Free Cisco 300-910 Exam Actual Questions

The questions for 300-910 were last updated On Apr 21, 2025

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Question No. 1

Refer to the exhibit.

A docker-compose.yml file implements a postgres database container.

Which .gitlab-ci.yml code block checks the health status of the container and stops the pipeline if the container is unhealthy?

A)

B)

C)

D)

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Correct Answer: C

Question No. 2

A DevOps engineer is supporting a containerized application with multiple components running across the Kubernetes cluster. Metrics from the container (CPU and memory) and application (requests per second and heap size) are being collected by Prometheus and displayed with Grafan

a. Users report transaction timeout problems with the application, but the metric graphs all look within normal levels.

Which type of failure would prevent the engineer from seeing the problem using the captured metrics?

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Correct Answer: C

Question No. 3

ConfigMap keys have been mapped to different file names using the volumes.configMap.items field. What is the result if a wrong ConfigMap key is specified?

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Correct Answer: B

If a wrong ConfigMap key is specified, the volume will not be created since the ConfigMap key must match the name of the item specified in the volumes.configMap.items field.


Question No. 4

Which Dockerfile produces an efficient image rebuild when the exposed port Python dependency, or MyApp source code is modified?

A)

B)

C)

D)

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Correct Answer: B

Question No. 5

An end user is seeing long web page load times on the internal business application that they are trying to view. The user is seeing this issue across multiple web browsers, and other users encounter the same issue. Which action should the system administrator take to start looking for the cause of this issue?

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Correct Answer: B