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Cloud Service Consumer A invokes Cloud Service A from Cloud X (owned by Cloud Provider X) (1). To fulfill the request from Cloud Service Consumer A, Cloud Service A needs to invoke Cloud Service B that resides on Cloud Y (owned by Cloud Provider Y) (2). After completing its processing, Cloud Service B sends a response to Cloud Service A (3). Cloud Service A verifies the response and then finally sends its response to Cloud Service Consumer A (4).
The guaranteed availability of the Cloud Service A implementation is 95% and the guaranteed availability of the Cloud Service B implementation is 95%. Which of the following statements accurately describes the actual availability that Cloud Service Consumer A can receive based on the described scenario?
Suggested Answer: A, D
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40 comments · newest first
JA
Janella
11 months ago
D looks like the right answer to me!
DO
Dortha
12 months ago
C seems off, not sure about that calculation.
EL
Elmer
12 months ago
Wait, how does redundancy work in this case?
CH
Charolette
1 year ago
I agree, B makes more sense here.
JU
Junita
1 year ago
A is totally wrong, the availability actually decreases.
KA
Karima
1 year ago
I feel like the dependency between Cloud Service A and B could lower the overall availability, but I can't quite remember the exact formula to use for that.
NA
Naomi
1 year ago
I vaguely recall that redundancy can improve availability, but I'm confused about how that applies here since we have two services instead of one.
KA
Katina
1 year ago
I think I practiced a similar question where the combined availability was calculated by multiplying the individual availabilities. So, option B seems plausible to me.
JO
Jolanda
1 year ago
I remember studying how to calculate combined availability, but I'm not sure if the dependencies between services affect it directly.
RE
Reena
1 year ago
Hmm, this seems like a tricky one. I'll need to think carefully about the different file types and how they're represented in the Master File Table.
GL
Glendora
1 year ago
Access control list sounds like the right answer here. Routers and firewalls use ACLs to determine packet forwarding and filtering.
JU
Julianna
1 year ago
I think the answer might be B, but I'm not entirely sure about the 'Freeze Transformations' term. I remember it was important for setting the zero position.
CH
Chauncey
1 year ago
Ah, this is a good one. I'll need to apply my knowledge of the TouchEvent object to choose the right properties.
VE
Velda
1 year ago
Hmm, I'm not sure about this one. I'll have to think it through carefully.
AL
Alyce
1 year ago
Who comes up with these cloud service scenarios anyway? It's like a game of 'pass the availability buck'!
CA
Carin
1 year ago
Frederic: Yeah, that makes sense. So, the combined availability would be lower than the individual availability of each service.
FR
Frederic
1 year ago
User 2: I think the availability decreases because of the dependency between Cloud Service A and Cloud Service B.
SE
Selma
1 year ago
User 1: I know, right? It's like a never-ending loop of dependencies.
AM
Ammie
1 year ago
I'm leaning towards Option D. It takes the dependency into account and provides a more realistic reduction in overall availability.
ME
Melissa
1 year ago
User 3: Option D seems like the most realistic choice in this scenario.
TO
Tomas
1 year ago
User 2: Yeah, I agree. It's important to take that into account when calculating the overall availability.
ST
Stephaine
1 year ago
User 1: I think Option D makes sense, considering the dependency between the cloud services.
PA
Pamella
1 year ago
Hmm, I'm not sure about Option C. While redundancy can increase availability, the question states that the guaranteed availability of each service is 95%, so I don't think a 97.75% combined availability is accurate.
IE
Iesha
1 year ago
I think Option A makes more sense, as it calculates the combined availability based on the individual availabilities of the services.
IL
Ilene
1 year ago
So, which option do you think accurately describes the actual availability?
CA
Catina
1 year ago
I agree, Option C doesn't seem to align with the information provided in the question.
JA
Jade
1 year ago
Option C seems to be incorrect because the guaranteed availability of each service is 95%.
CL
Clarence
1 year ago
User 4: I see your point, Clarence. Option B does make sense based on the scenario described.
CH
Chery
1 year ago
User 3: Yeah, Option C seems to overestimate the combined availability considering the guaranteed availability of each service.
GE
Geraldine
1 year ago
User 2: I agree, the math checks out for Option A.
BE
Benton
1 year ago
User 3: Option B seems more logical to me. Cloud Service A forming a dependency on Cloud Service B could decrease the availability.
JE
Jettie
1 year ago
User 2: I agree, the math checks out for Option A.
AL
Alex
1 year ago
User 1: I think Option A is correct because the combined availability increases with two separate cloud services.
BU
Buck
1 year ago
User 1: I think Option A is correct. The combined availability increases when processing through two separate cloud services.
EM
Emmanuel
2 years ago
Option B seems to make the most sense. When a service depends on another service, the overall availability is reduced due to the chained dependencies.
VI
Viva
1 year ago
User 2: I agree. Chained dependencies can definitely impact overall availability.
QU
Quentin
1 year ago
User 1: I think option B is correct. Dependencies can lower availability.
AL
Alysa
2 years ago
But C also makes sense, as there are redundant cloud service implementations.
MA
Malcom
2 years ago
I disagree, I believe the answer is B because there is a dependency formed.
AL
Alysa
2 years ago
I think the answer is A because the combined availability increases.