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Cisco 200-901 Exam Syllabus Topics:

Section	Weight	Objectives
Infrastructure and Automation	20%	- Model-driven programmability 1. Configuration management with scripts 2. YANG data models - Automation tools and frameworks 1. Ansible, Terraform, Puppet 2. Infrastructure as Code principles - Network fundamentals 1. Network devices and protocols 2. IP addressing, routing, VLANs
Network Fundamentals	15%	- Basic network concepts 1. Topologies and connectivity 2. TCP/IP stack, ports, protocols - Application networking 1. Client-server communication 2. Troubleshooting and monitoring
Application Deployment and Security	15%	- Deployment models 1. Virtual machines, containers, bare metal 2. Docker and container orchestration - CI/CD pipelines 1. Automation tools: Jenkins, GitHub Actions 2. Pipeline components and workflows - Security best practices 1. Secure coding, OWASP Top 10 2. Application testing and vulnerability scanning
Cisco Platforms and Development	15%	- Cisco management platforms 1. Cisco DNA Center API 2. Cisco Meraki Dashboard API 3. Cisco ACI, SD-WAN, NSO 4. Cisco IOS XE, RESTCONF, NETCONF - Collaboration and cloud platforms 1. Cisco cloud and security APIs 2. Webex APIs - Use SDKs and tools 1. Cisco SDKs and libraries 2. Python scripts for platform interaction
Software Development and Design	15%	- Understand basic programming concepts 1. Error handling and debugging 2. Variables, data types, functions, classes - Use data formats and structures 1. Data serialization and deserialization 2. JSON, XML, YAML - Understand software development processes 1. Version control with Git 2. Application design patterns and principles 3. Software development methodologies
Understanding and Using APIs	20%	- Authenticate and secure APIs 1. Encryption and data protection 2. API keys, OAuth2, token-based auth - Describe API architectures 1. REST, RPC, SOAP 2. HTTP methods, status codes, headers - Interact with APIs 1. Parse and process API responses 2. Make API calls using tools and code

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Cisco DevNet Associate Exam Sample Questions (Q190-Q195):

NEW QUESTION # 190
What is a function of the default gateway in a network?

A. to drop traffic that is not destined to the default gateway
B. to drop traffic that is destined to the default gateway
C. to forward traffic to the same subnet
D. to forward traffic to different subnets

Answer: D

Explanation:
The primary function of the default gateway in a network is to forward traffic to different subnets. It acts as an intermediary that routes traffic from a local network to other networks, including the Internet.
Default Gateway: A router or network device that routes traffic from a local subnet to other subnets or networks. It serves as an access point or IP router that a networked computer uses to send information to a computer in another subnet or network.

NEW QUESTION # 191
Refer to the exhibit. Up to which device does the communication server 1 and server 2 go?

A. device B
B. device E
C. device D
D. device C

Answer: C

Explanation:
Since servers are in different networks, they need a router to communicate. The router does not send the packets to the firewall because the next hop is on the same interface that connects down to the servers.

NEW QUESTION # 192
Refer to the exhibit.

A network engineer wants to use an API to update information about device interfaces. The network devices are deployed in a Cisco DevNet Sandbox and have running interfaces. Which line of code needs to be placed in the snippet where the code is missing?

A. {'Content-Type': 'application/yang.data+yaml', 'Accept': 'application/yang.data
+yaml'}
B. {'Content-Type': 'application/yang.data+utf8', 'Accept': 'application/ restconf.data+utf8'}
C. {'Content-Type': 'application/restconf.data+json', 'Accept': 'application/ restconf.data+json'}
D. {'Content-Type': 'application/yang.data+xml', 'Accept': 'application/yang.data
+xml'}

Answer: C

NEW QUESTION # 193
Which statement describes the benefit of using functions in programming?

A. Functions create the implementation of secret and encrypted algorithms.
B. Functions ensure that a developer understands the inner logic contained before using them as part of a script or application.
C. Functions store mutable values within a script 01 application.
D. Functions allow problems to be split into simpler, smaller groups, and reduce code repetition, which makes the code easier to read.

Answer: D

Explanation:
Functions in programming are a fundamental concept that provide several key benefits:
* Modularity: By breaking down a program into smaller, manageable functions, it becomes easier to understand, debug, and maintain.
* Reusability: Functions allow code to be reused across the program, reducing redundancy.
* Abstraction: Functions can abstract complex operations into a simple function call, making the code easier to read and understand.
* Testing: Functions can be tested individually, which simplifies the process of testing the overall program.
Reference: Cisco DevNet Associate Certification Guide, Chapter on Python Programming and Software Development .

NEW QUESTION # 194
What is a requirement when authenticating a RESTCONF API session with a router that runs Cisco IOS XE Software?

A. No authentication is required.
B. OAuth must be used.
C. Basic authentication must be used.
D. A token must be retrieved and the associated string must be embedded in the X-Auth-Token header.

Answer: C

Explanation:
When authenticating a RESTCONF API session with a router running Cisco IOS XE Software, basic authentication is required. This involves sending a username and password encoded in Base64 as part of the HTTP headers.

NEW QUESTION # 195
......

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