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Which network device plane is responsible for handling QoS?
The data plane, also known as the forwarding plane, is responsible for handling the actual movement of packets through the network device, including Quality of Service (QoS). QoS involves managing and prioritizing network traffic to ensure that critical applications receive the necessary bandwidth and performance levels. The data plane processes and forwards data packets based on the policies set by the control plane.
Cisco DevNet Associate Certification Guide
Cisco Networking Essentials, Chapter on Network Device Planes
Refer to the exhibit.
What is the result of executing this Ansible playbook?
The Ansible playbook provided in the exhibit performs the following tasks:
Uses the ios_command module to issue the show conf command on the CISCO_ROUTER_01 device.
Registers the output of the command into the variable config.
Copies the content of config.stdout[0] (the first line of the command output) to a file in /etc/ansible/configs/.
This sequence of tasks effectively backs up the running configuration of the router by capturing the current configuration output and saving it to a file.
Ansible ios_command Module
Ansible Playbook Basics
A team of developers is responsible for a network orchestration application in the company. The responsibilities also include:
developing and improving the application in a continuous manner
deployment of the application and management of CI/CD frameworks
monitoring the usage and problems and managing the performance improvements
Which principle best describes this DevOps practice?
The principle that best describes the DevOps practice outlined in the question is 'end-to-end responsibility'. In DevOps, teams are responsible for the entire lifecycle of the application, including development, deployment, continuous integration/continuous delivery (CI/CD), monitoring, and performance improvements. This holistic approach ensures that the same team manages all aspects of the application's lifecycle, leading to better collaboration, faster deployment cycles, and improved overall quality and reliability of the software.
Cisco DevNet Associate Certification Guide
DevOps Handbook: How to Create World-Class Agility, Reliability, & Security in Technology Organizations
Refer to the exhibit.
What is the value of the node defined by this YANG structure?
The YANG structure shown defines a leaf IPPeer that can be either an IPv4 address or an IPv6 address. The third JSON example correctly represents this union type by using an array with both possible types included:
'IPPeer': [
'10.1.1.1',
'2001:db::1'
]
}
This correctly reflects the YANG definition, where IPPeer can be either type specified in the union.
YANG - Data Modeling Language
Cisco YANG Models
Which device is used to transport traffic from one broadcast domain to another broadcast domain?
A router is a network device that routes traffic between different broadcast domains and subnets. Routers operate at the network layer (Layer 3) of the OSI model and use IP addresses to make forwarding decisions. They are responsible for determining the best path for data packets to travel across interconnected networks, ensuring that traffic is correctly directed from one broadcast domain to another.
Cisco Router Basics
Broadcast Domains and Routers
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