Pass Your Cisco DEVASC 200-901 Exam Easy!

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The Cisco 200-901 exam measures the expertise and skills of the candidates in software design and development. It includes their knowledge of Cisco platforms, APIs, application security and development as well as infrastructure and automation. The professionals who ace this test are eligible to earn the Cisco Certified DevNet Associate certification.

Prerequisites

The Cisco 200-901 test has no official prerequisites. However, it is pretty important to have extensive knowledge of its subject areas. First of all, the students should possess the competence in developing and maintaining applications built on top of Cisco platforms. Additionally, it is essential to have the basic skills in PC operating system navigation and practical experience in working with Python.

Exam Details

Cisco 200-901 is a timed, proctored test delivered in a secured environment. The exam has the time frame of 120 minutes and covers a wide range of topics and skill areas. The registration process for the test is done through Pearson VUE. It is possible to set up the exam day in advance (up to six weeks) or on the same day. The regular fee is $300. The test can be taken in the English and Japanese languages.

Exam Topics

The applicants must develop their knowledge and mastery of the exam domains in advance. The following is the overview of the subject areas that are included in this certification test:

Software Design & Development: The first section measures the proficiency of the test takers in the following:

• Comparison of data formats
• Description of parsing of general data format to Python data structures
• Comparison of application development methods (waterfall, lean, and agile)
• Explanation of the advantages of arranging code into functions/methods, classes as well as modules
• Identification of the benefits of general design patterns (Observer and MVC)
• Explanation of the benefits of version control
• Utilization of general version control operations with Git

Comprehension and Utilization of APIs: This module is dedicated to validating the competence of the specialists in:

• Description of general usage patterns affiliated with webhooks
• Identification of restrictions when utilizing APIs
• Explanation of general HTTP response codes that are affiliated with REST APIs
• Identification of the components of an HTTP response (body, headers, and response code)
• Utilization of general API authentication mechanisms: API keys, basic, and custom token
• Comparison of general API styles (RPC, REST, synchronous as well as asynchronous)
• Construction of a Python script, which calls a REST API utilizing the requests library

Cisco Platforms & Development: The next part evaluates the expertise of the examinees in the following:

• Construction of a Python script, which utilizes a Cisco SDK given SDK documentation
• Description of dynamic interfaces and device level APIs for NX-OS and IOS XE
• Identification of the relevant DevNet resources within a specific case (Code Exchange, Sandbox, forums, support, API documentation, and Learning Labs)
• Construction of code to carry out a particular operation that is based on a pack of requirements as well as given API reference documentation

Application Deployment & Security: This topic is all about:

• Description of the benefits of edge computing
• Identification of the features of various application deployment methods
• Description of constituents for a CI/CD pipeline in application implementations
• Construction of a Python unit test
• Interpretation of contents of a Dockerfile
• Utilization of Docker images in a local developer environment
• Identification of application security problems associated with data handling, encryption (storage and transport), and secret protection
• Description of top OWASP threats (CSRF, SQL-injections, and XSS)
• Utilization of Bash commands (file management, environmental variables, and directory navigation)
• Identification of the principles of DevOps practices

Infrastructure & Automation: As for this domain, the professionals are required to demonstrate their competence and expertise in the following:

• Description of the benefit of model driven programmability for the automation of infrastructure
• Comparison controller-level with device-level management
• Description of the usage and roles of network simulation as well as test tools
• Description of the constituents and advantages of CI/CD pipeline for infrastructure automation
• Description of the principles of infrastructure as code
• Description of the possibilities of automation tools, such as Chef, Puppet, Cisco NSO, and Ansible
• Identification of the workflow being automated by a Python script, which utilizes Cisco APIs
• Interpretation of the outcomes of a NETCONF or RESTCONF query
• Description of the principles as well as advantages of a code review process
• Interpretation of sequence diagram, which includes API calls

Network Fundamentals: The last subject area checks the applicants’ mastery of:

• Description of the aim and utilization of VLANs and MAC addresses
• Description of the goal and utilization of IP addresses, gateways, routes, and subnet mask/prefix
• Description of the role of general networking components
• Interpretation of an elementary network topology diagram with the elements, such as routers, switches, port values, firewalls, and load balancers
• Description of the role of control planes, data, and management in a network device
• Recognition of general protocol port values
• Identification of the cause of application connectivity problems
• Explanation of the effects of network constraints on applications

Preparation Phase

Cisco recommends that the specialists sitting for the 200-901 DEVASC test go through the Developing Applications and Automating Workflows using Cisco Core Platforms training course. It is designed to equip them with the skills required to implement the fundamental network applications with Cisco platforms as the base. It also focuses on teaching the examinees how to implement different automation workflows across collaboration, security, network, and computing infrastructure. The learners will gain experience in solving practical problems with the use of Cisco APIs and modern development tools. In addition, the students can find other resources on the Cisco site as well as other reputable websites.

Career Prospects

The specialists who pass the Cisco 200-901 exam fulfill the requirements for getting the Cisco Certified DevNet Associate certificate. The individuals with this certification can explore a wide range of rewarding positions, including a Software Engineer, a Test Development Engineer, a Cloud Developer, a Site Reliability Engineer, an Automation Engineer, an Application Developer, and a DevOps Engineer. The average salary outlook for the certificate holders is $77,000 per annum.

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