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Cisco 300-910 Dumps

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Total 114 questions
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Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS) Questions and Answers

Question 1

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?

Options:

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’]

Question 2

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

Question 3

Drag and drop the scenarios from the left onto the cloud strategy categories on the right.

Options:

Question 4

Which description of a canary deployment is true?

Options:

A.

deployment by accident

B.

deployment that is rolled back automatically after a configurable amount of minutes

C.

deployment relating to data mining development

D.

deployment to a limited set of servers or users

Question 5

Drag and drop the tools from the left onto the tool's function on the right. Not all options are used.

Options:

Question 6

A user wants to deploy a new service to a Kubernetes cluster. Which two commands accomplish this goal? (Choose two.)

Options:

A.

Apply

B.

Install

C.

Deploy

D.

Create

E.

Expose

Question 7

Refer to the exhibit.

A Python script implements a logger server. The log receives a message from Base that contains this text: TextMessage. How is the log formatted?

Options:

A.

Base Alter: TextMessage

B.

Undefined: TextMessageBase

C.

TextMessage -> Base

D.

TextMessage -> Alter Base

Question 8

Refer to the exhibit.

An organization has issues with code-based failures after implementing a CI/CD pipeline to automate the builds and deployment phases of an application.

Which action must be added to the pipeline, after the application is deployed in the staging environment to minimize failures and to ensure a successful continuous deployment?

Options:

A.

Restructuring and monitoring tests must be run after it is promoted to production

B.

Restructuring and monitoring tests must be run before it is promoted to production

C.

Functional and nonfunctional tests must be run after it is promoted to production

D.

Functional and nonfunctional tests must be run before it is promoted to production

Question 9

Refer to the exhibit.

How does the architecture respond to a usage spike?

Options:

A.

The monitoring software instructs the Orchestrator to increase the count of containers and to configure the load balancer accordingly

B.

The database prioritizes quick and immediate queries over complicated ones to reduce the request queue

C.

The Orchestrator increases the resources assigned to containers to increase performance

D.

The load balancer interacts with the Orchestrator to optimize the balancing algorithm to match the incoming flow of requests

Question 10

Refer to the exhibit.

An application for data storing and processing has been created. The application is time-sensitive and manages confidential data AppDynamics identifies error transactions within a distributed application.

Which action will help resolve the errors?

Options:

A.

Rewrite the SQL query identified in the transaction to be more efficient

B.

Log in to the node directly and investigate the errors by reviewing log files

C.

Drill down to investigate and identify the errors

D.

Scale out the node horizontally

Question 11

Which Docker command is used to start an interactive Bash shell in a running container named “test”?

Options:

A.

docker attach -it test /bin/bash

B.

docker run -it test /bin/bash

C.

docker exec -it test /bin/bash

D.

docker run test /bin/bash

Question 12

What are two benefits of Infrastructure as Code? (Choose two.)

Options:

A.

It enables continuous integration.

B.

It allows for management control.

C.

It ensures consistency.

D.

It improves application monitoring.

E.

It reduces risk.

Question 13

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

Options:

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.

Question 14

Drag and drop the steps in Gartner's public cloud cost management framework from the left into the order on the right.

Options:

Question 15

What are two testing scenarios of the chaos engineering principle? (Choose two.)

Options:

A.

maxing out CPU cores on an Elasticsearch cluster

B.

removing all users from a version control system

C.

executing routine in driver code to emulate I/O errors

D.

blocking developers’ building access

E.

unplugging a core switch device

Question 16

A DevOps engineer has built a container to host a web-server and it must run as an executable. Which command must be configured in a Dockerfile to accomplish this goal?

Options:

A.

ENTRYPOINT

B.

ENTRYPOINT [“/usr/sbin/apache2ctl”, “-D”, “FOREGROUND”]

C.

ENTRYPOINT [“BACKGROUND”, “-D”, “/usr/sbin/apache2ctl”]

D.

ENTRYPOINT {usr/sbin/apache2ctl}

Question 17

Which step must be taken to enable centralized logging in a Kubernetes environment?

Options:

A.

No steps need to be taken. The master node automatically aggregates logs from all worker nodes and stores them on the specified persistent volume.

B.

Create a CustomResourceDefinition in each deployment that specifies the IP or names the log collector.

C.

Deploy a sidecar node that aggregates logs from the entire cluster.

D.

Create a DaemonSet that deploys a container with a logging agent on every node in the cluster.

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Total 114 questions
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