11.3 Basic Network Performance - CCNA1: Chapter 11- It’s a Network Part 3

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Identify the devices and protocols used in a small network
Explain how a small network serves as the basis of larger networks.
Describe the need for basic security measures on network devices.
Identify security vulnerabilities and general mitigation techniques.
Configure network devices with device hardening features to mitigate security threats.
Use the output of ping and trace commands to establish relative network performance.
Use basic show commands to verify the configuration and status of a device interface.
Use the basic host and IOS commands to acquire information about the devices in a network.
Explain the file systems on routers and switches.
Apply the commands to back up and restore an IOS configuration file.