Developing Applications using Cisco Core Platforms and APIs (DEVCOR)
Last Update Apr 24, 2024
Total Questions : 363
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Refer to the exhibit.
An application is created to serve the needs of an enterprise. Slow performance now impacts certain API calls, and the application design lacks observability. Which two commands improve observability and provide an output that is similar to the sample output? (Choose two.)
A)
B)
C)
D)
E)
Refer to the exhibit. Drag and drop parts of the URL from the left onto the item numbers on the right that match the missing sections in the exhibit to create the appropriate RESTCONF URL to query the VLAN configuration given this YANG model. Not all URL parts are used.
A developer is creating a Python script to catch errors using REST API calls and to aid in debugging. Drag and drop the code from the bottom onto the box where the code is missing to implement control flow for REST API errors. Not all options are used.
Drag and drop the code from the bottom onto the box where the code is missing to retrieve and display wireless network hearth information. The wireless network devices are being managed by Cisco DNA Center and are compatible with REST API Not all options are used.
Drag and drop the code from the bottom onto the box where the code is missing to list objects that use the paginated Cisco FDM API. Some options may be used more than once. Not all options are used.
A developer is creating a Python script to analyze errors during REST API call operations. The script will be used with Cisco solution and devices. Drag and drop the code from the bottom to the box where the code is missing to implement control flow for handling unrecoverable REST API calls. Not all options are used.
Which two gRPC modes of model-driven telemetry are supported on Cisco IOS XE Software? (Choose two.)
What are two features of On-Box Python for hosting an application on a network device? (Choose two.)
The UCS Python SDK includes modules for Service Profile template creation. Which two UCS Service Profile template types are supported? (Choose two.)
A developer is designing a modem, distributed microservice enterprise application. The application will be integrating with other systems and focus on a large deployment, so control of API calls is necessary. What is the best practice to reduce application response latency and protect the application from excessive use?
Refer to the exhibit.
The Python script is supposed to make an API call to Cisco DNA Center querying a wireless profile for the “ChicagoCampus” and then parsing out its enable FlexConnect value. Drag and drop the parts of the Python code from the left onto the item numbers on the right that match the missing sections in the exhibit.
Refer to the exhibit. Which command resolves the merge conflict by removing the previous commit from the commit history?
Drag and drop the code from the bottom onto the box where the code is missing to construct a contact tracking application that dynamically returns all the Bluetooth clients on a given Meraki network. Not all options are used.
Refer to the exhibit.
Which set of API requests must be executed by a Webex Teams bot after receiving a webhook callback to process messages in a room and reply with a new message back to the same room?
A local data center deployment using Cisco NX-OS switches is scaling and requires automatic configuration at scale Configuration management must be set up for a Cisco NX-OS switch by using Ansible. The Ansible control server is currently located on a different subnet than the switch The solution has these requirements
• The transport protocol used must be encrypted
• The connections must originate from a server m the same local network
• Enable mode must be supported
Which connectivity method must be used?
Which transport layer protocol does gRPC use to retrieve telemetry information?
A Cisco Catalyst 9000 switch has guest shell enabled. Which Linux command installs a third-party application?
Refer to the exhibit above and click on the resource tabs in the top left corner to view resources to help with this question. Drag and drop the correct code snippets from the left onto the item numbers on the right that match the missing sections in the exhibit to complete the cURL script that will use RESTCONF to update an interface on a CISCO IOS XE device.
Refer to the exhibit.
Which additional line results in the output of Test 1 upon execution of the docker run --rm devnet 1 command in a Dockerfile with this content?
Refer to the exhibit.
A developer created a Python script to retrieve interface information for the devices in a MeraKi network environment. A security analyst has reviewed the code and observed poor secret storage practices. What is the appropriate password storage approach?
Drag and drop the code from the bottom onto the box where the code is missing in the Python code to complete the greeter function white also mitigating against XSS threats. Not all options are used.
A developer is creating a Python script to use the Webex Teams REST API to list joined spaces, and gracefully handle and print the errors it receives. Drag and drop the code snippets from the left onto the item numbers on the right that match the missing sections in the exhibit to complete the script.
Refer to the exhibit.
A network administrator copies SSL certificates to a Cisco NX-OS switch. An Ansible playbook is created to enable NX-API, which will use the new certificate. In the group_vars/vars.yml file, which code snippet must be used to define the properly formatted variables?
A)
B)
C)
D)
Refer to the exhibits. An interface named “GigabitEthernet2” has been configured on a Cisco IOS XE device. Using RESTCONF APIs as defined by the ietf-interfaces@2014-05-08.yang model, which two combinations of “rest_operation” and “payload” must be added to the Python script to set the “description” to “Configured by RESTCONF”? (Choose two.)
Refer to the exhibit.
Drag and drop the code from the bottom onto the box where the code is missing to construct a Python script that prints a message if the Cisco DNA Center wireless network health for a site is not greater than 90%. The information is collected from the wireless network devices using GET method of REST API. Not all options are used.
Refer to the exhibit.
What is the output of this IOS-XE configuration program?
What is the unique identifier in the 0Auth2 three-legged authorization code flow?
Which Puppet manifest needs to be used to configure an interface GigabitEthernet 0/1 on a Cisco IOS switch?
Refer to the exhibit.
Which line of code needs to be placed on the snippet where the code is missing to provide APl rate-limiting to the requests?
A developer deploys a SQLite database in a Docker container. Single-use secret keys are generated each time
a user accesses the database. The keys expire after 24 hours. Where should the keys be stored?
Refer to the exhibit.
A developer is creating a Python script to use the Webex Teams REST API to list joined spaces, retry after the server-specified amount of time if a “Too many requests” response is received, and print any other error that is received. Drag and drop the code snippets from the left onto the item numbers on the right that match the missing sections in the exhibit to complete the script. Not all code snippets are used.
A developer in a learn of distributed authors is working on code in an isolated Git branch named 'update4a2f5464771 The developer attempts to merge the new code with a branch named ’dvcapp2a3f1564733' however the merge operation encounters a conflict error during the process. Which Git command must the developer use to exit from the merge process and return the branch to the previous state?
Refer to the exhibit.
Which RESTCONF verb changes the GigabitEthernet2 interface from 192.168.100.1/24 to 10.10.10.1/24
Which database type should be used to store data received from model-driven telemetry?
Refer to the exhibit.
An Intersight API is being used to query RackUnit resources that have a tag keyword set to “Site”. What is the expected output of this command?
Refer to the exhibit. Drag and drop the code snippets from the left onto the item numbers on the right that match the missing sections in the curl exhibit to complete the cURL request to FirePower Device Manager API to create objects. Not all code snippets are used.
Refer to the exhibit. Which snippet creates a Webex Teams space and adds the users in the variable user list to that space?
A)
B)
C)
D)
A web application is susceptible to cross-site scripting. Which two methods allow this issue to be mitigated? (Choose two.)
Drag and drop the steps from the left into the order on the right to host a Docker-contained application on a Cisco Catalyst 9000 Series Switch.
Which data encoding format uses gRPC by default for serializing structured sets of information?
Refer to the exhibits which show the documentation associated with the create port object API cafl in Cisco Firepower Threat Defense, and a cURL command. Which data payload completes the cURL command to run the APi call?
A)
B)
C)
D)
A developer must containerize a Python application to integrate into a prebuilt CD environment by creating a Docker image. It will be hosted as a web application to enable end users from accessing it remotely. Drag and drop the code from the bottom onto the box where the code is missing in the Docker file Not all options are used.
Refer to the exhibit.
A developer must configure an SSL certificate for an nginx web server Which code must be added on the script to accomplish this configuration?
A)
B)
C)
D)
A new record-keeping application for employees to track customer orders must be deployed to a company's existing infrastructure. The host servers reside in a data center in a different country to where the majority of users work. The new network configuration for the database server is: •IP: 10.8.32.10
• Subnet Mask: 255.255.255.0
• Hostname: CustOrd423320458-Prod-010
• MAC: 18-46-AC-6F-F4-52.
The performance of the client-side application is a priority due to the high demand placed on it by employees. Which area should the team consider in terms of impact to application performance due to the planned deployment?
An engineer needs to configure an interface named GigabitEthernet3 with an IP address on several RESTCONF-enabled Cisco IOS XE devices. Which code snippet must be placed in the blank in the code to meet this requirement?
Refer to the exhibit.
Which action will complete the workflow that represents how an API call sends multiple messages?
Refer to the exhibit.
An engineer is configuring Ansible to run playbooks against Cisco IOS XE Software. What
should be configured in ansible.cfg as the connection type?
Refer to the exhibit.
The application follows a containerized microservices architecture that has one container per microservice. The microservices communicate with each other by using REST APIs The double-headed arrows m the diagram display chains of synchronous HTTP calls needed for a single use/request Which action ensures the resilience of the application in the scope of a single user request?