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Carlos Espinosa Technological Portfolio

    Carlos Espinosa Technological Portfolio

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    Category Archives: Network

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    Network Lab 3 – Advanced Security and Redundancy

    This lab implements a collapsed-core enterprise network with emphasis on security, redundancy, and high availability. Key technologies include HSRP, EtherChannel, Rapid-PVST+, OSPF, stateful firewalls, a DMZ zone, wireless controller integration, and comprehensive Layer 2 security. …

    Network Lab 3 – Advanced Security and Redundancy

    28 Oct, 2025 Home, Network Network
    Network Lab 2 – VLANs, Subnetting, Advanced Configuration

    Network segmentation using VLANs. Router-on-a-stick method, remote management configuration. DHCP server and PAT configuration. …

    Network Lab 2 – VLANs, Subnetting, Advanced Configuration

    28 Oct, 2025 Network Network
    Network Lab 1- Device Hardening and Initial Configurations

    Focus on device hardening and initial configurations of new devices within a network. …

    Network Lab 1- Device Hardening and Initial Configurations

    5 Oct, 2025 Network Network

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