Networking
Cisco 300-715: Guest Access & BYOD with ISE
Cisco ISE handles guest access and bring-your-own-device onboarding as two related but distinct identity problems. Guest access is designed to…
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Cybersecurity
Cisco 300-715: ISE TrustSec and Security Group Tags
Cisco TrustSec changes segmentation from an address-centric problem into an identity and group-policy problem. Cisco ISE can classify users, endpoints,…
Networking
Cisco 300-715: ISE Posture Assessment
Cisco Identity Services Engine posture assessment adds endpoint compliance to network access control. Authentication can prove who a user or…
Cybersecurity
Cisco 350-601: VXLAN EVPN Fundamentals in Cisco Data Centers
VXLAN EVPN separates a data-center network into an IP underlay and a virtual overlay. The underlay gives loopback and VTEP…
Infrastructure & Systems
Cisco 350-601: Data Center Redundancy with vPC
Virtual Port Channel (vPC) lets a downstream device form one logical port channel to two separate Cisco Nexus switches. The…
Networking
Cisco 350-601: ACI Policy Model
Cisco Application Centric Infrastructure (ACI) manages the data center through an object-based policy model. Instead of configuring every forwarding decision…
Networking
Cisco 200-901: YANG Data Models for Network Engineers
YANG gives network automation a schema for the data a device exposes. Instead of treating configuration as an arbitrary block…
Cybersecurity
Cisco 200-901: Secure API Authentication for Network Tools
Network APIs can expose the same authority that engineers once exercised through privileged command-line sessions, so authentication deserves the same…
Software Development
Cisco 200-901: Python for Network Automation APIs
Python is effective for network automation because it can connect API calls, data transformation, validation, file handling, testing, and reporting…