hardMultiple Choice
FC0-U71 File permissions Practice Question
Exhibit
Refer to the exhibit.
```
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "s3:ListBucket",
"Resource": "arn:aws:s3:::example-bucket"
},
{
"Effect": "Deny",
"Action": "s3:GetObject",
"Resource": "arn:aws:s3:::example-bucket/*"
}
]
}
```A developer is troubleshooting an issue where a user can list the files in a shared folder but cannot download any of them. Based on the exhibit, what is the most likely cause?
⚠ Common exam trap
A common mix-up: candidates assume that having list permission implies full read access, but access control separates listing from reading file data, and an explicit deny on read overrides any allow.
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 Deny statement on read explicitly denies file retrieval.
The exhibit shows an explicit Deny statement for read access, which overrides any Allow statements due to access control evaluation logic. Even if the user has list permission, the Deny on read prevents downloading files. This is the most likely cause because Deny statements are absolute and cannot be overridden by Allow statements.
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 user lacks permissions to list the folder.
Why it's wrong here
The user can list the folder, so list permission is demonstrably granted; lacking it would produce an access-denied error on listing itself. This is tempting because permission gaps commonly cause access failures, but the symptom here is confined to download, so the missing grant concerns the read or get action.
- ✗
The Allow statement on list also allows downloads.
Why it's wrong here
Allow on list grants only the list action; download requires a separate read or get permission, so this statement describes the fault rather than the cause. It is tempting because list and read are often granted together, but the exhibit shows list allowed while download is not.
- ✓
The Deny statement on read explicitly denies file retrieval.
Why this is correct
The Deny statement overrides any Allow, so although list permissions remain effective, the explicit deny on read blocks file retrieval. This matches the symptom precisely: directory enumeration succeeds while downloads fail, because listing and reading are separate actions and the deny targets only the read action.
- ✗
The policy is malformed and causes an error.
Why it's wrong here
A malformed policy would typically fail evaluation entirely, denying both listing and download; the user can list, so the policy parses and applies. Malformed-policy errors are tempting because they explain blanket access failures, but the exhibit shows partial success, pointing to a condition or action mismatch instead.
Go deeper
Related to this question
About these practice questions
This FC0-U71 question is part of Courseiva's 988-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 by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.