S90.08 Online Practice Questions and Answers

The Messaging Metadata pattern requires a messaging framework that supports the processing of messages with headers or properties.

A. True

B. False

Which of the following functions would not be suitable for a typical service agent?

A. event logging

B. message routing

C. complex Web service composition

D. error logging

The application of the Redundant Implementation pattern can help increase service availability by establishing a duplicate deployment of a service in order to provide failover support.

A. True

B. False

Assuming you have technical service contracts for SOAP-based Web services, you can apply the pattern through the use of .

A. Schema Centralization, XML schemas

B. Message Metadata, SOAP message headers

C. Decoupled Contract, WSDL definitions

D. Policy Centralization, WS-Policy definitions

The Process Centralization pattern is most commonly associated with which service model?

A. utility service

B. entity service

C. task service

D. hybrid service

Which of the following statements are false?

A. The application of the Policy Centralization pattern decreases the governance burden required to ensure that common policies are kept synchronized over time.

B. The application of the Policy Centralization pattern increases the amount of policy content in the service inventory.

C. The application of the Policy Centralization pattern combines global and domain- specific policies into a single location. As a result, the distinction between a global and domain policy is eliminated.

D. The application of the Policy Centralization pattern requires that policies only be expressed with the WS-Policy standard.

An atomic service transaction requires that:

A. alternative compensating logic is executed to undo changes that may have been committed by the services participating in a transaction

B. a service participating in a transaction either commit or rollback changes in response to the success or failure of the transaction

C. services be designed to be aware of all the other services that have also registered as participants in the same transaction in order to exchange success or failure messages with them

D. None of the above.

Which of the following is not required for an atomic service transaction to be successfully carried out?

A. participating services need to capture a snapshot of current data prior to making changes to it

B. a transaction management system that coordinates the actions of participating services

C. transaction participants need to be limited to atomic service agents

D. transaction participants must be able to commit changes or rollback uncommitted changes

For a given service inventory architecture you would choose between an enterprise service bus product or an orchestration product, but you would not use both together.

A. True

B. False

When applying the Asynchronous Queuing pattern you aim to establish an environment in which:

A. an intermediate buffer exists between a service and its service consumer

B. temporary message storage is provided in case either the service or service consumer are unavailable

C. periodic re-transmission of a message is supported until it is successfully delivered

D. enforcement of consistent, uninterrupted, synchronous communication between service and service consumer are guaranteed