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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...

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...

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...

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...

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...

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...

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 ...

This process will erase user data so please make a backup before continuing with the procedures below. Mi Unlock tool does not work with Redmi A1 because there is no way to bind Mi account (there is just no option on the menu to add Mi account). If you try to...

This tutorial should be followed after unlocking bootloader. According to Magisk installation instructions here, the bootloader must be unlocked. Introduction For this tutorial I am assuming the OS used is MIUI latest version after having unlocked the bootlo...

Factory reset  I will do the factory reset from official recovery. To do this I have to enter first the recovery mode. From MIUI and with USB debugging enabled and phone connected to PC, I enter this command on PC: abd reboot fastboot The phone reboots to f...