350-901 Free Practice Test

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1. A. host_vars directory
2. B. home directory
3. C. group_vars directory
4. D. current working directory

Correct Answer: A

A container running a Python script is failing when it reaches the integration testing phase of the CI/CD process. The code has been reviewed thoroughly and the build process works on this container and all other containers pass unit and integration testing.
What should be verified to resolve the issue?

1. A. that the correct port is exposed in the Dockerfile
2. B. that the necessary modules and packages are installed on build
3. C. that the script is running from the night directory
4. D. that the Python version of the container image is correct

Correct Answer: B

An organization manages a large cloud-deployed application that employs a microservices architecture. No notable issues occur with downtime because the services of this application are redundantly deployed over three or more data center regions. However, several times a week reports are received about application slowness. The container orchestration logs show faults in a variety of containers that cause them to fail and then spin up brand new.
Which action must be taken to improve the resiliency design of the application while maintaining current scale?

1. A. Update the base image of the containers.
2. B. Test the execution of the application with another cloud services platform.
3. C. Increase the number of containers running per service.
4. D. Add consistent “try/catch(exception)” clauses to the code.

Correct Answer: D

Where should distributed load balancing occur in a horizontally scalable architecture?

1. A. firewall-side/policy load balancing
2. B. network-side/central load balancing
3. C. service-side/remote load balancing
4. D. client-side/local load balancing

Correct Answer: B

How should a web application be designed to work on a platform where up to 1000 requests per second can be served?

1. A. Use algorithms like random early detection to deny excessive requests.
2. B. Set a per-user limit (for example, 5 requests/minute/user) and deny the requests from the users who have reached the limit.
3. C. Only 1000 user connections are allowed; further connections are denied so that all connected users can be served.
4. D. All requests are saved and processed one by one so that all users can be served eventually.

Correct Answer: D