You work as the Network Administrator for McNeil Inc. The company has a Unix-based network. You want to query an image root device and RAM disk size. Which of the following Unix commands can you use…

The rdev command directly reads or modifies kernel image parameters including the root block device and RAM disk size, making it the correct tool for querying image root device and RAM disk configuration without needing to recompile the kernel.

The mount command attaches filesystems to directory tree mount points at runtime and does not query kernel image parameters such as RAM disk size or root device settings.

The setfdprm command is used to set floppy disk parameters such as geometry and type, and has no relation to kernel image root device or RAM disk configuration.

The rdump command is used to perform remote filesystem backups over a network connection, and is unrelated to querying kernel image device or RAM disk settings.