- A
The access logs are spoofed; the request actually came from a corporate IP.
Why wrong: Assuming logs are accurate, the IP is external.
- B
The policy has an Allow statement that permits all accesses using SSL, without restricting the source IP.
If the Allow statement only requires SSL but does not enforce the IP condition, then any SSL request would be allowed, bypassing the intended IP restriction.
- C
The unknown IP address is part of a misconfigured VPN client that still appears as the corporate CIDR.
Why wrong: The IP is clearly outside the allowed range, so this is unlikely.
- D
The bucket policy is missing an explicit Deny statement for IP addresses outside the allowed range.
Why wrong: While an explicit Deny is a best practice, the policy should still implicitly deny based on the Allow statement with condition; however, if the Allow condition has a logic flaw, it could allow unintended access.
Quick Answer
The answer is that the SSL condition is overriding the IP restriction due to a permissive Allow statement. This occurs because the bucket policy likely includes an Allow effect that grants access to any request using Secure Transport (aws:SecureTransport), but fails to also enforce the source IP condition from the corporate VPN CIDR block. In cloud storage policies, when an Allow statement for SSL is present without a corresponding Deny for unauthorized IPs, the condition is evaluated as permissive—meaning any SSL request, regardless of origin, is allowed. On the CompTIA Cloud+ CV0-004 exam, this tests your understanding of how policy evaluation logic works, specifically that Allow statements with conditions can unintentionally override Deny statements if the IP condition is not explicitly applied. A common trap is assuming that adding an SSL condition automatically restricts IPs; in reality, each condition must be independently enforced. Memory tip: "SSL opens the door, but IP locks it—if the lock is missing, anyone with SSL walks in."
CV0-004 Operations and Support Practice Question
This CV0-004 practice question tests your understanding of operations and support. 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.
A cloud administrator receives an alert that a storage bucket containing sensitive customer data has been accessed from an unknown IP address at 3:00 AM. The bucket policy is configured to allow access only from the corporate VPN CIDR block (10.0.0.0/8). The administrator checks the access logs and sees that the request originated from 203.0.113.50, which is not within the allowed range. The bucket policy also includes a condition that restricts access to Secure Transport (SSL). What is the most likely reason the request succeeded despite the policy?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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 policy has an Allow statement that permits all accesses using SSL, without restricting the source IP.
If the bucket policy has a condition that checks only for Secure Transport (aws:SecureTransport) but does not explicitly deny IP addresses, a Deny statement with a Null condition on IP address might be misconfigured, or the IP address condition is not applied correctly. The most common error is that the policy allows all requests that use SSL, overriding the IP restriction. Option C correctly identifies that the SSL condition might be too permissive.
Key principle: Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
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 access logs are spoofed; the request actually came from a corporate IP.
Why it's wrong here
Assuming logs are accurate, the IP is external.
- ✓
The policy has an Allow statement that permits all accesses using SSL, without restricting the source IP.
Why this is correct
If the Allow statement only requires SSL but does not enforce the IP condition, then any SSL request would be allowed, bypassing the intended IP restriction.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
CIDR notation defines the prefix length.
- ✗
The unknown IP address is part of a misconfigured VPN client that still appears as the corporate CIDR.
Why it's wrong here
The IP is clearly outside the allowed range, so this is unlikely.
- ✗
The bucket policy is missing an explicit Deny statement for IP addresses outside the allowed range.
Why it's wrong here
While an explicit Deny is a best practice, the policy should still implicitly deny based on the Allow statement with condition; however, if the Allow condition has a logic flaw, it could allow unintended access.
Common exam traps
Common exam trap: usable hosts are not the same as total addresses
Subnetting questions often tempt you into counting all addresses. In normal IPv4 subnets, the network and broadcast addresses are not usable host addresses.
Detailed technical explanation
How to think about this question
Subnetting questions test whether you can identify the network, broadcast address, usable range, mask and correct subnet. Slow down enough to calculate the block size correctly.
KKey Concepts to Remember
- CIDR notation defines the prefix length.
- Block size helps identify subnet boundaries.
- Network and broadcast addresses are not usable hosts in normal IPv4 subnets.
- The required host count determines the smallest suitable subnet.
TExam Day Tips
- Write the block size before choosing the subnet.
- Check whether the question asks for hosts, subnets or a specific address range.
- Do not confuse /24, /25, /26 and /27 host counts.
Key takeaway
Count usable hosts — not total addresses — and remember that the network and broadcast addresses are not available to hosts in standard IPv4 subnets.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related CV0-004 subnetting questions on CIDR, address ranges, and subnet selection.
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Operations and Support — study guide chapter
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Operations and Support practice questions
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All CV0-004 questions
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CompTIA Cloud+ CV0-004 study guide
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CV0-004 practice test guide
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FAQ
Questions learners often ask
What does this CV0-004 question test?
Operations and Support — This question tests Operations and Support — CIDR notation defines the prefix length..
What is the correct answer to this question?
The correct answer is: The policy has an Allow statement that permits all accesses using SSL, without restricting the source IP. — If the bucket policy has a condition that checks only for Secure Transport (aws:SecureTransport) but does not explicitly deny IP addresses, a Deny statement with a Null condition on IP address might be misconfigured, or the IP address condition is not applied correctly. The most common error is that the policy allows all requests that use SSL, overriding the IP restriction. Option C correctly identifies that the SSL condition might be too permissive.
What should I do if I get this CV0-004 question wrong?
Review block sizes, usable host formulas (2^n − 2), and how to find network and broadcast addresses for /24 through /30. Then practise related CV0-004 subnetting questions on CIDR, address ranges, and subnet selection.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
CIDR notation defines the prefix length.
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Last reviewed: Jun 24, 2026
This CV0-004 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 CV0-004 exam.
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