The answer is to request the vendor to upgrade encryption algorithms to current standards. This is correct because the contract explicitly requires adherence to industry best practices, and outdated algorithms like DES or SHA-1 violate that obligation, creating a compliance gap that must be addressed as the first step in remediation. On the CompTIA SecurityX CAS-004 exam, this scenario tests your understanding of vendor encryption contract compliance within third-party risk management, where the trap is to immediately terminate the contract or accept the risk without first enforcing the existing agreement. A common memory tip is “Contract first, then escalate”—always leverage the signed agreement as your primary tool before considering penalties or termination.
CAS-004 Governance, Risk and Compliance Practice Question
This CAS-004 practice question tests your understanding of governance, risk and compliance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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A security analyst is reviewing a third-party assessment report and notes that the vendor's encryption algorithms are outdated. The contract requires the vendor to follow industry best practices. Which of the following is the BEST response?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Request the vendor to upgrade encryption algorithms to current standards.
Option A is correct because the contract establishes the requirement, and requesting an upgrade is the proper first step to remedy the deficiency.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Conduct a penetration test on the vendor's system.
Why it's wrong here
A pen test might not address the algorithm issue and could be outside the scope of the relationship.
✓
Request the vendor to upgrade encryption algorithms to current standards.
Why this is correct
Directly asking the vendor to comply with the contract's best-practice clause is the most appropriate first step.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Terminate the contract immediately.
Why it's wrong here
Termination should be a last resort after attempts to remedy.
✗
Accept the risk because the vendor is technically compliant with the contract.
Why it's wrong here
The contract explicitly requires best practices, so outdated algorithms are non-compliant.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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 the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CAS-004 NAT questions on configuration and troubleshooting.
Governance, Risk and Compliance — This question tests Governance, Risk and Compliance — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Request the vendor to upgrade encryption algorithms to current standards. — Option A is correct because the contract establishes the requirement, and requesting an upgrade is the proper first step to remedy the deficiency.
What should I do if I get this CAS-004 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CAS-004 NAT questions on configuration and troubleshooting.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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