100% Free Linux Foundation OTCA Practice Test Questions and Answers 2026

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Total 354 Questions | Updated On: May 21, 2026

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Question 1

In an ExponentialHistogram, how are negative values handled?

A : Negative values are mapped by their absolute value into a separate negative range using the same scale as the positive range.

B : Negative values are ignored and not represented in the histogram.

C : Negative values are stored in the same buckets as positive values but with negative counts.

D : Negative values are combined with positive values in a single range.

Answer: A

Question 2

Your telemetry data includes events within spans, and you need to rename the attribute 'db.session_id' to 'database.session_id' only for events within spans named 'checkout_service'. How should you configure the 'rename_attributes' transformation in the 'span_events' section of the schema file?

A : Use 'rename_attributes' in the 'span_events' section with 'apply_to_spans' set to ['checkout_service'].

B : Use 'rename_attributes' in the 'all' section with the attribute map.

C : Use 'rename_attributes' in the 'span_events' section with 'apply_to_events' set to ['checkout_service'].

D : Use 'rename_attributes' in the 'span_events' section without any conditional fields.

Answer: A

Question 3

You are configuring OpenTelemetry to transmit logs via a network protocol and want to include the full path to the log file. Which attribute should you add to your Log Record?

A : log.file.path

B : log.record.uid

C : log.file.name_resolved

D : log.file.name

Answer: A

Question 4

Which characteristic distinguishes the OpenTelemetry API from the SDK in terms of stability?

A : The API has more frequent updates compared to the SDK.

B : The SDK is more stable with less frequent updates compared to the API.

C : Both API and SDK have similar stability and update frequencies.

D : The API is more stable with less frequent updates compared to the SDK.

Answer: D

Question 5

Which of the following best describes how OpenTelemetry ensures uniform enrichment of logs, traces, and metrics?

A : By defining a common set of attribute names and values applied uniformly across all telemetry signals.

B : By enforcing that only logs are enriched with additional attributes.

C : By requiring applications to manually add the same attributes to logs, traces, and metrics.

D : By using separate enrichment processes for each telemetry signal.

Answer: A

Page: 1 / 71

Total 354 Questions | Updated On: May 21, 2026

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