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CCNA Security
Covers skills to secure Cisco networks, including device hardening, VPNs, firewalls, and threat mitigation.
Automation and Programmability
CCNA Voice
This certification validates the ability to implement and manage Cisco voice networks, including IP telephony, call control, and VoIP protocols. The following chapters present the CCNA Voice Lab Manual by Brent Sieling lab by lab. Additional sources: How to...
Practice
Pasos para instalar LineageOS 19.1 (miatoll) en Xiaomi Redmi Note 9 Pro (joyeuse)
El primer paso es tener el bootloader desbloqueado. Sin esto no se puede hacer NADA. Hay que hacerlo con la herramienta oficial de Xiaomi (Mi Unlock Tool). Seguir esta guía de Xiaomi: Complete Guide to Unlocking the Bootloader: Announcement, Troubleshoot and...
CCNP Enterprise: Advanced Routing
Focuses on advanced routing and switching solutions, including Layer 3 VPNs, redistribution, and network troubleshooting in enterprise environments.
Mantenimiento
Wireless LANs fundamentals
Wireless LAN Topologies Wireless communication takes place over free space through the use of RF signals. The transmitter can contact the receiver at any and all times, as long as both devices are turned to the same frequency (or channel) and use the same sch...
Analyzing Cisco Wireless Architectures
The architectures: Autonomous AP architecture Cloud-based AP architecture Split-MAC architectures Autonomous AP architecture Autonomous APs offer one or more fully functional, standalone BSSs. They are also a natural extension of a switched networ...
Securing Wireless Networks
Authentication To use a wireless network, clients must first discover a basic service set (BSS) and then request permission to associate with it. Clients should be authenticated by some means before they can become functioning members of the wireless LAN. Gue...
Building a Wireless LAN (teoría sobre WLCs + LAPs; split-MAC)
Introduction The AP maps each VLAN to a WLAN and BSS. The autonomous AP has a single wired Ethernet interface, which means that multiple VLANs must be brought to it over a trunk link. A LAP also has a single wired Ethernet interface; however, it must be p...
Cisco Unified Communications 500 Series for Small Business (UC500)
IPv4 Subnetting
Analyze Subnetting and Addressing Needs Which hosts should be grouped together into a subnet? Addresses in the same subnet are not separated by a router. Addresses in different subnets are separated by at least one router. Note that the point-to-po...
Cisco ASA 5500 Series
IPv4 addressing
IPv4 address structure An IPv4 address is a 32-bit hierarchical address that is made up of a network portion and a host portion. When determining the network portion vs. the host portion, you must look at the 32-bit stream. The bits within the network po...
Introduction to Networks (v6 + v7)
Routing and Switching Essentials (v6)
Anexo - Backups
Se sigue la guía: https://www.bookstackapp.com/docs/admin/backup-restore/ Para hacer un backup de la BBDD de contenidos (estanterías, libros, paginas): sudo su mysqldump -u root -p bookstack > bookstack.backup.sql A continuación quedaría hacer una copia ...