S90.18 Exam Questions & Answers

The application of the __________ pattern can eliminate the need for__________. However, the application of this pattern can also introduce increased dependency on __________ that can result in a single point of failure for multiple services.

The more _____________ the security architecture is across services, the more ____________the service composition architecture.

By applying the Data Origin Authentication pattern together with the Brokered Authentication pattern, you guarantee confidential message exchanges by a service consumer that needs to repeatedly authenticate itself with a set of services within the same service composition.

The manager of an IT department decides to split up an existing enterprise service inventory into two domain service inventories. The public key used previously in the enterprise service inventory can continue to be used in one of the domain service inventories.

Service A is a utility service that has been designed to receive and send non-confidential messages. Service A provides access to a legacy application. Since the launch of Service A . the overall usage volumes have increased beyond expectations. Upon a review of the access logs, it is discovered that most of the requests came from unauthorized service consumers. The application of the Direct Authentication and Data Confidentiality patterns will prevent this from happening in the future.