Cisco 300-435 Dumps

Graphical user interface, text, application Description automatically generated

The get_config method from the ncclient library is used to retrieve the running configuration from a Cisco IOS XE device using NETCONF. The ‘running’ parameter specifies that the running configuration should be collected. References: (Automating Cisco Enterprise Solutions Official Cert Guide)

 To replace device configuration using RESTCONF with the Python library Requests, one would use the put() method. The put() method in HTTP is used to update an existing resource or create it if it does not exist. In RESTCONF, which operates over HTTP, using put() will replace the entire target configuration datastore with the payload specified in the request. References: Automating Cisco Enterprise Solutions Official Cert Guide

Operation Id: syncDevices

Description: Sync the devices provided as input

curl -L --request PUT \

--url /dna/intent/api/v1/network-device \

--header 'Accept: application/json' \

--header 'Content-Type: ' \

--data '{ "type": "COMPUTE_DEVICE" }'

AND

Operation Id: syncDevicesNetworkDevice

Description: Synchronizes the devices. If forceSync param is false (default) then the sync would run in normal priority thread. If forceSync param is true then the sync would run in high priority thread if available, else the sync will fail. Result can be seen in the child task of each device.

curl -L --request PUT \

--url /dna/intent/api/v1/network-device/sync \

--header 'Accept: application/json' \

--header 'Content-Type: ' \

--data '{}'

In Cisco DNA Center Operational Tool API, the Command Runner section of the intent API is designed to retrieve keywords accepted by CLI and enables execution of read-only commands on network devices. This feature allows administrators to retrieve real-time configuration data from devices without making any changes, aiding in monitoring and troubleshooting tasks. References: Automating Cisco Enterprise Solutions Official Cert Guide

The command boot ipxe forever switch 1 configures a Cisco IOS XE device to persistently attempt to boot using iPXE via DHCP until it successfully loads an image. References: (Automating Cisco Enterprise Solutions Official Cert Guide)

In Ansible, the ‘state’ parameter is used to specify the desired state of a resource on the target system. For configuring an NTP server on a Cisco IOS XE device, ‘state: present’ ensures that the NTP server with the specified IP address is configured on the device. The options ‘true’, ‘started’, and ‘installed’ are not valid states for this type of resource in Ansible. The ‘present’ state is used to ensure that an entity exists, which in this case refers to making sure that the NTP server configuration exists without authentication and logging.

References: Automating Cisco Enterprise Solutions Official Cert Guide

The dampening period setting used for an on-change publication in YANG-push versus Openconfig is ‘0’. This setting indicates that there is no dampening period, and changes are reported immediately. 

The Ansible playbook is designed to reset configurations on Cisco IOS XE routers. It includes tasks to remove Loopback1 and Loopback2 interfaces. The condition when: "'pod-2' in ansible_net_hostname" ensures that Loopback2 is only removed from routers with ‘pod-2’ in their hostname. Since pod-11 and pod-12 do not meet this condition, only Loopback1 is removed from them, which leads to the removal of IPv4 and IPv6 addresses for the Loopback1 interface on these routers. References: Automating Cisco Enterprise Solutions Official Cert Guide

 The ‘name’ parameter is essential as it defines the unique identifier for the network within the organization. The ‘type’ parameter determines the kind of network to be created, such as wireless or switch. These two parameters are crucial for the initial setup of a network using the Cisco Meraki API. References := (Automating Cisco Enterprise Solutions Official Cert Guide)

Table Description automatically generated

The primary function of the Cisco SD-WAN vManage Certificate Management API is to install signed certificates on network devices. This process is crucial for establishing trusted communications between devices managed via vManage. References := (Automating Cisco Enterprise Solutions Official Cert Guide)

• It is a device-independent method for automation and can be used with any type of device or operating system:
• It does not require any modules of software except SSH to be loaded on the network device:

Comprehensive and Detailed Step by Step Explanation:

• It is a device-independent method for automation and can be used with any type of device or operating system:
• It does not require any modules of software except SSH to be loaded on the network device:

References:

• Automating Cisco Enterprise Solutions Official Cert Guide
• Ansible Documentation

To construct this URL, one needs to understand REST API call structure and how it relates to Cisco SD-WAN vManage APIs specifically. The base URL starts with followed by ‘vmanage-ip-address’ which should be replaced with the actual IP address or hostname of vManage. ‘/dataservice/’ is a common prefix in all vManage REST API calls indicating that data service is being accessed. Following this, ‘/device/bfd/sessions/history’ specifies that we are interested in accessing historical data about Bidirectional Forwarding Detection sessions on devices. Finally, ‘?deviceId=’ is a query parameter where one must provide an actual device ID instead of ‘ ’ placeholder. References: ( Automating Cisco Enterprise Solutions Official Cert Guide )

 To create a new network called “Test” using the Meraki API, the correct URI is the one that uses the POST method to the endpoint that includes the organization ID but not a specific network ID. Therefore, option D is the correct answer. References := ( Automating Cisco Enterprise Solutions Official Cert Guide )

To insert the project into Git using the account python_programmer, one would need to initialize the local directory as a Git repository, add files to it, commit those files with an appropriate message, add a remote repository URL pointing to where the repository should be pushed on GitHub under python_programmer’s account, and finally push the changes up to that remote repository. Option A follows this process correctly: ‘git init’ initializes the local directory as a Git repository; ‘git add “device_status.py”’ stages changes; ‘git commit -m “Initial Revision”’ commits staged changes with message; ‘git remote add origin 6’ adds new remote repo; ‘git push -u origin master’ pushes committed changes up to GitHub. References: = Automating Cisco Enterprise Solutions Official Cert Guide

 Software-defined networks (SDNs) offer several advantages over traditional networks; one key advantage is their distributed management architecture. Unlike traditional networks where the control plane (which makes decisions about where traffic should be sent) and the data plane (which actually sends packets according to those decisions) are coupled on each networking device leading to potential single points of failure, SDNs separate these planes. This separation allows for centralized control with a global view of the network state while maintaining local data forwarding at each switch. This architecture enhances resilience as it can dynamically adjust and reroute traffic around failed nodes or congested paths without manual intervention. References := ( Automating Cisco Enterprise Solutions Official Cert Guide )

To access the hostname from the JSON data assigned to the variable “d”, one must navigate through the nested dictionaries and lists. The correct syntax in Python for accessing a dictionary is using square brackets with the key as a string. Therefore, ‘d[“data”]’ accesses the value associated with the key “data”, which is a list. ‘[0]’ accesses the first item in that list, which is another dictionary. Finally, ‘[“host-name”]’ retrieves the value associated with “host-name” from that dictionary. References: ( Automating Cisco Enterprise Solutions Official Cert Guide )

The yp:xpath-filter tag is used in YANG-push subscriptions to filter the YANG data model and specify which parts should trigger notifications, providing granular control over the data changes monitored. References := ( Automating Cisco Enterprise Solutions Official Cert Guide )

The Cisco SD-WAN vManage Certificate Management API allows administrators to create certificate signing requests (CSRs). These CSRs can be submitted to a Certificate Authority (CA) for signing, which is essential for secure communication within the SD-WAN deployment. References: = ( Automating Cisco Enterprise Solutions Official Cert Guide )

The correct Python snippet to receive a Meraki webhook request is the one that uses the @app.route decorator with the correct endpoint and accepts the POST method since webhooks typically send data using HTTP POST requests. In this case, Option D is set up to accept POST requests which align with how webhooks operate. References := ( Automating Cisco Enterprise Solutions Official Cert Guide )

It can be filtered using the searchBy query and it can be: MAC Address or Device Name value or UUID of the network device

 To create a Meraki webhook Python script that sends a message to Webex Teams, the programmer needs to configure the Webex Teams access token and the webhook server secret. The access token is necessary for authenticating with the Webex Teams API, allowing the script to send messages on behalf of a user or bot. The webhook server secret is used to secure communication between Meraki and the receiving server, ensuring that messages are not tampered with during transit. References: Automating Cisco Enterprise Solutions Official Cert Guide

To add legacy devices to the Cisco DNA Center platform, it is essential to update the trusted device profile and create device packages. These steps ensure that the legacy devices are recognized and managed correctly by the Cisco DNA Center. Updating the trusted device profile allows the platform to authenticate and trust the legacy devices, while creating device packages enables the platform to understand and interact with the specific features and capabilities of the legacy devices123. References := ( Automating Cisco Enterprise Solutions Official Cert Guide )

 When adding a device to a site using the Cisco DNA Center Sites API, you need to know the site identifier. If you only have the site name, you can retrieve the site identifier by making an API call to /dna/intent/api/v1/site. This call will provide you with the necessary information to properly add the device to the network.

References:

• Automating Cisco Enterprise Solutions Official Cert Guide

 In RESTCONF API calls, when specifying the content type in HTTP headers for requests or responses involving YANG-modeled data, ‘yang-data+json’ is used as part of the ‘Accept’ or ‘Content-Type’ headers to indicate that the message body contains JSON-encoded YANG-modeled data.

In this Python script using RESTCONF, ‘yang-data+json’ completes the highlighted areas because it specifies that JSON format is expected in response which conforms with YANG data modeling standards.

References: Automating Cisco Enterprise Solutions Official Cert Guide

The Meraki Location Scanning API is designed to provide location-based services. Mapping and wayfinding solutions are built using this API to help users navigate physical spaces, making options B and E the correct answers. References := ( Automating Cisco Enterprise Solutions Official Cert Guide )

 The Cisco SD-WAN vManage Troubleshooting Dashboard APIs capture various details during troubleshooting, including the connections summary. This summary provides an overview of all control connections from the vManage NMS to the vSmart controllers, WAN Edge routers, and vBond orchestrators in the overlay network. It displays the status of these connections, which is crucial during a network outage to identify and troubleshoot the cause of the issue.

References := Automating Cisco Enterprise Solutions Official Cert Guide, Cisco SD-WAN vManage Help - Dashboard3, Cisco Catalyst SD-WAN Monitor and Maintain Configuration Guide

 The statement ‘D’ is used to assign the list of interfaces from the JSON response to the variable ‘interfaces’. This allows the script to iterate over each interface and print the IP addresses of all loopback interfaces.

 To resolve the issue of end users not being able to connect to the network and poor signal strength with a missing or unknown APN status message, one should use the device/cellular/status vManage resource URI. This resource allows for checking the cellular interface’s status, including radio signal strength, which is crucial for maintaining a reliable connection. Ensuring that there is sufficient radio signal strength can help resolve connectivity issues and improve network performance. References: Automating Cisco Enterprise Solutions Official Cert Guide

To ensure that the consumer receives the telemetry data, it is crucial to define the destination where the telemetry data should be sent. This is accomplished by configuring the IP address of the receiver. Without this information, even if the Cisco IOS XE device accepts the configuration commands for a static telemetry subscription, it will not know the destination for the data, resulting in the consumer not receiving any telemetry data. References: Automating Cisco Enterprise Solutions Official Cert Guide