CND Practice Question: Enterprise Cloud Virtual And Wireless Network Protection
A cloud security specialist is hardening a Google Cloud Storage bucket. The enterprise requirement mandates that once an object is written, it cannot be modified or deleted by any user, including root administrators, for a compliance retention period of 5 years. Which GCP storage feature must be configured?
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
✓
Cloud Storage Bucket Lock using Object Retention Policies (WORM)
Cloud Storage Bucket Lock using Object Retention Policies (WORM storage) enforces Write Once, Read Many compliance protections that cannot be bypassed even by bucket owners.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Google Cloud IAM Bucket-Level Access Control with deny policies
Why it's wrong here
IAM deny policies can potentially be modified or removed by administrators with security admin roles.
- ✗
Customer-managed encryption keys (CMEK) with scheduled key rotation
Why it's wrong here
CMEK encrypts data but does not prevent object deletion or modification by users with delete permissions.
- ✗
GCP Storage object versioning with lifecycle rules
Why it's wrong here
Lifecycle rules and versioning allow previous versions to be deleted by authorized administrators, failing strict WORM compliance.
- ✓
Cloud Storage Bucket Lock using Object Retention Policies (WORM)
Why this is correct
Bucket Lock enforces WORM (Write Once, Read Many) retention policies that prevent deletion or modification until expiration.
About these practice questions
This CND question is part of Courseiva's 323-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official EC-Council exam blueprint
This CND practice question is part of Courseiva's free EC-Council 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 CND exam.