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ccna book todd lammle pdf.Tab keys to complete partial commands.The help key (?) that follows the command. ) oUnlike ISR, ASA can perform the following functions.Executes any ASACL1 command without regard to the current configuration mode prompt. So the do command in IOS is not required and is not recognized.When help is entered and followed immediately by the command, a brief description of the command and the command syntax are provided; for example, entering help reload,will display the command syntax, description, and supported parameters for reload. Use Q to interrupt the show command output. While IOS requires the use of Ctrl+C(AC)ONote: The security appliance will use ROMMON mode (read-only memory monitoring mode) when the security appliance cannot find the boot image or when the administrator forces the appliance into ROMMON. In ROMMON mode, the administrator can use a TFTP server to load the system image to the security device. ROMMON mode can also be used to recover the system password.9.2.1.2 Default Configuration of the ASAThe ASA5505 comes with a default configuration that is sufficient for basic SOHO deployments in most cases.9.2 ASA Firewall Configuration 261 This configuration includes two pre-configured VLAN networks: VLAN 1 and VLAN 2. VLAN 1 is used as the internal network while VLAN 2 is used as the external network. The internal interface provides both DHCP addressing and NAT features. Clients on the internal network obtain dynamic IP addresses from the ASA, which allow them to communicate with each other and access devices on the Internet±. Specifically, the ASA5505 is factory configured by default as follows.