CISCO-200-901-Developing Applications and Automating Workflows using Cisco Core Platforms (DEVASC) Free Practice Test — 30 Questions
Exam Code: 200-901
30 questions · Full explanations · No account required

Question 1

Mr. Smith is a network engineer responsible for ensuring that all network devices in his organization are running the latest firmware. He wants to automate the process of checking for firmware updates and applying them if available. Which of the following tools would best assist Mr. Smith in achieving this task?

Accepted Answer

Jenkins

Question 2

Sarah is a DevOps engineer tasked with implementing a CI/CD pipeline for her company’s web application. Which of the following stages is NOT typically part of a CI/CD pipeline?

Accepted Answer

Debug

Question 3

Tom wants to set up a Jenkins job that will trigger a deployment automatically whenever there is a new commit in the Git repository. Which Jenkins feature should he use to achieve this?

Accepted Answer

Build Triggers

Question 4

In the context of Docker, what is the primary difference between a Docker image and a Docker container?

Accepted Answer

A Docker container is a running instance of a Docker image.

Question 5

Emily is configuring an automated alerting system to notify her team when specific network issues arise. Which protocol is commonly used for gathering network telemetry and facilitating this alerting system?

Accepted Answer

SNMP

Question 6

John is working on a CI/CD pipeline using GitLab CI. He needs to configure a pipeline that only runs tests on the \'development\' branch. Which part of the GitLab CI configuration should he modify?

Accepted Answer

only

Question 7

Which of the following is NOT a benefit of implementing CI/CD in a DevOps environment?

Accepted Answer

Increased deployment complexity

Question 8

Michael is using Docker to deploy a web application. He needs to ensure that the application can scale easily across multiple servers. Which Docker feature should he utilize?

Accepted Answer

Docker Swarm

Question 9

Lisa needs to update the configuration of a network device remotely. She wants to ensure the configuration is applied correctly and without manual intervention. Which method should she use?

Accepted Answer

Scripting with Python and Netmiko

Question 10

Mark is implementing a continuous deployment pipeline and wants to ensure that only tested and verified code reaches the production environment. Which stage of the CI/CD pipeline is crucial for this?

Accepted Answer

Test

Question 11

Maria is deploying a microservice application using Kubernetes. She wants to ensure that the application can recover from node failures without downtime. Which Kubernetes object should she use to achieve this?

Accepted Answer

ReplicaSet

Question 12

Alex wants to deploy a serverless application on AWS that automatically scales based on the number of requests it receives. Which AWS service should he use?

Accepted Answer

Lambda

Question 13

James is tasked with deploying a web application on Azure that needs to scale automatically with traffic and support continuous deployment from GitHub. Which Azure service should he choose?

Accepted Answer

Azure App Services

Question 14

Lisa is developing a web application on Google Cloud Platform and needs a managed service that allows her to deploy applications quickly without managing the underlying infrastructure. Which service should she choose?

Accepted Answer

Google App Engine

Question 15

Michael is developing a web application and needs to protect it from malicious user input. What is the primary technique he should implement?

Accepted Answer

Input validation and sanitization

Question 16

Sarah is securing her web application against SQL injection attacks. Which method should she primarily use?

Accepted Answer

Parameterized queries

Question 17

David is reviewing his web application\'s security. Which practice helps mitigate cross-site scripting (XSS) vulnerabilities?

Accepted Answer

Encoding user inputs before rendering in the browser

Question 18

Emma is setting up HTTPS for her website to ensure secure communication. Which component is essential for this setup?

Accepted Answer

SSL/TLS certificate

Question 19

Tom is responsible for managing SSL/TLS certificates for his company\'s website. What is a key practice he should follow to maintain security?

Accepted Answer

Regularly renewing certificates before they expire

Question 20

Jennifer is configuring infrastructure using Infrastructure as Code (IaC). She wants to ensure that her configuration always represents the desired state of her infrastructure. Which approach should she use?

Accepted Answer

Declarative

Question 21

Ms. Allen is responsible for deploying a network infrastructure using Terraform. She needs to ensure that the configurations are consistent across different environments (development, staging, and production). Which Terraform feature should Ms. Allen use to achieve this consistency?

Accepted Answer

Terraform Modules

Question 22

Mr. Johnson needs to automate the deployment of a web application across multiple servers using Ansible. He wants to ensure that the playbook is idempotent, meaning it can run multiple times without changing the result beyond the initial application of the configuration. Which Ansible module should he primarily use to achieve idempotency?

Accepted Answer

service

Question 23

Ms. Baker is managing the state of her infrastructure using Terraform. She needs to share the state file securely among team members to ensure they are working with the most current infrastructure state. Which approach should she take?

Accepted Answer

Use Terraform Cloud

Question 24

Why is version control critical for managing infrastructure as code?

Accepted Answer

It provides a way to track and revert changes

Question 25

Mr. Patel is considering implementing network programmability in his organization to improve efficiency. Which of the following is a primary benefit of network programmability?

Accepted Answer

Enhanced network flexibility and automation

Question 26

Ms. Lopez is using Nornir for her network automation tasks and wants to execute tasks concurrently on multiple devices. Which feature of Nornir should she leverage to achieve this?

Accepted Answer

Parallel execution

Question 27

Mr. Chen is writing a Python script to automate the configuration of network devices. He needs to establish a connection to a Cisco router. Which Python library should he use for this purpose?

Accepted Answer

netmiko

Question 28

Ms. Rivera is using Netmiko to connect to network devices. She encounters an issue where the connection to a Cisco switch fails due to an authentication error. Which Netmiko argument should she check and possibly correct?

Accepted Answer

username and password

Question 29

What is the main advantage of using Netmiko\'s send_command method with the use_textfsm=True parameter?

Accepted Answer

It automatically parses the command output

Question 30

Mr. Smith is configuring a script to regularly back up the configuration of a set of Cisco routers. He decides to use Netmiko for this task. Which Netmiko method should he use to retrieve the configuration?

Accepted Answer

send_command

CISCO-200-901-Developing Applications and Automating Workflows using Cisco Core Platforms (DEVASC) Free Practice Test — 30 Questions

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