Arcitura Education S90.19 Exam - Topic 2 Question 1 Discussion

Question

The Service Perimeter Guard pattern has been applied to help avoid denial of service attacks for a service inventory. As a result, services within the service inventory are only accessible via a perimeter service However, denial of service attacks continue to succeed and services within the service inventory become unavailable to external service consumers. What is the likely cause of this?

Twana · Accepted Answer

B) The perimeter service itself is the victim of denial of service attacks. As a result, none of the services inside the service inventory can be accessed by external service consumers.

Twana · Answer

A) The application of the Service Perimeter Guard pattern needs to be combined with the application of the Message Screening pattern in order to mitigate denial of service attacks.

Twana · Answer

C) The Trusted Subsystem pattern should have been applied so that each service has a dedicated trusted subsystem.

Twana · Answer

D) The Service Perimeter Guard pattern does not help avoid denial of service attacks.