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IBM C1000-138 Exam - Topic 3 Question 8 Discussion

What is correct about using context variables in Gatewayscript policies?
A) context.set('my.vars.amount', 100) generates { 'my.vars': { 'amount': 100 } }
B) All API context variables are saved in an XML tree.
C) context.message.statuscode = '200 Success' updates the status code of the message object.
D) context. request. statuscode = 400 updates the status code of the request object.

IBM C1000-138 Exam - Topic 3 Question 8 Discussion

Actual exam question for IBM's C1000-138 exam
Question #: 8
Topic #: 3
[All C1000-138 Questions]

What is correct about using context variables in Gatewayscript policies?

Show Suggested Answer Hide Answer
Suggested Answer: A

Setting Context Variables: In Gatewayscript policies, thecontext.setfunction is used to set context variables. The syntaxcontext.set('my.vars.amount', 100)creates a JSON structure wheremy.varsis an object containing the keyamountwith the value100.

JSON Structure: This method of setting context variables generates a JSON structure, which is a common format for data interchange in APIs. The resulting structure would be{ 'my.vars': { 'amount': 100 } }.

Usage in Policies: This approach allows for easy manipulation and access to variables within the GatewayScript, facilitating dynamic API behavior based on the context.

Documentation Reference: According to the IBM Certified Solution Implementer - API Connect v10.0.3 documentation, usingcontext.setin this manner is the correct way to generate the specified JSON structure1.

1:IBM Certified Solution Implementer - API Connect v10.0.3 Documentation


by Kris at Sep 15, 2024, 09:52 AM

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Lazaro
8 months ago
C is definitely right, I've used that before!
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Ammie
8 months ago
Wait, does D really update the request status?
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Kerry
8 months ago
B seems off, not all vars are in XML.
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Kenneth
8 months ago
Totally agree with A!
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Stevie
9 months ago
A is correct, it creates a nested object.
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Reena
9 months ago
I’m a bit confused about option D; I thought the request object status code was updated differently.
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Rebecka
9 months ago
I practiced a question similar to option C, and I believe it does update the message status code correctly.
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Lucille
9 months ago
I remember something about context variables being stored in a tree, but I can't recall if it's specifically XML.
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Mendy
9 months ago
I think option A sounds familiar, but I'm not entirely sure if it generates that exact structure.
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Hassie
9 months ago
Alright, let me think this through step-by-step. Option A sounds right, since that's the syntax for setting a context variable. For the other options, I'll need to carefully consider how the context variables interact with the different objects in Gatewayscript.
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Mira
9 months ago
I'm a bit confused by this question. The context variables in Gatewayscript can be a bit tricky to remember. I'll need to review the documentation to make sure I understand the differences between the request and message objects.
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Donette
9 months ago
I've worked with context variables before, so I'm pretty confident about this one. I'm pretty sure option C is correct, since that's how you'd update the status code of the message object.
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Daniel
9 months ago
Okay, let's see. I think option A is correct, since that's how you'd set a context variable. But I'm not sure about the other options - I'll have to double-check the details on those.
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Joseph
9 months ago
Hmm, this looks like a tricky one. I'll need to carefully read through the options and think about how context variables work in Gatewayscript policies.
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Karl
2 years ago
I always get these context variable questions mixed up. Maybe I should just start guessing randomly.
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Ludivina
2 years ago
B) All API context variables are saved in an XML tree.
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Lisbeth
2 years ago
C) context.message.statuscode = '200 Success' updates the status code of the message object.
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Earnestine
2 years ago
A) context.set('my.vars.amount', 100) generates { my.vars: { amount: 100 } }
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Berry
2 years ago
Wait, so we can't use context.request.statuscode? That's going to make my life a lot harder.
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Hubert
2 years ago
C) context.message.statuscode = '200 Success' updates the status code of the message object.
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Lavonna
2 years ago
B) All API context variables are saved in an XML tree.
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Erinn
2 years ago
A) context.set('my.vars.amount', 100) generates { \'my.vars\': { \'amount\': 100 } }
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Michel
2 years ago
Hmm, that makes sense. I see your point now.
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Ciara
2 years ago
I disagree, I believe C) is correct because it updates the status code of the message object.
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Michel
2 years ago
I think A) is correct because it shows how to set a context variable.
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Felicitas
2 years ago
This exam question is a piece of cake! I could answer it in my sleep.
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Bulah
2 years ago
Option D is incorrect. The context.request.statuscode property does not exist, it should be context.message.statuscode.
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Nickole
2 years ago
Option D is incorrect. The context.request.statuscode property does not exist, it should be context.message.statuscode.
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Carin
2 years ago
C) context.message.statuscode = '200 Success' updates the status code of the message object.
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Trevor
2 years ago
B) All API context variables are saved in an XML tree.
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Angelo
2 years ago
A) context.set('my.vars.amount', 100) generates { \'my.vars\': { \'amount\': 100 } }
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Merlyn
2 years ago
Option C is the correct answer. The context.message.statuscode property allows you to update the status code of the message object.
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Carlee
2 years ago
A) context.set('my.vars.amount', 100) generates { \'my.vars\': { \'amount\': 100 } }
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Brandon
2 years ago
C) context.message.statuscode = '200 Success' updates the status code of the message object.
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Kanisha
2 years ago
Option A is also correct. The context.set() function allows you to set context variables as key-value pairs.
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