Cisco Cisco Certified DevNet Associate 200-901 Questions & Answers

• Question 31:

  What is a principle of test-driven development?

  A. write and run tests before writing new code

  B. write tests after adding new blocks of code

  C. run tests after writing new code

  D. write documentation for tests

  Correct Answer: A

• Question 32:

  Calling a REST API returns a 404 error. What does this code represent?

  A. A query parameter is missing.

  B. The URI being requested is incorrect.

  C. A header is missing.

  D. The payload is formatted incorrectly.

  Correct Answer: B

• Question 33:

  A developer prepares a Python application to monitor network performance on specific applications. The developer tests the code on a test environment but requires more use cases and wants the scripts to be improved for different networks. Which resource must be used to take advantage of open-source communities and contributors for the application?

  A. code exchange

  B. sandbox

  C. packet tracer

  D. learning labs

  Correct Answer: A

• Question 34:

  Which security platform rapidly analyzes files and suspicious behavior across an environment?

  A. Cisco Threat Grid

  B. Cisco Firepower

  C. Cisco ISE

  D. Cisco ASA

  Correct Answer: A

• Question 35:

  A developer prepared the Dockerfile and already built a web application container with the image name: “myWebApp”. Requests made to the server public IP address on port 8080 must be redirected to port 80 on the container. The developer wants to start the container and access the Bash shell while the application serves the requests. Which command is used?

  A. docker run -t -i myWebApp -p 8080:80 bash

  B. docker cmd -t -i myWebApp -d 80:808 bash

  C. docker start -t -i apche2 -p 8080:80 bash

  D. docker exec -t -i apache2 -bash

  Correct Answer: A

• Question 36:

  What is the impact on an application from having a large distance between a client device and a host server?

  A. latency

  B. increased bandwidth

  C. loss of connectivity

  D. jitter

  Correct Answer: A

• Question 37:

  What is a feature of Cisco Modeling Labs?

  A. Practice administration skills for exam certification.

  B. Automate simulations that connect to external networks.

  C. Design and test against virtual network equipment.

  D. Create and manage user groups to control lab access.

  Correct Answer: C

• Question 38:

  Which port does HTTP use by default?

  A. 22

  B. 80

  C. 430

  D. 443

  Correct Answer: B

• Question 39:

  A developer is working on a branch called topic that was created from the master branch to add a new feature to the product. After making a few commits on the branch, the developer wants to compare the changes between the topic and the master branches. Which two Git commands are used? (Choose two.)

  A. git diff topic - -cached

  B. git diff topic…master

  C. git diff topic HEAD

  D. git diff topic-master

  E. git diff topic master

  Correct Answer: BE

• Question 40:

  What is a capability of Cisco UCS Director?

  A. It is used to generate workflow reports on any hardware equipment in the network.

  B. It is used to create multistep workflows to automate large and repetitive tasks.

  C. It supports only hardware created by Cisco to ensure scalability across the network.

  D. It is a platform for monitoring and troubleshooting server-related issues.

  Correct Answer: B