Question 1easymulti select
Full question →- A
OIDC
OIDC is built-in.
- B
LDAP
LDAP is built-in.
- C
SAML
Why wrong: SAML is not built-in; requires plugin.
- D
RADIUS
Why wrong: RADIUS is available via plugin, not built-in.
- E
AppRole
AppRole is built-in.
Question 108 of 514
VA-003 Compare authentication methods Practice Question
This VA-003 practice question tests your understanding of compare authentication methods. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which THREE authentication methods are built into Vault (no plugin required)?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
OIDC
OIDC (OpenID Connect) is built into Vault as an identity provider and authentication method without requiring any external plugin. It allows clients to authenticate via OIDC providers like Okta or Azure AD, leveraging JWT tokens for identity verification. Vault's built-in OIDC support is configured through the `vault auth enable oidc` command and does not depend on any separate plugin binary.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
OIDC
Why this is correct
OIDC is built-in.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
LDAP
Why this is correct
LDAP is built-in.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
SAML
Why it's wrong here
SAML is not built-in; requires plugin.
- ✗
RADIUS
Why it's wrong here
RADIUS is available via plugin, not built-in.
- ✓
AppRole
Why this is correct
AppRole is built-in.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
HashiCorp often tests the distinction between 'built-in' and 'plugin-based' authentication methods, and the trap here is that candidates mistakenly assume SAML is built-in because it is a common enterprise protocol, but Vault requires a separate plugin for SAML support.
Detailed technical explanation
How to think about this question
Vault's built-in authentication methods are compiled into the Vault binary itself, including OIDC, LDAP, and AppRole. LDAP uses a direct bind against an LDAP directory server (e.g., OpenLDAP or Active Directory) without any plugin, while AppRole relies on RoleIDs and SecretIDs for machine-to-machine authentication. Under the hood, OIDC in Vault implements the Authorization Code flow and validates ID tokens using JWKS endpoints, all handled natively by Vault's core code.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A junior network technician can log in to a core router but cannot reach the enable prompt or configuration mode. The AAA server is authenticating the login — but the authorisation policy only grants privilege level 1, not 15. Authentication (who you are) is working; authorisation (what you can do) is not.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this VA-003 question test?
Compare authentication methods — This question tests Compare authentication methods — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: OIDC — OIDC (OpenID Connect) is built into Vault as an identity provider and authentication method without requiring any external plugin. It allows clients to authenticate via OIDC providers like Okta or Azure AD, leveraging JWT tokens for identity verification. Vault's built-in OIDC support is configured through the `vault auth enable oidc` command and does not depend on any separate plugin binary.
What should I do if I get this VA-003 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 30, 2026
This VA-003 practice question is part of Courseiva's free HashiCorp certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the VA-003 exam.
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