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ccna top institute in delhi.There are a number of ways to access and configure Cisco devices, including:. Console ports.. Auxiliary ports (available only on some Cisco products).. Telnet ;. Secure Shell ( SSH); .Web browser; .SNMP management workstation .. Cisco Configuration Professional ( CCP ) ;. Cisco Prime oThe console port provides a serial connection to the Cisco devices: when accessed through the console port, commands can be entered in text-based mode. However, to manage Cisco devices from remote workstations, you first need to create a basic configuration, including IP addressing, on those devices. And to perform the initial configuration, the Cisco devices must be accessed through the console port.To configure a Cisco device, you must connect it to the network and establish a terminal connection through the console port as described in the "Console Connection" section. The Cisco device will go through the following three steps in the boot process. 1. Perform a hardware check.Locate and load the IOS. 3. Locate and execute the device's configuration file. After the Cisco device is powered on, it performs hardware checks to make sure that the hardware is functioning correctly. These checks are called Power-On Self-Tests (POST) and will be performed indiscussed in Chapter 11 (Switches) and Chapter 15 (Routers). After these checks are complete, the Cisco device will find and load the IOS, and once loaded, the IOS will find and execute the device's configuration. In steps 2 and 3, if no IOS or configuration file is found, the Cisco device will take the next best thing.