I
- ASQ Six Sigma Black Belt (CSSBB)
- Life and Health Insurance Producer Licensing Exam
- Microsoft Office Specialist (MOS)
- CompTIA A+
- CompTIA Network+
- ITIL 4 Foundation
- Terraform Associate
- Docker Certified Associate
- PE Exam (Professional Engineer)
- FE Exam (Fundamentals of Engineering)
- TOGAF 10 Certified
- ARE (Architectural Registration Exam)
Study Timelines
(188)How long each exam actually takes to prepare for
- AWS Solutions Architect Associate
- Azure Administrator (AZ-104)
- Google Cloud Professional Architect
- Kubernetes Administrator (CKA)
- AWS Cloud Practitioner
- AWS Developer Associate
- AWS SysOps Administrator
- AWS Solutions Architect Professional
- Azure Solutions Architect Expert (AZ-305)
- Azure Developer Associate (AZ-204)
- Azure Data Engineer (DP-203)
- Google Cloud Digital Leader
- Google Cloud Professional Data Engineer
- Databricks Data Engineer Associate
- Snowflake SnowPro Core
- Power BI Data Analyst (PL-300)
- Tableau Desktop Specialist
- AWS Security Specialty
- AWS Database Specialty
- Azure Security Engineer (AZ-500)
- Azure AI Engineer (AI-102)
- VMware VCP-DCV
- Red Hat RHCSA
- Red Hat RHCE
- Linux Professional Institute LPIC-1
- Cisco CCNP Enterprise
- AWS Machine Learning Specialty
- Google Cloud Professional Machine Learning Engineer
- CCIE Enterprise Infrastructure
- AWS Certified DevOps Engineer Professional
- CKS (Certified Kubernetes Security Specialist)
- AWS Certified AI Practitioner (AIF-C01)
- AWS Certified Data Engineer - Associate (DEA-C01)
- AWS Certified Machine Learning Engineer - Associate (MLA-C01)
- Azure Fundamentals (AZ-900)
- Azure AI Fundamentals (AI-901)
- Certified Kubernetes Application Developer (CKAD)
- Google Cloud Associate Cloud Engineer
- CompTIA Security+
- CISSP
- CEH (Certified Ethical Hacker)
- CISM (Certified Information Security Manager)
- OSCP (Offensive Security Certified Professional)
- CompTIA CySA+
- CompTIA PenTest+
- CISA (Certified Information Systems Auditor)
- CRISC (Certified in Risk and Information Systems Control)
- CCSP (Certified Cloud Security Professional)
- GIAC Security Essentials (GSEC)
- CASP+ (CompTIA Advanced Security Practitioner)
- GIAC GPEN (Penetration Tester)
- GIAC GCIH (Certified Incident Handler)
- CIPP/E (Certified Information Privacy Professional - Europe)
- Certified in Cybersecurity (CC)
- Security, Compliance and Identity Fundamentals (SC-900)
- PMP (Project Management Professional)
- CAPM (Certified Associate in Project Management)
- PRINCE2 Foundation
- Certified ScrumMaster (CSM)
- SAFe SPC (Program Consultant)
- Lean Six Sigma Green Belt (IASSC ICGB)
- PMI Agile Certified Practitioner (PMI-ACP)
- GRE (Graduate Record Examination)
- GMAT (Graduate Management Admission Test)
- SAT
- IELTS
- TOEFL iBT
- Duolingo English Test
- OET (Occupational English Test)
- CPA (Certified Public Accountant)
- CFA (Chartered Financial Analyst)
- Series 7
- SIE (Securities Industry Essentials)
- Series 63 (Uniform Securities Agent)
- Series 65 (Investment Adviser)
- Series 66 (Uniform Combined State Law)
- FRM (Financial Risk Manager)
- CFP (Certified Financial Planner)
- CMA (Certified Management Accountant)
- EA (Enrolled Agent)
- ACCA (Association of Chartered Certified Accountants)
- CA India (Chartered Accountant)
- CS (Company Secretary) India
- CMA India (Cost and Management Accountant)
- Actuarial Exam P (Probability)
- Actuarial Exam FM (Financial Mathematics)
- CAIA (Chartered Alternative Investment Analyst)
- CTP (Certified Treasury Professional)
- Certified Internal Auditor (CIA)
- Bar Exam (USA)
- LSAT
- Patent Bar (USPTO Registration Exam)
- AIBE (All India Bar Examination)
- CIPP/US (Certified Information Privacy Professional/United States)
- Solicitors Qualifying Examination (SQE1 and SQE2)
- USMLE Step 1
- MCAT
- NCLEX-RN
- NCLEX-PN
- PANCE (Physician Assistant National Certifying Exam)
- NAPLEX (Pharmacy Licensing Exam)
- PTCB (Pharmacy Technician Certification)
- CPC (Certified Professional Coder)
- USMLE Step 2 CK
- COMLEX (DO Medical Licensing)
- DAT (Dental Admission Test)
- ARRT Radiography Certification, R.T.(R)
- HESI A2 (Admission Assessment Exam)
- NEET PG (National Eligibility cum Entrance Test, Postgraduate)
- NREMT Emergency Medical Technician (EMT) Certification Examination
- ATI TEAS 7 (Test of Essential Academic Skills)
- UPSC Civil Services (IAS/IPS/IFS)
- SSC CGL
- Civil Service Fast Stream
- CLAT (Common Law Admission Test)
- NDA (National Defence Academy)
- UGC NET
- IBPS PO (Probationary Officer)
- SBI PO
- RRB NTPC (Railway Recruitment)
- CTET (Central Teacher Eligibility Test)
- RBI Grade B
- SEBI Grade A
- LIC AAO (Assistant Administrative Officer)
- NABARD Grade A
- EPFO (Employees' Provident Fund Organisation)
- Life in the UK Test
- JLPT (Japanese Language Proficiency Test)
- HSK (Chinese Proficiency Test)
- TOPIK (Korean Proficiency Test)
- DELE (Spanish)
- DELF/DALF (French)
- Goethe-Zertifikat (German)
- ACT
- GED (General Educational Development)
- AP Exams (Advanced Placement)
- JEE Main
- NEET (National Eligibility cum Entrance Test)
- CAT (Common Admission Test)
- GATE (Graduate Aptitude Test in Engineering)
- UKCAT/UCAT
- BMAT
- ENEM (Exame Nacional do Ensino Medio)
- EmSAT
- Gaokao (Digital Subjects)
- CSAT (Suneung)
- ATAR (Australian Tertiary Admission Rank)
- Singapore A-Levels
- PSAT/NMSQT
- SSAT (Secondary School Admission Test)
- ISEE (Independent School Entrance Exam)
- IB Diploma Exams
- Cambridge IGCSE
- Cambridge A-Levels
- GCSE
- 11+ Exam
- Common Entrance (CE)
- JAMB UTME
- WAEC (WASSCE)
- SNMPTN/UTBK
- Saber 11
- COMIPEMS
- Zhongkao
- CUET UG (Common University Entrance Test, Undergraduate)
- JEE Advanced
- PTE Academic
- Cambridge English (FCE/CAE/CPE)
- Real Estate License Exam
- PHR/SPHR (HR Certification)
- SHRM-CP/SHRM-SCP
- Salesforce Administrator
- Salesforce Certified Technical Architect (CTA)
- Google Analytics Certification
- HubSpot Certifications
- Cisco CCNA
- Scrum.org PSM I
- ASQ Six Sigma Black Belt (CSSBB)
- Life and Health Insurance Producer Licensing Exam
- Microsoft Office Specialist (MOS)
- CompTIA A+
- CompTIA Network+
- ITIL 4 Foundation
- Terraform Associate
- Docker Certified Associate
- PE Exam (Professional Engineer)
- FE Exam (Fundamentals of Engineering)
- TOGAF 10 Certified
- ARE (Architectural Registration Exam)
Requirements & Scoring
(105)Eligibility, passing scores and how each exam is marked
- AWS Solutions Architect Associate
- Azure Administrator (AZ-104)
- Google Cloud Professional Architect
- Kubernetes Administrator (CKA)
- AWS Cloud Practitioner
- AWS Certified AI Practitioner (AIF-C01)
- AWS Certified Data Engineer - Associate (DEA-C01)
- AWS Certified Machine Learning Engineer - Associate (MLA-C01)
- Azure Fundamentals (AZ-900)
- Azure AI Fundamentals (AI-901)
- Certified Kubernetes Application Developer (CKAD)
- Google Cloud Associate Cloud Engineer
- CompTIA Security+
- CISSP
- CEH (Certified Ethical Hacker)
- Certified in Cybersecurity (CC)
- Security, Compliance and Identity Fundamentals (SC-900)
- PMP (Project Management Professional)
- PRINCE2 Foundation
- Certified ScrumMaster (CSM)
- Lean Six Sigma Green Belt (IASSC ICGB)
- PMI Agile Certified Practitioner (PMI-ACP)
- GRE (Graduate Record Examination)
- GMAT (Graduate Management Admission Test)
- SAT
- IELTS
- TOEFL iBT
- Duolingo English Test
- OET (Occupational English Test)
- CPA (Certified Public Accountant)
- CFA (Chartered Financial Analyst)
- Series 7
- Certified Internal Auditor (CIA)
- Bar Exam (USA)
- LSAT
- AIBE (All India Bar Examination)
- CIPP/US (Certified Information Privacy Professional/United States)
- Solicitors Qualifying Examination (SQE1 and SQE2)
- USMLE Step 1
- MCAT
- NCLEX-RN
- ARRT Radiography Certification, R.T.(R)
- HESI A2 (Admission Assessment Exam)
- NEET PG (National Eligibility cum Entrance Test, Postgraduate)
- NREMT Emergency Medical Technician (EMT) Certification Examination
- ATI TEAS 7 (Test of Essential Academic Skills)
- UPSC Civil Services (IAS/IPS/IFS)
- SSC CGL
- Civil Service Fast Stream
- Life in the UK Test
- JLPT (Japanese Language Proficiency Test)
- HSK (Chinese Proficiency Test)
- TOPIK (Korean Proficiency Test)
- DELE (Spanish)
- DELF/DALF (French)
- Goethe-Zertifikat (German)
- ACT
- GED (General Educational Development)
- AP Exams (Advanced Placement)
- JEE Main
- NEET (National Eligibility cum Entrance Test)
- CAT (Common Admission Test)
- GATE (Graduate Aptitude Test in Engineering)
- UKCAT/UCAT
- BMAT
- ENEM (Exame Nacional do Ensino Medio)
- EmSAT
- Gaokao (Digital Subjects)
- CSAT (Suneung)
- ATAR (Australian Tertiary Admission Rank)
- Singapore A-Levels
- PSAT/NMSQT
- SSAT (Secondary School Admission Test)
- ISEE (Independent School Entrance Exam)
- IB Diploma Exams
- Cambridge IGCSE
- Cambridge A-Levels
- GCSE
- 11+ Exam
- Common Entrance (CE)
- JAMB UTME
- WAEC (WASSCE)
- SNMPTN/UTBK
- Saber 11
- COMIPEMS
- Zhongkao
- CUET UG (Common University Entrance Test, Undergraduate)
- JEE Advanced
- PTE Academic
- Cambridge English (FCE/CAE/CPE)
- Real Estate License Exam
- PHR/SPHR (HR Certification)
- SHRM-CP/SHRM-SCP
- Salesforce Administrator
- Google Analytics Certification
- HubSpot Certifications
- Cisco CCNA
- Scrum.org PSM I
- Life and Health Insurance Producer Licensing Exam
- Microsoft Office Specialist (MOS)
- CompTIA A+
- CompTIA Network+
- ITIL 4 Foundation
- Terraform Associate
- Docker Certified Associate