Cisco Cisco Certified DevNet Professional 350-901 Questions & Answers

• Question 161:

  A developer needs to build a new Docker image and has created a tag by using the command:

  $ docker tag 32df423320458 local/app.1.2

  Which command must be executed next to build the Docker image using the tag?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 162:

  A developer creates an application for a Cisco Catalyst 9000 switch in a Docker container. Which action must be taken to host the application on the switch?

  A. Copy the application code to a NETCONF file and upload the file to the switch

  B. Connect the switch to Cisco DNA Center and push the application through the platform.

  C. Use the Cisco IOxClient tool to export the application to a ZIP file and push the file to the switch

  D. Export the application as a TAR file and import the file to the switch

  Correct Answer: D

• Question 163:

  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?

  A. git delete HEAD devcoreg13642911.jpg

  B. git remove HEAD devcoreg13642911.jpg

  C. git reset HEAD devcoreg13642911.jpg

  D. git revert HEAD devcoreg13642911.jpg

  Correct Answer: C

• Question 164:

  Which scenario is an example of the pseudonymization of sensitive data that meets GDPR requirements?

  A. encrypting sensitive data at rest by using native cloud services and data in transit by using SSL/TLS transport

  B. implementing XFowarded For at the frontend of a web app to enable the source IP addresses of headers to change

  C. leveraging an application load balancer at the frontend of a web app for SSL/TLS decryption to inspect data in transit

  D. separating the sensitive data into its own dedicated secured data store and using tokens in its place

  Correct Answer: A

• Question 165:

  The Meraki API URL https://api.meraki.com/api/v0/networks/123456789/ssids/2 has been stored in the environment variable meraki_url and the API key has been stored in meraki_api_key. Which snippet presents the API call to configure, secure and enable an SSID using the Meraki API?

  

  A. B.

  

  C. D.

  Correct Answer: C

• Question 166:

  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.)

  A. Implement rolling upgrades by using the docker service update command.

  B. Enable parallel upgrades by using the docker service update command.

  C. Ensure that the service is hosted behind a VIP with no session persistence.

  D. Update the restart policy of the containers to restart upon failure.

  E. Ensure that the service replicas are set to a minimum of 5.

  Correct Answer: AC

• Question 167:

  What is a characteristic of event-driven architecture?

  A. separates the models for the reading and writing of data

  B. allows for loose coupling between software components

  C. breaks a solution into parts according to business capability

  D. provides a single point of reference for mastering data

  Correct Answer: C

• Question 168:

  Which command is used 10 enable application hosting on a Cisco IOS XE device?

  A. iox

  B. iox-service

  C. application -honing

  D. app- hosting

  Correct Answer: A

• Question 169:

  Refer to the exhibit.

  

  This snippet of a script has recently started exiting abnormally with an exception stating "Unexpected HTTP Response code: 429". Which solution handles rate limiting by the remote API?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 170:

  While developing an application following the 12-factor app methodology, which approach should be used in the application for logging?

  A. Write a log to a file in the application directory.

  B. Write a log to a file in /var/log.

  C. Write the logs buffered to stdout.

  D. Write the logs unbuffered to stdout.

  Correct Answer: D