The correct combination is HTTPS and TDE, because HTTPS encrypts data in transit over the network, while Transparent Data Encryption (TDE) secures data at rest within the database. This pairing ensures full coverage of the security policy’s requirement for encryption in transit and at rest controls, addressing both the communication channel and the stored data. On the Cisco CyberOps Associate 200-201 exam, this question tests your understanding of layered encryption strategies and common gaps, such as assuming HTTPS alone protects stored data or that database encryption covers network traffic. A frequent trap is choosing a VPN-only solution, which encrypts in transit but leaves the database unencrypted at rest. To remember, think of the two phases of data: moving (HTTPS) and sleeping (TDE).
200-201 Security Policies and Procedures Practice Question
This 200-201 practice question tests your understanding of security policies and procedures. 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.
An organization is developing a new cloud-based application. The security policy requires that all data be encrypted in transit and at rest. Which combination of controls meets this requirement?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use HTTPS and encrypt the database with TDE
Option D is correct because HTTPS encrypts data in transit and TDE encrypts data at rest. Option A is wrong because HTTPS alone does not encrypt data at rest. Option B is wrong because database encryption alone does not encrypt in transit. Option C is wrong because VPN encrypts in transit but not at rest.
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.
✗
Use a VPN for all connections
Why it's wrong here
VPN encrypts in transit but does not address data at rest.
✗
Encrypt the database using Transparent Data Encryption (TDE)
Why it's wrong here
TDE provides encryption at rest but not in transit.
✗
Use HTTPS for all communication
Why it's wrong here
HTTPS provides encryption in transit but not at rest.
✓
Use HTTPS and encrypt the database with TDE
Why this is correct
Combining HTTPS (transit) and TDE (at rest) satisfies both requirements.
Related concept
Static NAT maps one inside address to one outside address.
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 200-201 NAT questions on configuration and troubleshooting.
Security Policies and Procedures — This question tests Security Policies and Procedures — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use HTTPS and encrypt the database with TDE — Option D is correct because HTTPS encrypts data in transit and TDE encrypts data at rest. Option A is wrong because HTTPS alone does not encrypt data at rest. Option B is wrong because database encryption alone does not encrypt in transit. Option C is wrong because VPN encrypts in transit but not at rest.
What should I do if I get this 200-201 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 200-201 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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