Run privileged commands within global config mode

Beginning with the IOS 12.3, the privileged-exec mode commands (such as show running-configuration, show interface status, etc.) can be executed within the global configuration mode and its submodes. This allows you to execute privileged-exec mode commands without needing to exit the current configuration mode. Here is an example that explains the usefulness of this feature:

ios command not found

In the example above you can see that we’re currently in the interface submode. We want to get more information about the interface with the show interface Fa0/1 command, but we got an error because the command is not available in this mode. However, if we use the do keyword in front of the command, the command will succeed:

do command

The command was now executed because of the do keyword. Notice that we’re still in the interface submode and we can continue with the interface configuration.

Prerequisites for 200-301

200-301 is a single exam, consisting of about 120 questions. It covers a wide range of topics, such as routing and switching, security, wireless networking, and even some programming concepts. As with other Cisco certifications, you can take it at any of the Pearson VUE certification centers.

The recommended training program that can be taken at a Cisco academy is called Implementing and Administering Cisco Solutions (CCNA). The successful completion of a training course will get you a training badge.

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