Cisco 200-901 Practice Test - Questions Answers, Page 42

The HTTP status code 201 (Created) indicates that a request has been fulfilled and resulted in a new resource being created.

201 Created: This status code is used when a new resource is successfully created as a result of a POST request.

Use Case: Commonly returned in response to a POST request that adds a new item to a collection.

HTTP Status Codes: HTTP Status Code 201

Ansible is a powerful automation tool used for IT tasks such as configuration management, application deployment, and task automation. In the context of the exhibit, Ansible can be used to automate the removal of a Cisco Meraki device from the network and retrieve device information.

Device Management: Ansible modules, such as the meraki_device module shown in the exhibit, allow for the management of Meraki devices. Tasks can include querying device information and changing the state of the device.

Automation with Playbooks: The Ansible playbook in the exhibit demonstrates how to authenticate, define the organization and network, and manage the device state (query or absent).

Task Execution: The playbook is structured to perform tasks using a loop (with_items) to execute actions such as querying device details and removing the device (absent state).

Ansible Documentation for Meraki Modules: Ansible Meraki Modules

Rate limiting is a technique to control the rate of incoming and outgoing traffic to or from a network. If rate limiting is not implemented, excessive API requests can overwhelm the server, causing long response times and abandoned requests.

Abandoned Requests: When a server is overwhelmed with too many requests, it may not process them all, leading to abandoned requests.

Long Response Times: Without rate limiting, the server might be handling more requests than it can efficiently process, resulting in delayed responses.

Solution: Implementing rate limiting ensures that the server processes requests at a manageable rate, improving performance and reliability.

Rate Limiting and API Performance: Understanding Rate Limiting

The control plane in a network device is responsible for routing and signaling. Protocols such as BGP (Border Gateway Protocol) and OSPF (Open Shortest Path First) are integral to the control plane.

BGP (Border Gateway Protocol): BGP is used for exchanging routing information between autonomous systems on the internet, making it a crucial control plane protocol.

OSPF (Open Shortest Path First): OSPF is an interior gateway protocol used for routing within an autonomous system, also part of the control plane.

BGP and OSPF Protocol Details: BGP, OSPF

Nonlinear development in a version control system like Git allows developers to work on different parts of the project independently and simultaneously. This approach provides several advantages:

Independent Workflows: Developers can work on different features or bug fixes without interfering with each other's work.

Parallel Development: Multiple branches enable parallel development, where teams can develop, test, and merge features separately.

Efficient Collaboration: Changes can be reviewed, tested, and merged systematically, improving collaboration among remote teams.

Git and Nonlinear Development: Understanding Git Workflow

The exhibit shows an XML configuration using NETCONF (Network Configuration Protocol) to edit the configuration of a network device. Specifically, the <edit-config> operation is being used with the nc:operation='delete' attribute within the <interface> element. This means that the configuration is intended to delete specific configurations related to the interface named FastEthernet0/0/3.9.

Here is the detailed explanation:

The <rpc> element initiates a remote procedure call.

The <edit-config> element specifies the operation to be performed.

The <target> element with <running> indicates that the changes are to be made to the running configuration.

The <config> element contains the configuration data to be applied.

Within <interfaces>, the <interface> element with nc:operation='delete' specifies that the interface configuration for FastEthernet0/0/3.9 is to be deleted.

This configuration does not affect all device configurations or shut down the device but deletes the specified interface configuration.

Cisco DevNet Associate Certification Guide

RFC 6241 - Network Configuration Protocol (NETCONF)

Cisco DevNet Associate Certification Guide

Python Requests Library Documentation

Cisco DevNet Associate Certification Guide

GitLab CI/CD Documentation

The exhibit shows the router configuration for NAT (Network Address Translation). To allow traffic from the security cameras to access the Internet, the access list needs to include a permit statement for the 192.168.10.0/24 subnet.

Access List Configuration: The access list (ACL) should permit traffic from the security camera VLAN (192.168.10.0/24).

NAT Configuration: The NAT configuration uses an ACL to determine which internal IP addresses are translated to the public IP address pool.

Missing Permit Statement: Without a specific permit statement for the 192.168.10.0/24 subnet, the router does not translate the IP addresses from this subnet, resulting in a lack of Internet access for the security cameras.

Cisco NAT Configuration Guide: NAT Configuration