350-901 Dumps Help You Study Objectives

1. Refer to the exhibit.





A Python script has these requirements

• Retrieve a list of Bluetooth clients seen by the access pants on a network.

• Print the content of the response

• Retrieve the next page only if it is available in the response headers

What must be added where the code is missing to get the remaining pages by using the next link from the link response header of the last request?

A)





B)





C)





D)

2. DRAG DROP

Refer to the exhibit.













Refer to the exhibit above and click on the resource tabs in the top left corner to view resources to help with this question. Python code that uses the UCS Python SDK is instantiating a service profile named ''devcore-server-01'' from service profile template ''device-template'' , then associating the service profile instance to blade 3 in chassis 7.

Drag and drop the code snippets from the left onto the item numbers on the right that match the missing sections in the Python exhibit.

3. DRAG DROP

Drag and drop the components from the left into the order on the right to create the flow of the three-legged OAuth2.

4. When an application is designed that requires high availability, what is a reason to use a cross-region cloud?

5. What are two methods for sending bearer access tokens in resource requests to servers? (Choose two,)

6. How is client code that consumes gRPC telemetry implemented, assuming that the preferred language is able to be chosen?

7. While working with the Webex Teams API, on an application that uses end-to-end encryption, a webhook has been received.

What must be considered to read the message?

8. Refer to the exhibit.





Which action resolves the error for the GitLab CI/CD pipeline execution?

9. Which kind of API that is used with Cisco DNA Center provisions SSIDs, QoS policies, and update software versions on switches?

10. An engineer creates an application that manages the parsing and analysis of data. The data is continuously generated in bursts and is disrupting the performance of the application by overloading the provided resources. The engineer wants to implement rate limiting on the receiving endpoint to ensure that a minimum data sample from every timeframe is parsed and that no more than a specific number of requests are processed each time.

Which rate limiting algorithm must the engineer use?

11. Refer to the exhibit.





An engineer is implementing the response for unrecoverable REST API errors.

Which message needs to be placed on the snippet where the code is missing to complete the print statement?

12. DRAG DROP

Refer to the exhibit.













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.

13. A company uses an API to share sensitive customer data with third-party partners.

To ensure the security of this data, how should end-to-end encryption be applied?

14. Which risk is there to data privacy during the storage and transmission of data?

15. What is submitted when an SSL certificate is requested?

16. Refer to the exhibit.





An engineer must add a new loopback interface with a RESTCONF request on a Cisco IOS XE device.

Which code snippet must be placed onto the blank in the body of the code to complete the request?

A)





B)





C)





D)

17. 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?

18. An engineer developed an application to be used as a file server using Python. The application was placed in a Kubernetes pod and must be accessible from outside the network utilizing an HTTPS service.

Which command must be used to enable the required access?

A)





B)





C)





D)

19. DRAG DROP

Drag and drop the expressions from below onto the code to implement error handling. Not all options are used.

20. DRAG DROP

Refer to the exhibit.





Python threading allows a developer to have different parts of a program run concurrently and simplify a design.

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 create a thread instance.

21. Refer to the exhibit.





Recently, users have reported problems logging into an application with their usernames and passwords. The logs have captured an authentication attempt.

Based on the messages and errors contained, what is the cause of the problem?

22. Refer to the exhibit.





The Dockerfile is placed in the current working directory.

Which command builds an image named application:1.0.0 that contains application-1.0.0.jar and also includes any updates to the parent image?

23. User report that they can no longer process transactions with the online ordering application, and the logging dashboard is displaying these messages.

Fri Jan 10 19:37:31.123 EST 2020 [FRONTEND] INFO: Incoming request to add item to cart from user 45834534858

Fri Jan 10 19:37:31 247 EST 2020 [BACKEND] INFO: Attempting to add item to cart

Fri Jan 10 19:37:31 250 EST 2020 [BACKEND] ERROR: Failed to add item: MYSQLDB

ERROR: Connection refused

What is causing the problem seen in these log messages?

24. A developer has issued git add file1 and file2 test.py command to add the three files for the next commit, but then decides to executed test.py from this command.

Which command needs to be used to exclude test.py from this commit but keep the rest of the files?

25. DRAG DROP

Drag and drop the code snippets from the bottom onto the blanks in the cURL script that uses RESTCONF to update an interface on a Cisco IOS XE device. Not all options are used.

26. 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?

27. DRAG DROP

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 exhibit to complete the script to implement control flow.

28. Which snippet presents the correct API call to configure, secure, and enable an SSID using the Meraki API?

A)





B)





C)





D)

29. DRAG DROP

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 exhibit to complete the script to implement control flow.

30. Which approach is used to protect East-West API traffic?

31. Which two types of storage are supported for app hosting on a Cisco Catalyst 9000 Series Switch? (Choose two.)

32. What is the unique identifier in the 0Auth2 three-legged authorization code flow?

33. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing in the Python code to query for user permissions while mitigating against SQL Injection Not all options are used.

34. Refer to the exhibit.





A developer creates a route by using the Python Flask framework to return information about a network router. Penetration testers can extract sensitive information from the route by using specialty crafted values in the URL.

Which action will mitigate this vulnerability?

35. A local Docker container with a Container ID of 391441516e7a is running a Python application.

Which command is used to connect to a bash shell in the running container?

36. An engineer is managing the development of an application hosted in the Python Django framework. A remote database for state deposition and containerized microservices are used for the application logic.

Which two monitoring solutions enable the application observability to assist with troubleshooting and debugging? (Choose two.)

37. A developer releases a new application for network automation of Cisco devices deployed m a local data center. The application utilizes complex design patterns such as microservices that host multiple third-party libraries and programming languages. The development must be simplified by implementing an observability-driven development lifecycle.

Which two considerations must be taken to meet the requirements? (Choose two.)

38. A team of developers created their own CA and started signing certificates for all of their loT devices.

Which action will make the browser accept these certificates?

39. A development team is working on a bug fix in a remote branch named "UXbug000222134' and the current working primary branch is named ,prod409024967’ A developer who just joined the learn needs to checkout the remote branch.

Which Git commands must be used?

A)





B)





C)





D)

40. What are two features of On-Box Python for hosting an application on a network device? (Choose two.)

41. DRAG DROP

An engineer has created an NGINX web server. The server will be accessible from outside the organization. A public-key certificate must be installed before external access is allowed.

Drag and drop the steps from the left into the order on the right to configure the certificate. Not all options are used

42. A developer must deploy a containerized application foe network device inventory management. The developer sets up a Kubernetes duster on two separate hypervisors. The SLA is not currently meeting a specified maximum value for network latencyjitter CPU/memory and disk I/O are functioning property.

Which two design approaches resolve the issue'' (Choose two.)

43. What is a capability of the End User Monitoring feature of the AppDynamics platform?

44. Refer to the exhibit.





An application's REST API GET call is tested to the inventory database.

Which missing code must be included to limit the number of values that are returned from the query to 20?

45. DRAG DROP

Refer to the exhibit.





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 that consumes REST API pagination.

46. DRAG DROP

Drag and drop the steps from the left into the order on the right to create the workflow to retrieve the gateway information from a set of Cisco IOS devices. Not all options are used.

47. Refer to the exhibit.





The presented application consists of a Nginx container and a load balancer service.

Which GitLab CI/CD configuration implements the Kubernetes deployment?

48. DRAG DROP

A Python application is being written to run inside a Cisco IOS XE device to assist with gathering telemetry data.

Drag and drop the elements of the stack from the left onto the functions on the right to collect and display the telemetry streaming data.

49. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing in the Python script to display the error message to the user. The script uses Python to connect to Cisco DNA Center and provides details if the connection fails. Not all options are used.

50. On a Cisco Catalyst 9300 Series Switch, the guest shell is being used to create a service within a container.

Which change is needed to allow the service to have external access?

51. Refer to the exhibit.





A software engineer develops an application that has a microservices architecture. The microservices must communicate with an API. The engineer creates a Dockerfile for the application and deploys the file to a pre-production environment. After the first API request, a microservice stops and the engineer discovers an error in the log file.

What is the cause of this issue?

52. Refer to the exhibit.





A kubeconfig file to manage access to clusters is provided.

How many clusters are defined and which of them are accessed using username/password authentication versus certificate?

53. DRAG DROP

Drag and drop the code snippets from the bottom onto the boxes where the code is missing to complete the API call to implement error handling Not all options are used.

54. A developer IS deploying an action to automate the configuration and management of Cisco network switches and routers. The application must use REST API interlace to achieve programmability. The security team mandates that the network must be protected against DDoS attacks.

What mitigates the attacks without impacting genuine requests?

55. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing to create a Puppet manifest that implements an NTP configuration when applied to a device in the master inventory. Not all options are used.

56. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing to stop the REST API requests if a 'Too Many Requests" response is received Not all options are used.

57. Refer to the exhibit.





Which parameter is missing from the JSON response to confirm the API version that is used?

58. DRAG DROP

Drag and drop the coda snippets from the bottom onto the blanks in the code to implement error handling for an application that will attempt to call a REST API. In the event of an error, the script must back off for 10 seconds before trying again, adding an extra 10 seconds to the backoff period for every failure that occurs. Not all options are used.

59. A company is starting a machine-learning project to analyze employee information and enforce social distancing guidelines.

The data that the company wants to leverage includes these data points:

• access badge logs

• security camera metadata

• WebEx Teams messages

• email attachments

• phone GPS coordinates

Which type of database must be used for this application?

60. Which action enhances end-user privacy when an application is built that collects and processes the location data from devices?

61. Refer to the exhibit.





The Python code manages a Cisco CSR 1000V router.

Which code snippet must be placed in the blank m the code to update the current configuration of the targeted resource?

A)





B)





C)





D)

62. Which data encoding format uses gRPC by default for serializing structured sets of information?

63. DRAG DROP

Refer to the exhibit.





Drag and drop the code from the bottom onto the box where the code is missing to complete the API request. An engineer is using this API request to implement Chat-Ops to generate notifications m a Webex space by using webhooks. Not all options are used.

64. DRAG DROP

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.

65. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing the snippet to complete this Ansible Playbook. Not all options are used.

66. Which authorization steps are required to obtain an access token according to the OAuth2 authorization code grant flow?

67. DRAG DROP

Drag and drop the code snippets from the bottom onto the blanks in the code to deploy a Node.js application as a service on a CentOS server. Not all options are used.

68. A client is written that uses a REST API to interact with a server. Using HTTPS as the transport, an HTTP request is sent and received an HTTP response. The response contains the HTTP response status code: 503 Service Unavailable.

Which action is the appropriate response?

69. Which command is used to enable application hosting on a Cisco IOS XE device?

70. Refer to the exhibit.





Which set of actions resolves the conflict in the MarkerJava file to accept the incoming changes?

A)





B)





C)





D)

71. There is a requirement to securely store unique usernames and passwords. Given a valid username, it is also required to validate that the password provided is correct.

Which action accomplishes this task?

72. DRAG DROP

Refer to the exhibit.





An engineer needs to implement a Cisco Webex ChatOps application to display requested metrics about the Cisco Webex space of the operations team.

The application must meet the requirements:

* Listen for messages that are targeted to the bot's user.

* Parse the message body to form the command that is directed to the bot.

* Retrieve and display the requested data.

* Ensure that the command follows this form: display stats stat1 stat2 from host1 host2.

73. DRAG DROP

Refer to the exhibit.

Drag and drop the steps from the left into the order of operation on the right for a successful OAuth2 three-legged authorization code grant flow.

74. An application has these characteristics

• provide one service or function

• distributed database

• API gateway

• central repository for code

• configuration database

• uses session management

Which two design approaches contribute to the scalability of the application? (Choose two.)

75. Which function does Fluentd fulfill for application logging in Kubernetes?

76. In the three-legged OAuth2 process, after the authorization server presents a form to the resource owner to grant access, what is the next step?

77. 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?

78. DRAG DROP

Drag and drop the code snippets from the bottom onto the blanks in the code to disable X11Forwarding on the SSH service of a CentOS server. Not all options are used.

79. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing to provision a new Cisco Unified Computing System server by using the UCS XML API. Options may be used more than once. Not all options are used.

80. An enterprise refactors its monolithic application into a modem cloud-native application that is based on microservices. A key requirement of the application design is to ensure that the IT team is aware of performance issues or bottlenecks in the new application.

Which two approaches must be part of the design considerations'' (Choose two.)

81. Which two data encoding techniques are supported by gRPC? (Choose two.)

82. How is AppDynamics used to instrument an application?

83. Refer to the exhibit.





An application uses an API to periodically sync a large data set.

Based on the HTTP message sequence provided, which statements are true about the caching behavior seen in the scenario? (Choose two.)

84. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing to permit network traffic between 10.0.0.0/8 and all other networks on port 80 for a Cisco Nexus 9000 switch by using the Puppet module. Not all options are used.

85. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing in the Python script to execute a REST API call to query all the NTP policy names and print the name of each policy. Not all options are used.

86. An engineer is designing an application to interact with Cisco Catalyst Center (formerly DNA Center). The application must use multiple components that serve unique functions that range from device data collection, analysis, and monitoring to a custom dashboard.

It must meet these development requirements:

• Application components are easy to replace.

• Application components are easy to re-use.

• It can scale up at short notice.

• It allows work to be done on specific components independently.

Which design practice must the engineer apply?

87. Refer to the exhibit.





Which action should be performed to avoid an SQL injection attack?

88. An organization manages a large cloud-deployed application that employs a microservices architecture across multiple data centers. Reports have received about application slowness. The container orchestration logs show that faults have been raised in a variety of containers that caused them to fail and then spin up brand new instances.

Which two actions can improve the design of the application to identify the faults? (Choose two.)

89. An engineer needs to automate the configuration on a Cisco NX-OS switch.

The solution must meet these requirements:

• Ansible is used

• The transport protocol is encrypted

• Support for Asynchronous requests.

Which two access mechanisms must be used? (Choose two.)

90. Refer to the exhibit









An application is developed to perform multiple API calls. The calls will be performed on the infrastructure devices Delays in the information transfer occur when the application is executed.

What are two reasons for the issue? (Choose two)

91. What describes microservices?

92. What is the function of dependency management?

93. Refer to the exhibit.





A)





B)





C)





D)

94. A company must adopt a configuration management solution for its multi-cloud microservices architecture.

The solution has these requirements:

* Hybrid cloud deployment

* Automated compliance and security configurations

* Dynamic infrastructure scaling

* Zero-downtime updates

* Immutable infrastructure principles

* Advanced configuration monitoring

Which configuration management solution should be implemented?

95. A developer is working on a new feature in a branch named 'newfeay000222118' and the current working primary branch is named 'pnm409024967'. The developer requires a merge commit during a fast forward merge for record-keeping purposes.

Which Git command must Be used?

A)





B)





C)





D)

96. DRAG DROP

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.

97. Refer to the exhibit.





A)





B)





C)





D)

98. Which Puppet manifest changes the NTP server and generates the traffic from VLAN 15?

A)





B)





C)





D)

99. What is a characteristic of event-driven architecture?

100. 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)

101. 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?

102. DRAG DROP

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.

103. What is a benefit of implementing a Cl pipeline?

104. 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?

105. DRAG DROP

Drag and drop the characteristics from the left onto the correct data processing techniques on the right, in the context of GDPR.

106. What securely stores and encrypts the API keys and tokens that are used for an application deployment?

107. DRAG DROP

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.

108. DRAG DROP

An application is being built to collect and display telemetry streaming data.

Drag and drop the elements of this stack from the left onto the correct element functions on the right.

109. Which Git command enables the developer to revert back to f414f31 commit to discard changes in the current working tree?

110. DRAG DROP

Refer to the exhibit.





Drag and drop the code snippets from the bottom onto the blanks in the code to create a function to add new network objects to their Firepower Device Management instance. Not all options are used.

111. Refer to the exhibit.





A company has extended networking from the data center to the cloud through Transit VPC.

Which two statements describe the benefits of this approach? (Choose two.)

112. A developer wants to automate virtual infrastructure to provision and manage it. The system will be implemented m large-scale deployment while offering redundancy and scalability with ease of management.

The solution must meet these requirements:

• Support the provisioning of up to 500 new virtual machines into private datacenters or the public cloud

• Support the modeling of a complex environment that consists of multiple virtual machines while supporting disaster recovery

• Maintain steady-state environments

Which configuration management solution must the developer use?

113. Refer to the exhibit.





The cisco_devnet Docker swarm service runs across five replicas. The development team tags and imports a new image named devnet'test 1 1 and requests that the image be upgraded on each container There must be no service outages during the upgrade process.

Which two design approaches must be used? (Choose two.)

114. Which type of agent is responsible for monitoring server usage and forwarding this data to the Cisco AppDynamics controller?

115. DRAG DROP

Drag and drop the code snippets from the bottom onto the blanks in the script to implement flow contra. Not all options are used.

116. An application is developed in order to communicate with Cisco Webex. For reporting, the application must retrieve all the messages sent to a Cisco Webex room on a monthly basis.

Which action calls /v1/messages directly?

117. Refer to the exhibit.





A)





B)





C)





D)

118. Which security approach should be used for developing a REST API?

119. 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)

120. Refer to the exhibit.





A network engineer developed an Ansible playbook and committed it to GitLab. A GitLab CI pipeline is started but immediately fails.

What is the issue?

121. Refer to the exhibit.





An engineer is developing a Python script to check if an API is live If the API is not live, the script must evaluate the response code and either raise an exception or add the request to a queue for retry.

Which code snippet must be placed in the plank in the code to complete the script?

A)





B)





C)





D)

122. A container running a Python script is failing when it reaches the integration testing phase of the CI/CD process. The code has been reviewed thoroughly and the build process works on this container and all other containers pass unit and integration testing.

What should be verified to resolve the issue?

123. A developer is working in a branch to develop a new feature named ‘newfeat404880077’. A file named ‘devcoreg13642911.jpg’ has accidentally been staged. This needs to be removed so that the commit is performed and branches merged.

Which git command must be used to unstage the file?

124. DRAG DROP

Drag and drop the code from the bottom onto the box whore the code is missing to retrieve a list of rack units that have more than 16 CPU cores. The filtered list will be used to create a summary on the monitoring dashboard. Not all options are used.

125. Which two statements describe advantages of static code analysis over unit tests? (Choose two.)

126. Refer to the exhibit.





Which command resolves the merge conflict by removing the previous commit from the commit history?

127. Which database type should be used to store data received from model-driven telemetry?

128. Refer to the exhibit.





The script, which uses Docker to run a Python application against production network switches, worked properly yesterday but is not working today. The engineer suspects that another engineer changed the script, which caused the CI/CD pipeline to fail.

What is the reason for this failure?

129. Refer to the exhibit.





A developer runs the docker service scale command to increase the number of replicas for the cisco_devnet service. The swarm cluster is using a private IP address subnet.

The service has these design requirements:

✑ It must be hosted behind a virtual IP address that is reachable from the Internet.

✑ For security reasons, the Docker swarm cluster subnet must not be reachable from the Internet.

Which design approach is used to fulfill the requirements?

130. Refer to the exhibit.





A developer must review an intern's code for a script they wrote to automate backups to the storage server. The script must connect to the network device and copy the running-config to the server.

When considering maintainability, which two changes must be made to the code? (Choose two.)

131. What is the result of a successful OAuth2 authorization grant flow?

132. An application is made up of multiple microservices, each communicating via APIs. One service is beginning to be a bottleneck for the application because it can take a lot of time to complete requests. An engineer tried adding additional instances of this service behind the load balancer, but it did not have any effect.

Which application design change must be implemented m this scenario?

133. Which two principles are included in the codebase tenet of the 12-factor app methodology? (Choose two.)