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The option that allows you to view network configuration in a human-readable format is correct because both "ip a" (short for "ip address") and "ifconfig" are commands that retrieve and display the current configuration of network interfaces on a Linux system.

The "ip a" command provides detailed information about all network interfaces, including IP addresses, link layer addresses, and interface statuses in a clear and organized manner. Similarly, "ifconfig," although considered somewhat outdated and replaced by "ip," still provides a readable output showing the state of network interfaces, including their assigned IP addresses and other relevant details.

The other options do not serve the purpose of displaying network configuration. For instance, "ls -l" is a command used to list directory contents with detailed file information, which is unrelated to network settings. The command "net config" is not a standard command for viewing network configurations in Linux; this might refer to network configuration commands in other operating systems, such as Windows. "show ip" is not valid in Linux, as it is often associated with the Cisco IOS command set for routers and switches, not for Linux network management.