Cisco Cisco Certified DevNet Associate 200-901 Questions & Answers

• Question 521:

  A new application is being developed with specific platform requirements. The platform and application deployment and the ongoing platform management must be fully automated. The application includes a large database component that has significant disk I/O requirements. Which application deployment type meets the requirements?

  A. Python virtual environment

  B. virtual machine

  C. bare metal

  D. container

  Correct Answer: D

  To meet the requirements of an application with specific platform requirements and a large database component with significant disk I/O requirements, it might be best to use a containerized application deployment type.

  Containerization involves packaging an application and its dependencies into a container, which can be easily run on any platform that supports the container runtime. This allows the application to be deployed and run consistently across different environments, without the need to worry about platform-specific dependencies or configurations.

• Question 522:

  An engineer must configure Cisco Nexus devices and wants to automate this workflow. The engineer enables the Cisco NX-OS REST API to configure the devices by using an Ansible playbook. Before running the code, which resource must be used to verify that the code works correctly?

  A. Cisco Open NX-OS

  B. Cisco NX-OS SDK

  C. Cisco Code Exchange for Nexus

  D. Cisco Learning Labs

  Correct Answer: A

  https://www.youtube.com/watch?v=W0pXV2mYetU

• Question 523:

  Refer to the exhibit.

  

  A network engineer wants to automate the port enable/disable process on specific Cisco switches. The engineer creates a script to send a request through RESTCONF and uses ietf as the YANG model and JSON as payload. Which command enables an interface named Loopback1?

  A. enable_function(Loopback1, true, `iana-if-type:softwareLoopback').

  B. enable_function(`iana-if-type:softwareLoopback', Loopback1, true,)

  C. def enable_function(`iana-if-type:softwareLoopback', Loopback1, false,)

  D. def enable_function(Loopback1, true, `iana-if-type:softwareLoopback')

  Correct Answer: A

  This is calling the function and run the arguments def enable_function(Loopback1, true, 'iana-if-type:softwareLoopback')

• Question 524:

  What is a capability of an agentless configuration management system?

  A. It requires managed hosts to have an interpreter for a high-level language such as Python or Ruby.

  B. It requires managed hosts to connect to a centralized host to receive updated configurations.

  C. It uses compiled languages as the basis of the domain-specific language to interface with managed hosts.

  D. It uses existing protocols to interface with the managed host.

  Correct Answer: D

• Question 525:

  Access to the management interface of devices must be restricted by using SSH and HTTPS. Which two ports must be included in the ACLs for the protocols to work? (Choose two.)

  A. 22

  B. 23

  C. 80

  D. 443

  E. 880

  Correct Answer: AD

• Question 526:

  A developer has created a new image to use in a Docker build and has added a tag for the image by using the command:

  $ docker tag 84fe411926287 local/app:0.4

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

  A. $ docker build -p local/app:0.4

  B. $ docker run -t local/app:0.4

  C. $ docker run -p local/app:0.4

  D. $ docker build -t local/app:0.4

  Correct Answer: D

• Question 527:

  A developer created a new secure API and is testing the functionality locally. The API was added to a container for further testing, and other team members and applications need to connect to the API. Which command exposes the API in the container as port 8443 and allows connections external to the host?

  A. docker run -p 127.0.0.1:80:8443/tcp myapiservice

  B. docker run -p 0.0.0.0:443:8443/tcp myapiservice

  C. docker run -p 0.0.0.0:8443:443/tcp myapiservice

  D. docker run -p 127.0.0.1:443:8443/tcp myapiservice

  Correct Answer: B

  To expose the API in a container on port 8443 and allow external connections to the host on port 443, you can use the -p flag with docker run to publish a specific port from the container to the host.

  This will expose the API running in the container on port 8443, and allow external connections to the host on port 443. The port number on the left side of the colon (443) is the port on the host, and the port number on the right side (8443) is the port inside the container.

• Question 528:

  Refer to the exhibit.

  

  Which command, including arguments, is executed when the container starts?

  A. /bin/sh -c "/bin/sleep 30 andand nginx -g 'daemon off;'"

  B. /bin/sh -c "/bin/sleep 10 andand nginx -g 'daemon off;'"

  C. /bin/bash -c "/bin/sleep 30 andand nginx -g 'daemon off;'"

  D. /bin/sh -c "/bin/sleep 30" andand nginx -g 'daemon off;'

  Correct Answer: A

• Question 529:

  A company is adopting DevOps as part of an internal transformation, and is reviewing the success of the first deployments. Developers and engineers are working together to resolve any resulting issues. However, this new way of working has increased overhead, and the team is finding it difficult to complete releases in time. Which area of the CALMS framework must the company target for improvement?

  A. Collaboration

  B. Lean

  C. Sharing

  D. Measurement

  Correct Answer: B

  The company is having difficulty with the "Lean" aspect of the framework. Lean principles focus on maximizing efficiency and minimizing waste in order to improve the speed and quality of software development and delivery. Reference: https://blog.sonatype.com/principle-based-devops-frameworks-calms

• Question 530:

  Which Cisco product provides malware and content filtering through DNS?

  A. Cisco ASA Firepower module

  B. Cisco AMP

  C. Cisco ISE

  D. Cisco Umbrella

  Correct Answer: D