Why is refactoring done during test-driven development?

to improve maintainability and readability

to enable larger objects and longer methods

to improve maintainability and readability

to ensure that the previous uses of the objects are explained

to ensure the duplication of essential code

Refer to the exhibit. A network engineer must change the configuration on devices daily. The Python script must collect CLI arguments from the user, organize data according to the Cisco-IOS-XE-native YANG model, and utilize Cisco REST APIs to make the configuration. Which workflow is being automated by the Python script?

updating an existing route on the device

including a route on the device and overwriting the current routes

deleting the route that is passed through the command-line variables

Refer to the exhibit. A developer wants to create a room named cisco through Webex API. The developer prepares the request by putting an API token inside the authorization header; however, the given HTTP call returns error code 400. How must the call parameters be changed to ensure a valid response?

Replace the team body parameter with the name body parameter.

Replace cisco with a valid name for a team.

Change the token in the header with the authorization token.

Change the HTTP method of the call to PUT.

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

export 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

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

allows XML messages to be exchanged via the SSH protocol

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.

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

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

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

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. 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;'

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 0.0.0.0:8443:443/tcp myapiservice

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

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

$ docker build -t local/app:0.4

What is a capability of an agentless configuration management system?

It uses existing protocols to interface with the managed host.

It requires managed hosts to have an interpreter for a high-level language such as Python or Ruby.

It requires managed hosts to connect to a centralized host to receive updated configurations.

It uses compiled languages as the basis of the domain-specific language to interface with managed hosts.

It uses existing protocols to interface with the managed host.

Refer to the exhibit. A network engineer wants to automate the port enable/disable process on specific Cisco switches. The engineer creates a script to send a request through RESTCONF and uses ietf as the YANG model and JSON as payload.Which command enables an interface named Loopback1?

def enable_function(Loopback1, true, ‘iana-if-type:softwareLoopback’)

enable_function(Loopback1, true, ‘iana-if-type:softwareLoopback’)

enable_function(‘iana-if-type:softwareLoopback’, Loopback1, true,)

def enable_function(‘iana-if-type:softwareLoopback’, Loopback1, false,)

def enable_function(Loopback1, true, ‘iana-if-type:softwareLoopback’)

Refer to the exhibit. A developer must check packages on web load balancers that use nginx packages. The developer updates the servers as required in Ansible inventory and prepares an Ansible playbook to automate this workflow on related servers. Which process is being automated by the Ansible playbook?

verifying, without installing, that apache2 is unavailable and that nginx is installed, and then updating the repository to the latest version

verifying that nginx is installed only if apache2 is unavailable on the system, and then updating all the other packages

verifying, without installing, that apache2 is unavailable and that nginx is installed, and then updating the repository to the latest version

uninstalling the apache2 server, installing the nginx server, and then updating all the packages to the latest version

installing nginx, uninstalling apache2, and then verifying that the package repository is at the latest version

Refer to the exhibit. An engineer must check the admin rights of users on a database regularly and prepares the Python script to automate the process. The script connects to the database and runs a query. What is a security issue about the secrets in the code that relates to secret protection?

They must be stored in configuration files if no authentication will be used.

They must be stored in configuration files if there is a possibility of leakage.

They must be Base64-encoded if stored in the user database.

They must be encrypted if stored in the user database.

They must be stored in configuration files if no authentication will be used.

Refer to the exhibit. A network engineer must collect information from the network using Cisco DNA Center APIs. The script must query for the devices with 'platformId' 'C9540-x' and then send commands to be executed. Which process is automated by the Python script?

output of show ip int brief command on devices of type C9500-40X

results gathering of the show version and show ip int brief commands

output of show ip int brief command on devices of type C9500-40X

execution information of the show version and show ip int brief commands

list of executed commands on C9500-40X and the information of show ip int brief command

Refer to the exhibit. What do all the calls shown in the sequence diagram have in common?

All the calls depend on the catalog.

All the calls are optional. the calls are asynchronous.

All the calls depend on the catalog.

What are two properties of private IP addresses? (Choose two.)

They are more secure than public IP addresses.

They can be repeated within the same local network.

They can be used to access the Internet directly.

They are more secure than public IP addresses.

They can be repeated within the same local network.

They are controlled globally by an IP address registry.

What is a benefit of version control?

keeps track of all changes to the files

prevents two users from working on the same file

keeps track of all changes to the files

keeps the list of data types used in the files

Cisco 200-901 Practice Test 6 - Free Online Exam Prep & Questions

Refer to the exhibit.

Cisco 200-901 image Question 201 110676 10072024004843000000

An engineer writes a Python script that uses two different API calls to query Cisco DNA Center for the number of interfaces on a device. The engineer notices that the two API calls produce different results. Why are fewer interfaces returned for the same device when the 'get_all_interfaces' API call is used?

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Cisco 200-901 Practice Test 6

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