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Arcitura Education C90.03 Exam - Topic 6 Question 20 Discussion

Cloud Provider Y owns Cloud Y, which provides a set of cloud services, virtual servers and one physical server. Cloud Services A and B are hosted on Virtual Server A, which is hosted by Physical Server A . Physical Server A also hosts Virtual Server B, which hosts redundant implementations of Cloud Services A and B for load balancing purposes. Cloud Service Consumer A is accessing Cloud Service A located on Virtual Server A . Cloud Service Consumer B is accessing Cloud Service B located on Virtual Server B . Cloud Service Consumers A and B are both owned by Cloud Consumer X. Cloud Consumer X has recently complained that Cloud Services A and B have become less available than what is guaranteed in their service level agreements (SLAs). Cloud Provider Y launches an investigation that reveals that Virtual Servers A and B have been subjected to denial of service attacks. This is confirmed as the cause of the decline in the availability of Cloud Services A and B.Which of the following statements describes a solution that can increase the availability of Cloud Services A and B?
A) Cloud Provider Y can implement the identity and access management mechanism to mitigate denial of service attacks and can further implement the failover system mechanism (by introducing a redundant physical server with redundant virtual servers) so that when an attack is successful on a given virtual server, a redundant virtual server can take its place.
B) Cloud Provider Y can move Cloud Service B to Virtual Server A, thereby positioning Virtual Server B as a redundant fallback server used when Virtual Server A is successfully attacked. Similarly, Cloud Provider Yean move Cloud Service A to Virtual Server B, so that Virtual Server A acts as a redundant fallback server for when Virtual Server B is successfully attacked.
C) Cloud Provider Y can implement a cloud bursting system, whereby Cloud Service A on Virtual Server B automatically takes the place of Cloud Service A on Virtual Server A when that service fails. Similarly, Cloud Service B on Virtual Server A can then automatically take the place of Cloud Service B on Virtual Server A when that service fails.
D) Cloud Provider Y can introduce a single sign-on mechanism for Virtual Server A to mitigate denial of service threats. The automated scaling listener can then be implemented on Virtual Server B in order to limit the number of instances of Cloud Services A and B. This will prevent Virtual Server B from overloading due to denial of service attacks.

Arcitura Education C90.03 Exam - Topic 6 Question 20 Discussion

Actual exam question for Arcitura Education's C90.03 exam
Question #: 20
Topic #: 6
[All C90.03 Questions]

Cloud Provider Y owns Cloud Y, which provides a set of cloud services, virtual servers and one physical server. Cloud Services A and B are hosted on Virtual Server A, which is hosted by Physical Server A . Physical Server A also hosts Virtual Server B, which hosts redundant implementations of Cloud Services A and B for load balancing purposes. Cloud Service Consumer A is accessing Cloud Service A located on Virtual Server A . Cloud Service Consumer B is accessing Cloud Service B located on Virtual Server B . Cloud Service Consumers A and B are both owned by Cloud Consumer X. Cloud Consumer X has recently complained that Cloud Services A and B have become less available than what is guaranteed in their service level agreements (SLAs). Cloud Provider Y launches an investigation that reveals that Virtual Servers A and B have been subjected to denial of service attacks. This is confirmed as the cause of the decline in the availability of Cloud Services A and B.

Which of the following statements describes a solution that can increase the availability of Cloud Services A and B?

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Suggested Answer: A

by Youlanda at Jul 23, 2022, 11:53 AM

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Lucy
7 months ago
Not sure if single sign-on will really help here.
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Eliz
7 months ago
Totally agree with A, failover is key!
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Viki
7 months ago
Wait, moving services around? That seems risky!
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Ronny
8 months ago
I think option A makes the most sense for redundancy.
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Florinda
8 months ago
Sounds like a classic DDoS issue.
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Lawrence
8 months ago
I feel like single sign-on might not directly address the availability issue. It seems more focused on access management rather than mitigating attacks.
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Dell
8 months ago
I practiced a similar question about cloud bursting, but I can't recall if it was the best solution for denial of service attacks.
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Rusty
8 months ago
I think moving Cloud Service B to Virtual Server A sounds risky. What if both servers get attacked at the same time?
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Elenore
8 months ago
I remember we discussed how implementing a failover system could help with availability issues, but I'm not sure if just adding a redundant physical server is enough.
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Dortha
8 months ago
I'm not totally sure, but I think the key here is that the Central Limit Theorem is about the distribution of sample means, which is the foundation for using samples to estimate population parameters.
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Buck
8 months ago
I'm pretty confident it's "Name." That's what links the input fields to the data structure, right?
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Tyisha
8 months ago
Hmm, this looks like a tricky one. I'll need to think it through carefully.
upvoted 0 times
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