Cisco Cisco Certified DevNet Professional 350-901 Questions & Answers

• Question 151:

  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?

  A. "Error; The server is unable to handle your request." "Error:

  B. The data requested has not been found."

  C. "Error: The rate limit has been exceeded for sending API requests at this time"

  D. "Enor: The server requires authentication to complete this request."

  Correct Answer: A

• Question 152:

  A developer is working on a bug fix. The existing branch named `bugfix05328' needs to be merged with the current working primary branch named `prim404880077'. All changes must be integrated into a single commit instead of preserving them as individual commits. Which git command must be used?

  A. git checkout -squash bugfix05328

  B. git merge -squash bugfix05328

  C. git rebase -merge bugfix05328

  D. git push -rebase bugfix05328

  Correct Answer: B

• Question 153:

  An application requires SSL certificates signed by an intermediate CA certificate. The crt files must be available to the application:

  The root CA certificate is root_certrficate.crt.

  The intermediate CA certificate is intermediate_certificate.crt

  The application-specific SSL certificate is crt_certificate.crt.

  Which Bash command outputs the certificate bundle as a .pern file?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 154:

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

  A. Use encryption between services

  B. Install a perimeter firewall

  C. Use a dedicated cloud connection service.

  D. Implement an API gateway

  Correct Answer: A

• Question 155:

  Two Elasticsearch database servers use bidirectional asynchronous data replication Both servers accept writes from clients The design must meet these requirements:

  The cluster must survive if a fault occurs that causes the network connection to go down between nodes

  The data must remain consistent if communication between nodes fails.

  The data must be spread evenly across all nodes in the cluster.

  Which design approach must be used to meet the requirements?

  A. Set the initial voting configuration to force a specific node as the master.

  B. Scale the master nodes down to a single node.

  C. Set the minimum_master_nodes to 2 in the configuration.

  D. Add a third cluster node to provide majority votes.

  Correct Answer: C

• Question 156:

  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?

  A. The sign-in redirection is sending clients to the wrong server for SSO.

  B. There is a time synchronization issue between the application and LDAP.

  C. Users are providing incorrect credentials when logging in.

  D. The LDAP server used for authentication fails to respond to connection requests

  Correct Answer: A

• Question 157:

  Refer to the exhibit.

  

  Which code snippet must be added to the blank in the code to automate the evaluation and handling of errors due to wrong credentials when Basic Authorization is used?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

• Question 158:

  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?

  A. jitter

  B. decreased bandwidth

  C. latency

  D. connectivity loss

  Correct Answer: C

• Question 159:

  Refer to the exhibit.

  

  Refer to the exhibit An application hosting server with the local data center is experiencing large amounts of traffic from enclusers. A developer must optimize this API server to reduce the toad on its host. What are two ways to optimize this code through HTTP cache controls? (Choose two.)

  A. Include the "ETag" header in the API response.

  B. Include the "Last-Modified" header in the API response.

  C. Include the "Content-Type" header in the API response.

  D. Leverage middleware caching and respond with HTTP code 104 m the API response

  E. Leverage middleware caching and respond with HTTP code 204 m the API response.

  Correct Answer: AB

• Question 160:

  

  Refer to the exhibit. Which action resolves the error for the GitLab CI/CD pipeline execution?

  A. Download the correct artifacts by specifying them in GitLab.

  B. Use the python:3.9.0a4-alpine3.10 Docker image

  C. Install the missing python libraries via pip3.

  D. Add the absolute path to the python3 executable

  Correct Answer: B