VA-003 Compare authentication methods Practice Question
An organization uses Vault with LDAP authentication. Users report they are unable to log in, and the administrator sees errors like 'LDAP bind failed: invalid credentials' in the Vault logs. The LDAP server is reachable. What is the most likely cause?
⚠ Common exam trap
HashiCorp often tests the distinction between authentication failures (invalid credentials) and connectivity/TLS errors, so candidates mistakenly choose TLS or certificate issues when the error message clearly points to credential mismatch.
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
✓
The binddn or bindpass configured in Vault is incorrect
The error 'LDAP bind failed: invalid credentials' specifically indicates that the authentication attempt to the LDAP server using the configured binddn and bindpass failed. Since the LDAP server is reachable, the most direct cause is that the bind credentials stored in Vault's LDAP configuration do not match what the LDAP server expects. This is a configuration mismatch, not a connectivity or TLS issue.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The binddn or bindpass configured in Vault is incorrect
Why this is correct
Incorrect bind credentials cause bind failures.
- ✗
Vault is not configured to use SSL/TLS for LDAP
Why it's wrong here
Bind failures can occur with or without SSL.
- ✗
The LDAP server does not allow anonymous binds
Why it's wrong here
Vault uses a configured binddn, not anonymous binds.
- ✗
The LDAP server certificate is not trusted by Vault
Why it's wrong here
Certificate issues would cause TLS errors, not bind failures.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.