Pass the Cisco Cisco Certified DevNet Professional 300-910 Questions and answers with CertsForce

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Viewing questions 11-20 out of questions
Questions # 11:

Which method is a safe way to provide a username/password combination to an application running as a service in a Docker container?

Options:

A.

encode the value with base64 in a secure DNS CTEXT entry


B.

as an environment variable in the Dockerfile


C.

Docker environment variable


D.

Docker secrets


Expert Solution
Questions # 12:

An application communicates with multiple third-party services that use API keys When stress testing the system, developers must change the URLs of the third-party services The application must run on port 5000. but the developers must be able to change the port at runtime if required Which configuration management approach simplifies the development workflow and reduces the configuration changes?

Options:

A.

secrets


B.

sane defaults


C.

application parameters


D.

config maps


Expert Solution
Questions # 13:

Drag and drop the code snippets from the bottom onto the boxes in the code in the Ansible playbook to restart multiple services in the correct sequence Not all options are used

Question # 13


Expert Solution
Questions # 14:

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?

Options:

A.

Check to make sure Nginx is running.


B.

Check for response times in Nginx logs.


C.

Check to make sure the web API response is coming back in JSON.


D.

Check the size of the database that the application is using.


Expert Solution
Questions # 15:

An application is being developed to be used by the HR department of a company on a global scale. The application will be used as a central repository for employee contracts. For user access, a RADIUS server will be used with authorized user groups.

Which action must be used to prevent developers from accidentally committing secrets in the code?

Options:

A.

Add a unit test to block the secrets


B.

Add a precommit Git hook to block the secrets


C.

Add dast to the repository to block the secrets


D.

Add a job in the CI build to block the secrets


Expert Solution
Questions # 16:

What is the purpose of using sysprep when developing a Microsoft Windows-based golden image process?

Options:

A.

prepares a new host to accept a hard drive image built on another machine


B.

removes all host-specific information and components from the local machine


C.

installs all the latest security patches and OS updates to the local machine


D.

writes the local hard drive image to an ISO file that can be deployed to another machine


Expert Solution
Questions # 17:

Refer to the exhibit.

Question # 17

Which CI solution uses this file?

Options:

A.

Drone


B.

GitLab CI


C.

Travis CI


D.

Jenkins


Expert Solution
Questions # 18:

A DevOps engineer must build a Docker image to containerize an application. Then the image must be pushed to a repository on Docker Hub in a CI/CD pipeline using GitHub Actions.

Which approach securely encrypts the Docker Hub access token as an environment variable within the CI/CD pipeline?

Options:

A.

Store the access token with GitHub environment variables


B.

Store the access token with GitHub encrypted secrets


C.

Store the access token in an environment file in the repository


D.

Hard code the access token in the repository with Base64 encoding


Expert Solution
Questions # 19:

Refer to the exhibit.

Question # 19

What are the properties of the load balancer in a Kubernetes environment?

Options:

A.

Has exposed ports 80 and 8080 to a private IP address and directs outgoing connections to the port named http-port1


B.

Has exposed ports 80 and 8080 to a public IP address and directs incoming connections to the port named nginx-port


C.

Forwards incoming traffic from the port named nginx-port to ports 80 and 8080 of nginxapp


D.

Forwards any outgoing traffic from the port named nginx-port to exposed ports http-port1 and http-port2 of nginxapp


Expert Solution
Questions # 20:

A DevOps engineer has built a new container and must open port 8080 for intercontainer communication. Which command must be added in a Dockerfile to accomplish this goal?

Options:

A.

EXPOSE 8080


B.

FIREWALL ADD-PORT 8080


C.

PORT 8080


D.

OPEN PORT 8080


Expert Solution
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