300-635 Exam Dumps - Automating Cisco Data Center Solutions (DCAUTO)

Cisco Intersight REST API requires a secure authentication process that involves creating a SHA256 hash of the message body and headers. This ensures that the message integrity is maintained and verifies that the message has not been tampered with during transit. Even if the message body is empty, a SHA256 hash is still required. Additionally, the use of RSA private keys enhances security, but the specific key size requirement was not mentioned in the provided resources6

Step 1 : The switch searches for a Domain Host Configuration Protocol service on the network

Step 2 : DHCP assigns the switch an IP Address, default gateway, and IP address that are tracked by the Domain Name System server.

Step 3 : POAP gets the IP address of a script server, downloads the correct script for the switch, and runs the script on the switch.

Consistency of Systems Configuration: Network configuration tools like Ansible and Puppet ensure that configurations across multiple devices in a data center are uniform. This consistency reduces the risk of errors that can occur when configurations are applied manually, leading to a more stable and reliable network infrastructure12.

Automation of Repetitive Tasks: These tools automate routine tasks such as deploying updates, applying configurations, and provisioning systems. By automating these tasks, data center operations become more efficient, reducing the time and effort required for manual configuration and increasing productivity

Reference : https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-director/rest-api-cookbook/6-6/cisco-ucs-director-REST-API-cookbook-66/cisco-ucs-director-REST-API-cookbook-66_chapter_010.html

The correct command to execute a Python script within the Guest Shell container on a Cisco NX-OS switch is guestshell run, followed by the path to the Python script. In this case, the script deltacounters.py is located in /home/admin/, so the full command would be guestshell run python /home/admin/deltacounter.py ethernet1/1. This command initiates the Guest Shell, which is a secure, Linux-based environment designed to run custom Linux applications, including Python scripts, on Cisco NX-OS platforms. By specifying python after guestshell run, we are instructing Guest Shell to use its Python interpreter to execute the given script with ‘ethernet1/1’ as an argument passed to it.

References:

Cisco Guest Shell Configuration Guide

Implementing Automation for Cisco Data Center Solutions (DCAUI)

In Cisco NX-OS platforms, two common bootstrap technologies are supported: iPXE (Internet Protocol eXtensible Environment) and POAP (PowerOn Auto Provisioning). iPXE allows for network booting using software such as DHCP or TFTP to load an operating system over a network interface independently of data storage devices like hard disks or CD-ROM drives. POAP automates the process of upgrading software images and installing configuration files on switches that are being deployed in the network for the first time. References := Cisco NX-OS Software