What are two advantages of the Model-View-Controller software design pattern? (Choose two.)

allows for multiple views of the same model

separates responsibilities of the code, which makes future modifications easier

makes code easier to deploy using CI/CD pipelines

reduces the need for error handling

What is a procedural component of CI/CD pipelines?

Bundled artifacts must be generated.

Every test must pass for the pipeline to continue its execution

Some tests fall without stopping the pipeline execution.

The release label that identifies the build is optional.

What is a benefit of a distributed version control system?

allows users to work on the codebase even when not connected to the Internet

encourages users to commit small places of work to the system more frequently

ensures that all code meets minimum standards before being committed to the system

ensures that all code is tested before being committed to the system

What is the purpose of the Cisco VIRL software tool?

to verify configurations against compliance standards

to test performance of an application

What is a benefit of using a code review process in application development?

eliminates common mistakes during development

accelerates the deployment of new features in an existing application

provides version control during code development

enables the quick deployment of new code

A developer has created a new image to use in a Docker build and has added a tag for the image by using the command:$ docker tag 84fe411926287 local/app:0.4Which command must be executed next to build the Docker image using the tag?

$ docker build -t local/app:0.4

$ docker build -p local/app:0.4

A developer created a new secure API and is testing the functionality locally. The API was added to a container for further testing, and other team members and applications need to connect to the API. Which command exposes the API in the container as port 8443 and allows connections external to the host?

docker run -p 0.0.0.0:8443:443/tcp myapiservice

docker run -p 127.0.0.1:80:8443/tcp myapiservice

docker run -p 0.0.0.0:443:8443/tcp myapiservice

docker run -p 127.0.0.1:443:8443/tcp myapiservice

Refer to the exhibit. Which command, including arguments, is executed when the container starts?

/bin/sh -c "/bin/sleep 30 && nginx -g 'daemon off;'"

/bin/sh -c "/bin/sleep 10 && nginx -g 'daemon off;'"

/bin/bash -c "/bin/sleep 30 && nginx -g 'daemon off;'"

/bin/sh -c "/bin/sleep 30" && nginx -g 'daemon off;'

What are two roles of an artifact repository in a CI/CD pipeline? (Choose two.)

stores files needed and generated during the build process

provides traceable, searchable, and manageable binary files

is required for CI/CD pipelines executed on a public cloud infrastructure

allows for comparing and merging changes in the source code

is required for managing open source software

What should a CI/CD pipeline aim to achieve?

to require minimal manual interaction

to allow manual testing before deployment

to support new deployments on a fixed monthly schedule

to provide a documented process for feedback Hide Solution Discussion 8

What is the benefit of edge computing?

It reduces network latency by moving processing closer to the data source.

It reduces data velocity from devices or other data sources.

It simplifies security as devices and processing are brought closer together.

It removes the need for centralized data processing.

What is a benefit of using edge computing in an IoT implementation?

. high availability for network components

FILL BLANK -Fill in the blanks to complete the Bash script in which each file in a directory is renamed to its SHA256 hash?TARGET_DIR=/usr/local/certs -for f in '__________ __________'; do__________ $f' openssl sha -sha256 -r < $f | cut -f1 -cl' ''

TARGET_DIR=/usr/local/certs -for f in '/usr/local/certs'; doecho $f' openssl sha -sha256 -r < $f | cut -f1 -cl' ''

What is the action of the Bash script that is shown?

The script waits until input is entered. If the directory exists, the script goes into it until there is no directory with the same name, then it creates a new directory.

For all directories in the current folder, the script goes into the directory and makes a new directory.

The script waits until input is entered, then it goes into the directory entered and creates a new directory with the same name.

The script goes into the directory called ג€$ndirג€ and makes a new directory called ג€$ndirג€.

What are two characteristics of Bare Metal environments that are related to application deployment? (Choose two.)

provides workloads with access to hardware features

provides the hypervisor to host virtual servers

specifically designed for container-based workloads

suitable for legacy applications that do not support virtualization

not compatible with other cloud services such as PaaS or SaaS offerings

Which two elements are foundational principles of DevOps? (Choose two.)

organizing cross-functional teams over organizational silos

optimizing the cost of infrastructures

designing applications as microservices

encouraging containers for the deployment of applications

Which function does the EXPOSE line perform when building an image from this Dockerfile?

Local port 8080 is accessible from other containers running on the same docker host as the container that launched with this docker image.

Local port 8080 of the container that launched with this docker image is accessible from co-hosted containers and external clients.

Local port 8080 is not reachable at all because no IP address is specified along with the EXPOSE command of the Dockerfile.

Local port 8080 of the container that launched with this docker image is accessible to external clients.

A local Docker alpine image has been created with an image ID of a391665405fe and tagged as `latest`. Which command creates a running container based on the tagged image, with the container port 8080 bound to port 80 on the host?

docker run -p 8080:80 alpine:latest

docker build -p 8080:80 alpine:latest

docker exec -p 8080:80 alpine:latest

docker start -p 8080:80 alpine:latest

What are two security benefits of a Docker-based application? (Choose two.)

. easier to patch because Docker containers include only dependencies that the application requires

allows for separation of applications that traditionally run on the same host

natively secures access to secrets that are used by the running application

guarantees container images are secured and free of vulnerabilities

prevents information leakage occurring when unhandled exceptions are returned in HTTP responses

Refer to the exhibit.A process running on the host wants to access the service running inside this Docker container. Which port or ports are used to make a connection?

only outbound connections between 3000 and 5000 are possible

What is a characteristic of the Cisco Finesse platform?

Applications are added to the platform from the desktop remotely.

Applications allow services to be invoked on a network triggered event.

The platform provides a ready-to-go platform for HD video and audio conferencing

The platform includes an enterprise-class IM engine.

Refer to the exhibit. A network engineer wants to use an API to update information about device interfaces. The network devices are deployed in a Cisco DevNetSandbox and have running interfaces. Which line of code needs to be placed in the snippet where the code is missing?

{'Content-Type': 'application/yang.data+xml', 'Accept': 'application/yang.data+xml'}

{'Content-Type': 'application/yang.data+yaml', 'Accept': 'application/yang.data+yaml'}

{'Content-Type': 'application/restconf.data+json', 'Accept': 'application/restconf.data+json'}

{'Content-Type': 'application/yang.data+utf8', 'Accept': 'application/restconf.data+utf8'}

Refer to the exhibit. A network engineer works on a Cisco DevNet application that is available for download on the Cisco DevNet website. The engineer prepares a bash script to automate operations that relate to the application. Which workflow is being automated in the bash script?

compilation, installation, and configuration of the Cisco DevNet application so that it starts automatically

compilation and configuration of the Cisco DevNet application so that it must be started manually

compilation and installation of the Cisco DevNet application for an autonomous deployment model

installation and configuration of the Cisco DevNet application so that it starts manually

Refer to the exhibit. A developer creates a script to obtain a list of devices by using the Cisco DNA Center API. The remote server authorizes the request only if an authentication token is supplied in the headers. A function named get_auth_token() must retrieve a valid token by using HTTP Basic Authentication. Which code must be added to complete the get_auth_token() function?

. resp = requests.post (url, auth=HTTPBasicAuth(DNAC_USER, DNAC_PASSWORD)) token = resp.json()['Token'] return token

resp = requests.post (url, auth=(DNAC_USER, DNAC_PASSWORD)) token = resp.json ()['Token'] return token

resp = http.post (url, auth=HTTPBasicAuth(DNAC_USER, DNAC_PASSWORD)) token = resp.json()['Token'] return token

resp = http.post (url, auth=(DNAC_USER, DNAC_PASSWORD)) token = resp.json()['Token'] return token

Refer to the exhibit. A network engineer uses model-driven programmability to monitor and perform changes on the network. The network engineer decides to use the NETCONF RPC message to complete one of their tasks. What is accomplished by sending the RPC message?

The running-config of the device is returned.

The name of each interface is reset to a default name.

All the YANG capabilities supported by the device are returned.

A list of interface names is returned.

What is a capability of the NETCONF protocol?

allows XML messages to be exchanged via the SSH protocol

. allows Python scripts to be executed externally from a network device

uses JSON to encode data in its content layer

Refer to the exhibit. Which line must be included in the Bash script for the Python code to succeed?

export WEBEX_TEAMS_ACCESS_TOKEN=your_access_token_here

define WEBEX_TEAMS_ACCESS_TOKEN=your_access_token_here

set WEBEX_TEAMS_ACCESS_TOKEN=your_access_token_here

WEBEX_TEAMS_ACCESS_TOKEN=your_access_token_here

DEVNET 100-200

Authored by мадияр алимов

Mathematics

1st Grade

Used 3+ times

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Content View

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100 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Refer to the exhibit. A developer just finished testing a Python script and wants to save the list of packages and versions installed on the current machine. The developer must make sure that it will not cause any issues if tested on another device due to different library versions. Which line of code needs to be placed on the snippet where the code is missing?

pip freeze 2> requirements.txt

pip freeze > requirements.txt

pip freeze => requirements.txt

pip freeze | requirements.txt

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which infrastructure automation method is shown?

. CI/CD pipeline

Lean

Agile

Waterfall

MULTIPLE SELECT QUESTION

45 sec • 1 pt

What are two advantages of YANG-based approaches for infrastructure automation? (Choose two.)

multi-platform vendor abstraction

compiles to executables that run on network devices

designed to reflect networking concepts

directly maps to JavaScript

command line driven interface

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An automation script fails to connect to an internal server exactly 1 out of 2 times it is executed. This behavior is seen from different clients. Which networking device must be at fault?

. load balancer

. laptop on which the script is running

switch

router

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which CI/CD tool is an automation tool used to build, test, and deploy software?

Git

Gradle

Nagios

Jenkins

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is represented in this YANG module?

interface management

BGP

OpenFlow

topology

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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DEVNET 100-200

Which infrastructure automation method is shown?

What are two advantages of YANG-based approaches for infrastructure automation? (Choose two.)

An automation script fails to connect to an internal server exactly 1 out of 2 times it is executed. This behavior is seen from different clients. Which networking device must be at fault?

Which CI/CD tool is an automation tool used to build, test, and deploy software?

What is represented in this YANG module?

What are two advantages of the Model-View-Controller software design pattern? (Choose two.)

Which product provides network controller-level management features?

Which OWASP threat occurs when untrusted data is supplied as input to an interpreter as part of a command or query?

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