Cisco 200-901 Online Practice Questions and Exam Preparation

Cisco 200-901 Online Questions & Answers

• Question 411:

  What is a feature of XML compared to other data formats?

  A. It uses tags to define the structure.
  B. It uses parenthesis for key-value pairs.
  C. It uses indentation to define the structure.
  D. It uses namespaces for list representation.
  A. It uses tags to define the structure.

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  XML (eXtensible Markup Language) uses tags to define the structure and content of the data. Each element is enclosed in tags, which makes the data self- descriptive and facilitates the hierarchical organization of information. This is a key feature that distinguishes XML from other data formats. Reference: Cisco DevNet XML Overview

• Question 412:

  DRAG DROP

  Drag and drop the Bash commands from the left onto the correct actions on the right.

  Select and Place:

  

  

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  Explanation/Reference:

• Question 413:

  What is the IANA-assigned TCP port for NETCONF over SSH?

  A. 21
  B. 22
  C. 830
  D. 8443
  C. 830

• Question 414:

  Which toot allows changes to the configuration management toolset to be tested?

  A. pyATS
  B. NAPALM
  C. Cisco VIRL
  D. Ansible
  D. Ansible

• Question 415:

  While developing a real-time VoIP application on a Cisco Webex Teams platform, users report that their voice gets chopped or parts of the conversation drops out. Which network constraint is impacting the application?

  A. jitter
  B. capacity
  C. delay
  D. latency
  A. jitter

• Question 416:

  Refer to the exhibit.

  

  A developer must check packages on web load balancers that use nginx packages. The developer updates the servers as required in Ansible inventory and prepares an Ansible playbook to automate this workflow on related servers. Which process is being automated by the Ansible playbook?

  A. verifying that nginx is installed only if apache2 is unavailable on the system, and then updating all the other packages
  B. verifying, without installing, that apache2 is unavailable and that nginx is installed, and then updating the repository to the latest version
  C. uninstalling the apache2 server, installing the nginx server, and then updating all the packages to the latest version
  D. installing nginx, uninstalling apache2, and then verifying that the package repository is at the latest version
  C. uninstalling the apache2 server, installing the nginx server, and then updating all the packages to the latest version

• Question 417:

  Refer to the exhibit.

  

  Up to which device does the communication server 1 and server 2 go?

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

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  Explanation Explanation/Reference:In the given network topology, the communication from Server 1 and Server 2 goes up to device D. Both servers are connected to Device E, which is a Layer 2 switch. Device E is connected to Device D, which serves as the next hop for routing the packets to other parts of the network, including the internet through Device C. Reference: Cisco DevNet Associate documentation on network topologies and device roles.

• Question 418:

  An engineer is responsible for several thousand network devices across many campus environments that are all connected to a common controller. Which action updates all devices with new security settings in this network?

  A. Get a list of all devices from the controller and use a CLI to change the settings on individual devices.
  B. Track a list of all devices on a spreadsheet and use a CLI to change the settings on individual devices.
  C. Get a list of all devices from the controller and use RESTCONF to set a YANG model on the devices.
  D. Track a list of all devices on a spreadsheet and use RESTCONF to set a YANG model on the devices.
  C. Get a list of all devices from the controller and use RESTCONF to set a YANG model on the devices.

• Question 419:

  Refer to the exhibit. A developer just finished testing a Python script and wants to save the list of packages and versions installed on the current machine. The developer must make sure that it will not cause any issues if tested on another device due to different library versions. Which line of code needs to be placed on the snippet where the code is missing?

  

  A. pip freeze 2> requirements.txt
  B. pip freeze > requirements.txt
  C. pip freeze => requirements.txt
  D. pip freeze | requirements.txt
  B. pip freeze > requirements.txt

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  pip freeze requirements.txt ile ilgili sel sonucu The most common command is pip freeze > requirements. txt , which records an environment's current package list into requirements. txt. If you want to install the dependencies in a virtual environment, create and activate that environment first, then use the Install from requirements.

• Question 420:

  What does a developer import in a script to parse a file from XML to Python?

  A. function
  B. library
  C. variable
  D. method
  B. library

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  To parse XML data in Python, a developer typically imports a library that provides the necessary functions and methods for XML parsing. Libraries for XML Parsing: Python has several libraries for parsing XML, such as xml.etree.ElementTree, lxml, and minidom. Functionality: These libraries offer functions and methods to read, manipulate, and extract data from XML files. Example: import xml.etree.ElementTree as ET tree = ET.parse('file.xml') root = tree.getroot() References: Python XML Parsing: Python XML Documentat