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Arcitura Education S90.18 Exam - Topic 5 Question 31 Discussion

Service A is an agnostic service that currently uses message-layer security implemented by symmetric encryption. However, because Service A has recently been successfully attacked, it has been decided that asymmetric encryption needs to be used instead. The nature of the messages exchanged by Service A requires that only some parts of the message data need to be encrypted. Although it is agreed that asymmetric encryption is required, architects are concerned that it will adversely affect the service's runtime performance. Which of the following approaches will fulfill these security requirements with the least amount of performance degradation?
B) Only the required parts of the message need to be encrypted instead of encrypting the entire message.
A) An authentication broker needs to be introduced with a dedicated identity store.
C) The Direct Authentication pattern needs to be applied so that no intermediary is involved between Service A and its service consumers.
D) Certificates need to be issued by a registered certificate authority.

Arcitura Education S90.18 Exam - Topic 5 Question 31 Discussion

Actual exam question for Arcitura Education's S90.18 exam
Question #: 31
Topic #: 5
[All S90.18 Questions]

Service A is an agnostic service that currently uses message-layer security implemented by symmetric encryption. However, because Service A has recently been successfully attacked, it has been decided that asymmetric encryption needs to be used instead. The nature of the messages exchanged by Service A requires that only some parts of the message data need to be encrypted. Although it is agreed that asymmetric encryption is required, architects are concerned that it will adversely affect the service's runtime performance. Which of the following approaches will fulfill these security requirements with the least amount of performance degradation?

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Suggested Answer: B

by Rodolfo at May 08, 2022, 10:24 PM

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Earnestine
10 months ago
D is important for trust, but might slow things down.
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Timothy
10 months ago
C could lead to performance issues, not a fan.
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Staci
11 months ago
Surprised they didn't mention hybrid encryption!
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Coral
11 months ago
I disagree, A adds more complexity than necessary.
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Mary
11 months ago
B is the way to go, only encrypt what you need!
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Aleta
11 months ago
Hmm, I'm a bit unsure about this one. I'm trying to decide between cost-benefit analysis and cyber risk assessment. I'll need to think it through a bit more.
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Val
11 months ago
Hmm, this seems like a tricky one. I'll need to think carefully about where attachments to investigations might be stored in the system.
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Alba
11 months ago
I might lean towards option D, $59,000 F, but I'm not sure if I got all the calculations right during my review sessions.
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