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  1. Home
  2. Arcitura Education
  3. S90.18

Arcitura Education S90.18 Exam (page: 1)
Arcitura Education Fundamental SOA Security
Updated on: 12-Feb-2026

Viewing Page 1 of 14
S90.18 PDF 98 Questions

Which of the following is not a hashing algorithm?

  1. MD5
  2. X.509
  3. SHA-1
  4. SHA-256

Answer(s): B



The application of the Data Origin Authentication pattern only provides message integrity.

  1. True
  2. False

Answer(s): B



Service A relies on a shared identity store. Service B has its own identity store. Service C also has its own identity store, but must also access the shared identity store used by Service A .
Which service has the least reduction in autonomy as a result of its relationship with identity store mechanism(s)?

  1. Service A
  2. Service B
  3. Service C
  4. The autonomy of all services is affected equally

Answer(s): B



The requirement to defer security related state data at runtime relates directly to the application of which service-orientation principle?

  1. Service Loose Coupling
  2. Service Autonomy
  3. Service Abstraction
  4. None of the above.

Answer(s): D



The use of XML-Encryption supports the application of the Service Abstraction principle because the actual message remains hidden from the attacker.

  1. True
  2. False

Answer(s): B



Service A sends a message to Service B which reads the values in the message header to determine whether to forward the message to Service C or Service D. Because of recent attacks on Services C and D, it has been decided to protect the body content of messages using some form of encryption. However, certain restrictions within the design of Service B will not permit it to be changed to support the encryption and decryption of messages. Only Services A, C and D can support message encryption and decryption.
Which of the following approaches fulfill these security requirements without changing the role of Service B?

  1. Transport-layer security is implemented between all services.
  2. Message-layer security is implemented between all services.
  3. Service B is removed. Instead, the routing logic is added to Service A.
  4. None of the above

Answer(s): B



The application of the Brokered Authentication pattern is best suited for a scenario whereby a service consumer does not need to re-authenticate itself with multiple services.

  1. True
  2. False

Answer(s): B



The SAML and WS-Security industry standards can be applied to the same service composition architecture.

  1. True
  2. False

Answer(s): A



Viewing Page 1 of 14



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