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Cisco 300-910 - Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS)

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Total 114 questions

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?

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.

What is a capability of node-level logging in Kubernetes?

A.

Using the Kubernetes JSON logging driver enables log persistence

B.

Output that is written to stdin is retrieved by using kubectl

C.

Output that is written to stderr is not logged or retrievable by using kubectl

D.

Using the local logging driver of Docker enables log persistence

Refer to the exhibit.

The exhibit shows the output of an Ansible task that prints the contents of the

show_ip_int_brief variable that was registered in a different task in the playbook.

Which expression is used to print the output of the command without its header row?

A.

show_ip_int_brief[‘stdout_lines’][0]

B.

show_ip_int_brief[‘stdout_lines’][1:]

C.

show_ip_int_brief[‘stdout_lines’][0][1:]

D.

show_ip_int_brief[‘stdout_lines’]

A developer has created a deployment that should launch a pod to run their database service. The pod should launch with a metadata name of “Cisco-DB," and the developer has added it to the "Cisco" namespace in their deployment.

Which Kubernetes command confirms that the service is running and usable?

A.

kubectl -n Cisco get services | grep “Cisco-DB”

B.

kubectl -n Cisco get pods | grep “Cisco-DB”

C.

kubectl get pods | grep “Cisco-DB”

D.

kubectl -n Cisco get service | grep “Cisco-DB”

A precheck validation is being designed for the network state in a Cl/CD pipeline This design requires:

• the CI/CD pipeline to spin up test instances.

• instances must be used to validate changes.

• changes must be validated prior to a continuous deployment workflow, and

• then push the changes to production

How should the pipeline target the required environment?

A.

Use separate CI servers for each environment

B.

Use different pipelines for each environment

C.

Use separate Git repositories for each environment

D.

Use different inventory files for each environment

Which two characteristics of a build tool that is used in an automated build pipeline? (Choose two.)

A.

It runs unit tests against code that is committed.

B.

It builds your software on the production environment.

C.

It builds your software when changes are committed.

D.

It builds your software every 500 milliseconds.

E.

It must have a plug-in for Puppet and Maven.

Refer to the exhibit.

The JSON object represents a single entry on a centralized log server, but log data cannot be processed because of the format.

What causes the issue?

A.

A hostgroup must be defined

B.

The “_type” must represent the process type

C.

The priority of the message must be to the server

D.

The process name in the message must be parsed into a field

Drag and drop the code snippets from the bottom onto the boxes in the code to complete the docker-compose y ml and the mdex.js files to enable network communication between the containers of a Redis instance and a Node js web application The application must be reachable on the host via port 4001 Not all options are used

Refer to the exhibit.

The push_configs.yml playbook returns the error shown.

Which action resolves the error?

A.

Install the Paramiko library on the host that runs Ansible

B.

Generate a new SSH key pair and add the public key to the target machine

C.

Export the ANSIBLE_HOST_KEY_CHECKING=False variable

D.

Comment out the StrictHostKeyChecking=yes line from ansible.cfg

A developer is nearing the end of a software development cycle and is ready to deploy the software. The customer wants to continue using a secure software development lifecycle methodology and must plan for postproduction components. Which two areas should be the developer address? (Choose two.)

A.

performing code reviews

B.

requirement gathering

C.

change management process

D.

new code scanning

E.

rollback plans