Quick Answer
The correct answer is adaptive tuning and mitigation of DDoS attacks, along with cost protection for scaled resources during an attack. Adaptive tuning uses machine learning to analyze traffic patterns specific to your Azure applications, automatically adjusting mitigation thresholds to reduce false positives, while cost protection ensures you are not billed for the additional scaled-out resources consumed during a DDoS attack, effectively shielding your Azure spending from attack-driven spikes. On the Microsoft Cybersecurity Architect exam, this question tests your ability to distinguish DDoS Protection’s unique value from other security services—a common trap is confusing it with a web application firewall (WAF) or SSL termination, which are separate Azure offerings. Remember that DDoS Protection is purely about network-layer defense and financial safeguards, not application-layer inspection or encryption. A helpful memory tip: think “tune and refund”—adaptive tuning adjusts the shield, and cost protection refunds the bill.
This SC-100 practice question tests your understanding of design security solutions for infrastructure. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Which TWO of the following are features of Azure DDoS Protection?
Cost protection for scaled resources during an attack
Provides cost protection for auto-scaling.
Web application firewall (WAF) capabilities
Why wrong: WAF is a separate service.
Site-to-site VPN connectivity
Why wrong: VPN is a separate service.
SSL termination and offloading
Why wrong: Not a feature of DDoS Protection.
Adaptive tuning and mitigation of DDoS attacks
Core feature of DDoS Protection.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Cost protection for scaled resources during an attack
Option B is correct because DDoS Protection provides adaptive tuning and mitigation. Option D is correct because it offers cost protection for scaled resources during an attack. Option A is wrong because DDoS Protection does not provide a web application firewall (WAF is separate). Option C is wrong because DDoS Protection does not provide SSL termination. Option E is wrong because DDoS Protection is not a VPN service.
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
For each option: why learners choose it and why it is or isn't the right answer here.
Cost protection for scaled resources during an attack
Why this is correct
Provides cost protection for auto-scaling.
Related concept
Static NAT maps one inside address to one outside address.
Web application firewall (WAF) capabilities
Why it's wrong here
WAF is a separate service.
Site-to-site VPN connectivity
Why it's wrong here
VPN is a separate service.
SSL termination and offloading
Why it's wrong here
Not a feature of DDoS Protection.
Adaptive tuning and mitigation of DDoS attacks
Why this is correct
Core feature of DDoS Protection.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
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
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.
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
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
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 SC-100 NAT questions on configuration and troubleshooting.
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FAQ
Design security solutions for infrastructure — This question tests Design security solutions for infrastructure — Static NAT maps one inside address to one outside address..
The correct answer is: Cost protection for scaled resources during an attack — Option B is correct because DDoS Protection provides adaptive tuning and mitigation. Option D is correct because it offers cost protection for scaled resources during an attack. Option A is wrong because DDoS Protection does not provide a web application firewall (WAF is separate). Option C is wrong because DDoS Protection does not provide SSL termination. Option E is wrong because DDoS Protection is not a VPN service.
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 SC-100 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 21, 2026
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