Arcitura Education S90.19 Exam - Topic 5 Question 64 Discussion

Question

Service A is an agnostic service that is part of a complex service composition that relies on the use of several intermediaries for message routing purposes. Due to a recent malicious intermediary attack, public key cryptography and digital signatures have been added to Service A . Subsequently, the attacks stop. However, legitimate service consumers are experiencing latency when interacting with services from this complex service composition. Following an investigation, it is discovered that Service A has increased its system resource consumption in order to perform its new security-related functions. How can you improve Service A's performance without compromising its security requirements and without introducing new security mechanisms?

Cecily · Accepted Answer

B) Use key agreement security sessions by deriving different keys from a session key for signing as well as encryption.

Cecily · Answer

A) Use symmetric encryption in combination with the Service Perimeter Guard pattern and SAML tokens.

Cecily · Answer

C) Use base 64 encoded certificates in order to provide integrity and confidentiality.

Cecily · Answer

D) None of the above.