Cisco Cisco Certified DevNet Professional 350-901 Questions & Answers

• Question 301:

  How should a web application be designed to work on a platform where up to 1000 requests per second can be served?

  A. Use algorithms like random early detection to deny excessive requests.

  B. Set a per-user limit (for example, 5 requests/minute/user) and deny the requests from the users who have reached the limit.

  C. Only 1000 user connections are allowed; further connections are denied so that all connected users can be served.

  D. All requests are saved and processed one by one so that all users can be served eventually.

  Correct Answer: B

• Question 302:

  Refer to the exhibit.

  

  A Python script must list network clients in the Cisco Meraki API that have used a network with an ID of 2 The number of client entries per returned page is restricted to 1.000 according to the API specification Network 2 has 2.500 clients. What must be added where the code is missing to print the content of each response?

  

  A. B. C. D.

  Correct Answer: A

• Question 303:

  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?

  A. network_cli

  B. ssh

  C. shell

  D. command

  Correct Answer: B

  Reference: https://docs.ansible.com/ansible/latest/user_guide/intro_inventory.html

• Question 304:

  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?

  A. list of all resources that have a tag with the keyword "Site"

  B. error message because the Value field was not specified

  C. error message because the tag filter should be lowercase

  D. list of all sites that contain RackUnit tagged compute resources

  Correct Answer: A

• Question 305:

  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. int(self.response.headers.post('Retry-After'))

  B. int(response.headers.get('Retry-After'))

  C. int(self.response.headers.get(Retry-After'))

  D. int(response.headers.post('Retry-After'))

  Correct Answer: C

• Question 306:

  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.

  Correct Answer: A

• Question 307:

  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?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 308:

  An architect must optimize traffic that targets a popular API endpoint Currently, the application downloads a large file hourly, but often the file is unchanged and the download causes unnecessary load and delays. Which cURL command must be used to determine the last modified date of the file and to optimize the API usage?

  A. curl GET request

  B. curl HEAD request

  C. curl --silent request

  D. curl -H 'Cache-Control: no-cache' request

  Correct Answer: B

• Question 309:

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

  A. XML

  B. JSON

  C. ASCII

  D. ProtoBuf

  E. YAML

  Correct Answer: BD

• Question 310:

  A developer is building an application to access a website. When running the application, an HTTP 403 error code has been received. How should the application be modified to handle this code?

  A. Create a loop on cancel the operation and run a new one after the code is received.

  B. Use exponential backoff when retrying distributed services and other remote endpoints.

  C. Build a try/except around the urlopen to find errors occurring in the request.

  D. Redirect the request to an internal web server and make a new request from the internal resource.

  Correct Answer: B