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IBM C1000-189 Exam - Topic 6 Question 6 Discussion

Actual exam question for IBM's C1000-189 exam
Question #: 6
Topic #: 6
[All C1000-189 Questions]

What is mandatory to use Instana REST APIs?

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Suggested Answer: B

Access to Instana's REST API is secured using authorization tokens---an industry-standard best practice for API authentication and traceability. IBM documentation says: 'A personal or team API token is required to authenticate REST API calls.'

Tokens serve as credentials embedded in HTTP headers on each request, providing both identity and access control for the API consumer. Tokens are mandatory; without a valid token, any API requests are denied with a 401 Unauthorized error, regardless of whether a tool (such as CURL) is used. Tokens can be scoped for individual users (personal tokens) or teams (team tokens), enabling granular tracking and revocation as part of enterprise security policies. API tokens are generated from the Instana UI under the profile or team section. Cookies and raw client libraries (e.g., Python) are not authentication methods for Instana APIs.


by Pearline at Nov 20, 2025, 07:28 AM

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Tanesha
21 hours ago
Wait, are you sure you don't need a cookie too?
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Alise
6 days ago
Totally agree, a token is essential!
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Tricia
11 days ago
I thought Python was required for everything these days?
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Glendora
16 days ago
CURL is just one way to make requests, not mandatory!
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Cary
22 days ago
You definitely need a token to use the APIs.
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Vincent
27 days ago
B) Token, the secret handshake of the Instana API club.
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Lonny
1 month ago
Ah, the age-old question of how to access those elusive Instana REST APIs. I'll take a wild guess and say... a magic wand?
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Oretha
1 month ago
B) Token
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Kattie
1 month ago
I thought cookies were more for web sessions, so I don't think they are mandatory for Instana APIs, but I'm not completely sure.
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Gayla
2 months ago
I feel like CURL might just be one way to interact with the APIs, but I can't recall if it's strictly necessary.
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Lewis
2 months ago
I'm a bit stuck on this one. I know we need some kind of authentication, but I can't recall if it's a token, a cookie, or something else. I'll have to review my notes and try to remember the specifics of Instana's API authentication.
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Arlean
2 months ago
I'm pretty confident the answer is B) Token. From what I remember, Instana uses token-based authentication for their REST APIs, so you need to have a valid token to make requests.
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Flo
2 months ago
I remember practicing a question about REST APIs, and I think it mentioned that a token is required for access.
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Jutta
2 months ago
Okay, let's see. The question is asking what's mandatory to use the Instana REST APIs, so it's probably related to authentication. I'm guessing it's either a token or a cookie, but I'm leaning more towards a token since that's a common way to authenticate APIs.
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Lashon
2 months ago
I think you definitely need a token to authenticate when using the Instana REST APIs, but I'm not sure if CURL is mandatory.
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Gwen
3 months ago
B) Token is the way to go, unless you're feeling adventurous and want to try B) Carrier Pigeon.
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Dean
3 months ago
Agreed, without a token, no access!
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Murray
3 months ago
Hmm, I'm not sure about this one. I know we need some kind of authentication, but I can't remember if it's a token or a cookie. I'll have to think this through carefully.
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Dalene
3 months ago
I think the answer is B) Token. You need to have a valid authentication token to use the Instana REST APIs.
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