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Certification Exams with Helpful Questions And Answers

Fundamental SOA Security Questions and Answers

Question 1

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?

Options:

A.

The service's autonomy is increased.

B.

The operational responsibility is increased due to the need to keep the dedicated identity store in synch with a parent identity store.

C.

The potential to apply the Service Abstraction principle is increased.

D.

The service will no longer be dependent on a certificate authority.

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Question 2

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.

Options:

A.

True

B.

False

Question 3

Service A is owned by Organization A. Service A sends a message containing confidential data to Service B, which is owned by Organization B. Service B sends the message to Service C, which is also owned by Organization B. Organization A trusts Organization B, which means there is no requirement to protect messages from intermediaries and after a message is received by Service B (and as long as the message remains within the boundary of Organization B), there is no requirement to keep the message data confidential. Which of the following approaches will fulfill these security requirements with the least amount of performance degradation?

Options:

A.

Messages exchanged between Service A and Service B are encrypted using XML-Encryption.

B.

The communication channel between Service A and Service B is encrypted using a transport-layer security technology.

C.

SAML security tokens are used so that Service B can authenticate Service A.

D.

An authentication broker is introduced between Service A and Service B.