Exam MCPA - Level 1 topic 1 question 12 discussion

Actual exam question from Mulesoft's MCPA - Level 1

Question #: 12
Topic #: 1

When designing an upstream API and its implementation, the development team has been advised to NOT set timeouts when invoking a downstream API, because that downstream API has no SLA that can be relied upon. This is the only downstream API dependency of that upstream API.
Assume the downstream API runs uninterrupted without crashing.
What is the impact of this advice?

A. An SLA for the upstream API CANNOT be provided.
B. The invocation of the downstream API will run to completion without timing out.
C. A default timeout of 500 ms will automatically be applied by the Mule runtime in which the upstream API implementation executes.
D. A load-dependent timeout of less than 1000 ms will be applied by the Mule runtime in which the downstream API implementation executes.

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Suggested Answer: A 🗳️

by thirstylion at May 2, 2021, 1:06 a.m.

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calazans

2 weeks, 2 days ago

Selected Answer: A

A. An SLA for the upstream API CANNOT be provided.

upvoted 3 times

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AB317

11 months ago

Answer: A

upvoted 2 times

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Pavan_Nagineni

11 months, 1 week ago

A. An SLA for the upstream API CANNOT be provided.

upvoted 4 times

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thirstylion

1 year, 1 month ago

Answer: A. A upstream API cannot wait on the downstream API longer than its SLA. If upstream response SLA is 500 ms, then it cannot wait longer than 500 ms for a response from downstream system.

upvoted 1 times

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