The ‘show interface’ command displays the status of network interfaces on a device.

The ‘route’ command modifies the routing table on a device.

The ‘netstat’ command displays active network connections and listening ports on a device.

The ‘nslookup’ or ‘dig’ command queries DNS servers to find the IP address associated with a domain name.

The ‘tcpdump’ command captures packets transmitted over a network.

A Terminal emulator is used to connect to and interact with remote devices using text-based commands.

The ‘ipconfig’ command displays the IP configuration of a device on Windows.

The ‘traceroute’ or ‘tracert’ command traces the path packets take from one network device to another.

An IP scanner scans a network to identify all active devices and their IP addresses.

The ‘nmap’ command scans networks to discover hosts and services.

The ‘telnet’ command allows remote access to another device using the Telnet protocol.

NetFlow analyzers are used to collect and analyze flow data from network devices.

The ‘arp’ command displays the MAC address table of a network device.

The ‘hostname’ command displays the hostname of the device.

The ‘ping’ command is used to test network connectivity between two devices.

The ‘show config’ command displays the current configuration of a network device.

The ‘show route’ command displays the routing table on a network device.

A Trivial File Transfer Protocol (TFTP) server is a simple way to transfer files over a network without requiring complex configuration.

A WiFi analyzer is used to measure the signal strength and quality of a wireless network.

iperf is used for active network performance measurement.

A Port scanner can scan a network to find open ports on devices.

A Bandwidth speed tester is used to measure the data transfer speed of a network.

A Protocol analyzer/packet capture tool captures and analyzes packets to diagnose network issues.