ccna certification latest version

ccna certification latest version.Use the noservicepassword-encryption command to disable the password encryption function. However, the encrypted passwords cannot be restored to plaintext and will continue to exist in ciphertext. After the encryption service is canceled, the subsequent configured passwords will exist in plaintextRl#show running-config | include enable password enable password 7 02050D4808095E731FAfter turning on the password encryption service, the password set by enable password command is stored in cipher text.You can use software (such as SolarWinds Router Password Decryption software) or an online website..40.Cisco Networking Lab CCNA Lab Guide (Version 2) (http://www.firewall.cx/cisco-technical-knowledgebase/cisco-routers/358-cisco-type7-password-crack.html) decrypts the password with encryption services enabled, as shown in Figure 3.7, while the password configured by the enable secret command is irreversible.Figure 3.7 Decrypting the password with encryption service on through software or online websiteRl(config)#login block-for120 attempts 3 within 30 If all 3 attempts fail within 30 seconds, login is blocked for 120 secondsR1 (config)#line con 0// Enter console linear mode R1 (config-line)#pa3sword cisco 123 Configure password for login from console Rl(config-line)#login Enable password check when login from console, only password is required at this time, if followed by localRl(config-line)#logging synchronous// Prevents the system from popping up logging messages that affect user input, after configuring this command, when the system pops up logging messages, the current command will be copied to the next line Rl(config-line)#exec-time line)#exec-timeout 5 0 Configure the timeout of the login session to automatically exit the login after the timeout.