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?

Acontext.set('my.vars.amount', 100) generates { 'my.vars': { 'amount': 100 } }

BAll API context variables are saved in an XML tree.

Ccontext.message.statuscode = '200 Success' updates the status code of the message object.

Dcontext. request. statuscode = 400 updates the status code of the request object.

Show Suggested 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

3 months ago

C is definitely right, I've used that before!

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Ammie

3 months ago

Wait, does D really update the request status?

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Kerry

3 months ago

B seems off, not all vars are in XML.

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Kenneth

4 months ago

Totally agree with A!

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Stevie

4 months ago

A is correct, it creates a nested object.

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Reena

4 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

4 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

4 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

5 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

5 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

5 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

5 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

5 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

5 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

1 year ago

I always get these context variable questions mixed up. Maybe I should just start guessing randomly.

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Ludivina

1 year ago

B) All API context variables are saved in an XML tree.

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Lisbeth

1 year ago

C) context.message.statuscode = '200 Success' updates the status code of the message object.

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Earnestine

1 year ago

A) context.set('my.vars.amount', 100) generates { my.vars: { amount: 100 } }

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Berry

1 year 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

1 year ago

C) context.message.statuscode = '200 Success' updates the status code of the message object.

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Lavonna

1 year ago

B) All API context variables are saved in an XML tree.

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Erinn

1 year ago

A) context.set('my.vars.amount', 100) generates { \'my.vars\': { \'amount\': 100 } }

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Michel

1 year ago

Hmm, that makes sense. I see your point now.

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Ciara

1 year ago

I disagree, I believe C) is correct because it updates the status code of the message object.

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Michel

1 year ago

I think A) is correct because it shows how to set a context variable.

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Felicitas

1 year ago

This exam question is a piece of cake! I could answer it in my sleep.

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Bulah

1 year ago

Option D is incorrect. The context.request.statuscode property does not exist, it should be context.message.statuscode.

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Nickole

1 year ago

Option D is incorrect. The context.request.statuscode property does not exist, it should be context.message.statuscode.

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Carin

1 year ago

C) context.message.statuscode = '200 Success' updates the status code of the message object.

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Trevor

1 year ago

B) All API context variables are saved in an XML tree.

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Angelo

1 year ago

A) context.set('my.vars.amount', 100) generates { \'my.vars\': { \'amount\': 100 } }

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Merlyn

1 year 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

1 year ago

A) context.set('my.vars.amount', 100) generates { \'my.vars\': { \'amount\': 100 } }

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Brandon

1 year ago

C) context.message.statuscode = '200 Success' updates the status code of the message object.

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Kanisha

1 year ago

Option A is also correct. The context.set() function allows you to set context variables as key-value pairs.

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