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As this is a DevOps certification, the whole course as well as 200-901 test itself are centered around the development and design of the software. The following are the objectives and the topics on which one will be tested during the exam.
The third of 200-901 exam domains requires one to learn more about Cisco platforms and how to use them for development. It focuses on the following topics: writing Python scripts to use a Cisco SDK; coding to get a list of network devices using Cisco DNA Centre, Cisco SD-WAN, etc.; proper applying of concepts for model driven programmability within a Cisco environment; recognizing the best fitting DevNet resource according to a given scenario, and explaining the abilities of Cisco's platforms and APIs. These are only some of the concepts covered under this section that carries 15% of the exam's questions.
The fourth section assesses one's knowledge of the components and advantages of CI/CD pipelines; the abilities of automation tools such as Chef and Ansible; the advantages of code reviewing processes, and skills in identifying the value that model driven programmability brings into infrastructure automation. Also, the understanding of the pros of network simulations, basic YANG models, and sequence diagrams is needed to answer the related questions. The weightage for this domain is 20%.
One of the most important sections of the course content, the deployment and securing of applications has 15% of the test's syllabus. It discusses topics such as pros of edge computing; writing unit tests in Python; explaining a Dockerfile's contents; using Docker images within local developer environments; recognizing issues in application security; explaining the top OWASP threats, analyzing various application deployment models to define their attributes, using Bash commands, etc.
And finally, the fundamentals of networking are involved in 200-901 outline. This part focuses on the basics of computer networking such as the usage of VLANs and MAC addresses; functions of routers, switches, firewalls, etc.; ability to explain the functionalities of IP services such as DHCP, SNMP, DNS, and NAT; skills to find what causes connectivity issues of apps, and more. This section also accounts for 15% of the overall content.
This domain focuses on one's knowledge in proper comparison of data formats such as XML, JSON, etc.; comparison of different methods available for software development such as agile, waterfall, and lean; explaining the pros of following coding best practices such as organizing your code into classes and functions; evaluating the advantages of using design patterns in your programming, including Observer and MVC; analyzing benefits of version control; and the common usage mechanisms in Git such as cloning, committing and branching. This section is accountable for 15% of the total questions in the exam.
NEW QUESTION # 358
What are two use cause where webhooks are effective? (Choose two.)
Answer: B,D
Explanation:
Webhooks are user-defined HTTP callbacks triggered by specific events. They are effective in scenarios where an automated response to an event is required. For example, informing a chat channel after a deployment event or sending an email after a transaction are practical uses of webhooks. These use cases leverage the real-time capabilities of webhooks to automate responses and notifications based on events.
Reference:
Cisco DevNet Associate Study Guide: Event-Driven Automation (Chapter 8, Section: Webhooks and Their Use Cases).
NEW QUESTION # 359
What are two benefits of using VLANs? (Choose two.)
Answer: B,C
NEW QUESTION # 360
Refer to the exhibit.
An API call is constructed to retrieve the inventory in XML format by using the API. The response to the call is 401 Unauthorized. Which two headers must be added to the API call? (Choose two.)
Answer: A,D
Explanation:
The 401 Unauthorized response indicates that the API call lacks proper authentication. To authenticate a request using a Bearer token, the correct headers must be included. The "Authorization: Bearer <token>" header is the correct format for including a Bearer token in an API request. Additionally, specifying the correct content type can also be important, but in this case, the critical headers are related to authorization.
Reference:
Cisco DevNet Associate Study Guide: API Authentication (Chapter 7, Section: Authentication Methods for REST APIs).
NEW QUESTION # 361
Refer to the exhibit.
What does the command marked (2) do when it is run?
Answer: C
Explanation:
The command git branch -D test forcefully deletes the local branch named test, even if it has unmerged changes.
* Deleting Branches: git branch -D is used to delete a branch forcefully.
* Force Deletion: The -D flag forcefully deletes the branch regardless of its merge status.
Option C correctly describes the action of the command, which is to delete the test branch.
Reference:
Git Documentation: Git Branch Command
NEW QUESTION # 362
Drag and Drop the Bash commands from the left onto the correct actions on the right.
Answer:
Explanation:
Explanation
1 - d, 2 - i, 3 - e, 4 - a, 5 - j, 6 - b, 7 - g, 8 - h, 9 - c, 10 - f
NEW QUESTION # 363
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