VA-003 Explain encryption as a service Practice Question
Which TWO of the following are benefits of using Vault's transit engine for encryption as a service?
⚠ Common exam trap
HashiCorp often tests the misconception that 'encryption as a service' requires exporting keys to applications, but the transit engine's core benefit is that applications never touch the key material, ensuring centralized control and security.
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
✓
Applications can encrypt/decrypt data without accessing the key material
Vault's transit engine enables applications to encrypt and decrypt data without ever having access to the underlying key material (Option B). Additionally, key rotation is handled centrally by Vault without any application downtime, as applications continue to use the same API calls and Vault manages the rotation transparently (Option E).
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 encryption key is stored in the application's memory
Why it's wrong here
Keys are stored only in Vault, not in application memory.
- ✓
Applications can encrypt/decrypt data without accessing the key material
Why this is correct
Vault holds the keys and performs operations on behalf of applications.
- ✗
Keys can be exported and used in external applications
Why it's wrong here
By default, keys are not exportable; exporting is a security risk.
- ✗
Only the root token can manage keys
Why it's wrong here
Policy can grant management access to non-root tokens.
- ✓
Key rotation is handled centrally without downtime
Why this is correct
Vault manages key versions, and existing ciphertext remains decryptable.
Go deeper
Related to this question
About these practice questions
One of 498 original VA-003 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
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.