SOA : S90.18 Questions & Answers
Last Updated: Oct 29, 2026
No. of Questions: 100 Questions & Answers with Testing Engine
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SOA S90.18 Practice Q&A's
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A credential tied to SOA Fundamental SOA Security tells employers you can do the work, not just talk about it. Prepare for the S90.18 exam with 100 expert-verified practice questions from ActualTorrent.
SOA S90.18 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Security Standards and Protocols | - Industry standards used in SOA security
|
| Topic 2: Message Security and Data Protection | - Encryption and integrity mechanisms
|
| Topic 3: Identity and Access Management | - Authentication and Authorization
|
| Topic 4: SOA Security Fundamentals | - Service-Oriented Architecture Security Principles
|
| Topic 5: Security Threats and Risk Management in SOA | - Common threats and vulnerabilities
|
Everything Candidates Ask About the S90.18 Exam
The SOA Fundamental SOA Security exam (exam code S90.18) is the official SOA exam that leads to the Fundamental SOA Security certification, sitting at the Professional level of the SOA certification track. If this is the credential you are working toward, the 100 practice questions at ActualTorrent map directly to its objectives.
The SOA Fundamental SOA Security exam includes Approximately 40 questions, and you have 90 minutes to complete them. Divide the time limit by the question count and you get a tight average pace per item, so train yourself to flag time-consuming questions and return to them later instead of getting stuck. Before test day, run at least one full timed session in the ActualTorrent test engine under the same limits — the clock should never surprise you.
According to SOA, candidates should meet the following before registering: No formal prerequisites required (basic SOA knowledge recommended). Requirements can change, so confirm the latest details on the official SOA exam page before you register.
You can register for the SOA Fundamental SOA Security exam through the official channels below:
Exam delivery: Computer-based exam (online or testing center depending on provider).
SOA lists the following official training options for this exam:
Formal training builds the theory; pair it with the 100 practice questions from ActualTorrent to find out whether you are genuinely ready for the exam.
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The SOA Fundamental SOA Security blueprint is divided into 5 major domains, starting with Security Standards and Protocols, Message Security and Data Protection, and Identity and Access Management. The full breakdown, including every subdomain and its weighting, is listed in the Exam Topics section above — review it against your own weak areas before scheduling the exam.
SOA Fundamental SOA Security Sample Questions:
The Direct Authentication pattern has been applied to a set of services so that they can
authenticate service consumers. These services use a shared identity management
system. This results in a security architecture that reduces the potential for applying the
Service Autonomy principle.
- A. True
- B. False
Correct Answer: A 🗳️
You are required to design an authorization mechanism for a REST service. The service
provides functionality by providing access to different resources, some of which are local to
the service while others are located on remote servers. You are required to restrict access
to the service based on which resource is requested and which HTTP method has been
specified by the service consumer. By doing so, which combination of action control rules
needs to be used?
- A. resource and action
- B. environment and resource
- C. action and identity
- D. identity and environment
Correct Answer: A 🗳️
A service that was previously using a shared identity store is now given its own dedicated
identity store instead. What are the likely impacts (positive or negative) that will result from
this change?
- A. The service will no longer be dependent on a certificate authority.
- B. The potential to apply the Service Abstraction principle is increased.
- C. The operational responsibility is increased due to the need to keep the dedicated identity
store in synch with a parent identity store. - D. The service's autonomy is increased.
Correct Answer: C,D 🗳️
You are required to design security mechanisms to enable secure message exchanges
between different domain service inventories within the same organization. This needs to
be documented in the design specification for which type of service-oriented architecture?
- A. service inventory architecture
- B. service-oriented enterprise architecture
- C. service architecture
- D. service composition architecture
Correct Answer: B 🗳️
Security specialists are planning to implement public key cryptography in order to encrypt
messages exchanged between Service A and Service B.
Which of the following options fulfills this requirement?
- A. A shared key is used by both the services for message encryption and decryption
- B. The XML-Signature standard is applied
- C. None of the above
- D. The Data Origin Authentication pattern is applied
Correct Answer: C 🗳️
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