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Question 1
Which of the following is a benefit of using libraries like NAPALM?
Correct Answer:
Support for automation across multiple vendors' devices
Explanation:
Using libraries like NAPALM provides significant benefits, particularly with support for automation across multiple vendors' devices. NAPALM, which stands for Network Automation and Programmability Abstraction Layer with Multivendor support, is designed to be a consistent interface for managing network devices from different manufacturers. This multivendor capability is essential for organizations that operate in diverse environments, allowing for streamlined automation regardless of the brand of hardware in use. The ability to interface with various devices means that network engineers and DevOps teams can write scripts and automations that work universally across these devices, reducing the learning curve and increasing efficiency. Instead of needing to learn different APIs and command sets for each vendor, engineers can leverage a common set of functions provided by NAPALM, fostering a more agile approach to network management and automation. This enhances operational flexibility and minimizes the overhead associated with managing multivendor environments.
Question 2
What indicates the start and end of an element in XML?
Correct Answer:
Start and End tags
Explanation:
In XML, the structure and syntax are defined primarily by the use of tags, which clearly indicate the beginning and end of an element. An element starts with a start tag, which is formatted as , and ends with an end tag, formatted as . This tagging system provides a clear hierarchical structure to the data, allowing parsers to interpret and manipulate the data effectively. Using brackets, commas, or colons would not align with XML syntax or structure. Brackets could cause confusion as they are not used in the definition of XML elements, while commas and colons do not have any special meaning or role in XML format. Therefore, the use of start and end tags is fundamental and is what makes option A the correct choice.
Question 3
Which of the following is a benefit of using an SDK?
Correct Answer:
Increased security
Explanation:
Using a Software Development Kit (SDK) offers several benefits, and one of the important ones is increased security. SDKs often come with built-in security features, libraries, and documentation that help developers implement security protocols effectively. This can include authentication methods, data encryption, and secure communication channels, allowing developers to focus on building the application without having to develop security measures from scratch. By leveraging these pre-developed security components, developers can significantly reduce vulnerabilities in their applications and ensure that they adhere to best practices for securing data and interactions. In contrast to this, aspects such as slower development time, greater hardware resource requirements, and more complex integration do not generally align with the advantages of using an SDK. SDKs are typically designed to speed up the development process by providing reusable code and tools, help streamline resource management, and simplify integration with various services and protocols.
Question 4
Which HTTP method would you likely use to modify an existing resource?
Correct Answer:
PUT
Explanation:
The correct choice for modifying an existing resource is the PUT method. PUT is designed specifically for updating or replacing a resource at a specified URI. When you send a request using the PUT method, you typically include the updated representation of the resource in the body of the request. This allows the server to know what changes need to be applied to the existing resource. In contrast, other methods serve different purposes. The GET method is used to retrieve data from a server and does not modify the resource at all. The HEAD method is similar to GET, but it retrieves only the headers of a response, again without making any modifications to the resource. Lastly, the OPTIONS method is used to describe the communication options for the target resource and does not involve modifying or creating resources. Thus, for any operation aiming to modify an existing resource, the PUT method is the appropriate choice.
Question 5
Which principle of DevOps focuses on continuous improvement and learning?
Correct Answer:
Lean
Explanation:
The principle of DevOps that emphasizes continuous improvement and learning is Lean. Lean principles are rooted in enhancing efficiency and minimizing waste, ensuring that organizations continuously reflect on their processes and outcomes. This approach encourages teams to regularly assess and refine their workflows, fostering an environment where experimentation, feedback, and iterative enhancements are valued. By focusing on Lean practices, teams are driven to eliminate bottlenecks and inefficiencies, which is key to promoting a culture of continuous improvement. Lean methodologies advocate for identifying and addressing problems quickly, helping teams learn from their experiences and adapt their practices over time. While culture, automation, and measurement are all important aspects of the DevOps framework, they do not specifically encapsulate the principle of continuous improvement and learning in the same way that Lean does. Culture supports collaboration and communication; automation enhances processes through efficiency; and measurement provides insights into performance. However, Lean directly links to the idea of evolving processes and fostering a mindset centered on ongoing learning and enhancement.
Question 1
Exam overview

About this Exam

The Cisco Certified DevNet Associate (200-901 DEVASC) certification validates your skills in software development, APIs, network programmability, and automation.

This crucial exam is designed for network professionals, software developers, and individuals eager to transition into modern network engineering roles, bridging the gap between networking and software development.

It demonstrates proficiency in key technologies required for today's dynamic IT infrastructure.

More details

Additional Information

What the Course Entails and Exam Details

The official curriculum dives deep into essential domains crucial for modern network programmability.

You will gain proficiency in software development fundamentals, understanding diverse design patterns, and utilizing version control systems like Git.

A significant focus is placed on mastering REST APIs, learning how to effectively consume services, implement authentication, and troubleshoot API calls.

The course also covers building applications and integrations with key Cisco platforms and utilizing relevant SDKs and developer centers.

Furthermore, you'll explore crucial aspects of application deployment, understanding CI/CD pipelines, containerization technologies like Docker and Kubernetes, and application security principles.

Lastly, mastering infrastructure and automation is a key takeaway, involving network automation concepts, configuration management, and infrastructure as code using tools like Ansible.

Finally, you will develop a solid understanding of essential network fundamentals to contextualize your programmable solutions.


What to Expect in the Final Exam

The DevNet Associate exam is a proctored, timed test.

It typically consists of approximately 100-110 questions.

These questions are primarily multiple choice (single and multiple answer), but may also include drag-and-drop, scenarios, and simulations.

You will have 120 minutes (2 hours) to complete the entire exam.

The approximate passing score is around 825 out of 1000, though this can vary.

Specific rules, such as closed book, no electronic devices, and supervised environment apply strictly, whether taken in-person or online.


How to Study and Exam Centers

Effective preparation is key to success on the 200-901 DEVASC exam.

Leverage official Cisco DevNet resources: Explore the vast, free resources, learning labs, and documentation on the Cisco DevNet website.

Enroll in authorized training: Consider official Cisco instructor-led training or self-paced courses for structured learning.

Utilize practice exams: Dedicate ample time to taking high-quality, up-to-date practice tests to simulate the exam environment and identify areas for improvement.

Focus on hands-on experience: Build real-world applications, experiment with APIs, and practice network automation using sandboxes and your own lab environment.

Join community forums: Engage with other aspiring and certified professionals in DevNet communities for peer support and insights.

Schedule your exam: Registration is done through Pearson VUE, Cisco's authorized testing partner.

You can choose to take the exam at a convenient Pearson VUE physical testing center globally.

Alternatively, you can opt for the online proctored exam from the comfort of your home or office, ensuring you meet technical and environmental requirements.


Job Opportunities from the Course

Successfully earning your Cisco Certified DevNet Associate opens doors to numerous exciting career paths within the rapidly evolving IT landscape.

Potential job titles include:

  • Network Automation Engineer

  • Network Developer

  • Network Software Engineer

  • Application Developer (Network-focused)

  • DevOps Engineer (Infrastructure focus)

  • Systems Integration Engineer

  • Cloud Infrastructure Engineer

  • Automation Specialist

These roles allow you to blend networking expertise with software development skills, driving innovation and efficiency in network operations, cloud services, and application deployment.

This certification is a significant differentiator, showcasing your ability to design, build, and secure automated solutions on Cisco platforms.DevNet Associate 200-901 Practice Exam


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