S90.08

S90.08 practice questions, page 2 of 4, with answer review and explanations.

Question 6

The use of service agents will affect the design of service compositions as follows:

  1. it will tend to increase the number of required services
  2. it will tend to decrease the number of required services
  3. it will tend to increase the number of required service compositions
  4. it will tend to decrease the number of required service compositions

Question 7

Which of the following statements is true?

  1. The overuse of service agents can lead to dependencies on proprietary vendor platforms.
  2. The use of service agents is limited to the service architecture.
  3. Service agents are common in orchestration environments but not within enterprise service bus environments.
  4. None of these statements are true.

Question 8

Governance can become an issue with service agents because:

  1. You will need to determine who will own and maintain the service agents.
  2. Changes to a single service agent can impact multiple services throughout a service inventory.
  3. Service agents need to be versioned, just like services.
  4. All of the above.

Question 9

Which of the following patterns may also require the application of the Service Agent pattern?

  1. Reliable Messaging
  2. Asynchronous Queuing
  3. Intermediate Routing
  4. Policy Centralization

Question 10

Which statement regarding intermediate routing is true?

  1. The application of the Intermediate Routing pattern is suitable for handling message routing requirements that are dynamic in nature and difficult to anticipate in advance.
  2. The application of the Intermediate Routing pattern is suitable for handling pre-determined message paths with fixed routing requirements that cannot be changed at runtime.
  3. The application of the Intermediate Routing pattern tends to improve runtime performance when compared to an approach whereby routing logic is embedded within individual services.
  4. None of these statements are true.