Category: 210-455
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Using the CLI Command APIs – Evaluate Cisco Automation and Orchestration Technologies
The Python programming language uses three APIs that can execute CLI commands. The APIs are available from the Python CLI module. You must enable the APIs with the from cli import * command. The arguments for these APIs are strings of CLI commands. To execute a CLI command through the Python interpreter, you enter the…
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Nexus First-Hop Security – Cisco Network Security
Information theft can result from router impersonation (man-in-the-middle attacks), address theft, address spoofing, and remote address resolution cache exhaustion (denial-of-service attacks). These security breaches can come from malicious or misconfigured users and can severely disrupt Layer 2 domains and networks in general. Nexus First-Hop Security (FHS) features enable better IPv4 and IPv6 link security and…
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Authentication, Authorization, and Accounting – Cisco Network Security
Authentication, Authorization, and Accounting (AAA) is a protocol used to secure access to a Cisco Nexus device. The AAA model answers three questions: 1. Who is on the network (authentication)? 2. What are they allowed to do on the network (authorization)? 3. What have they been doing on the network (accounting)? Authentication: Identifies users, including…
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USB Discovery Phase – Evaluate Cisco Automation and Orchestration Technologies
When POAP starts, the process searches the root directory of all accessible USB devices for the POAP configuration script file, configuration files, and system and kickstart images. If the configuration script file is found on a USB device, POAP begins running the configuration script. If the configuration script file is not found on the USB…
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Terraform Components – Evaluate Cisco Automation and Orchestration Technologies
Terraform uses a declarative approach to describe the desired state of the devices in configuration files. Then the configuration files are organized into an execution plan. The plan contains all the needed information regarding the devices and how to reach the desired state. Before a Terraform plan can be executed, it needs to be confirmed.…
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Python in Noninteractive Mode – Evaluate Cisco Automation and Orchestration Technologies
You can run a Python script in noninteractive mode by providing the Python script name as an argument to the Python CLI command. Python scripts must be placed under the bootflash or volatile scheme. A maximum of 32 command-line arguments for the Python script are allowed with the Python CLI command. To execute a Python…
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Cisco Automation and Scripting Tools Cisco HyperFlex Overview Cisco Network Security Orchestration Technologies Scripting Tools
