I hope all is well. The basic idea behind the CEH Practical exam, is to create a Live Fire environment where a CEH candidate will be given a series of time-limited tasks, or scenarios, that they have to execute on or figure out, and do so by actually doing things, as opposed to just answering questions about the theory of doing some particular thing.
The coverage area(s) for the practical approximate the same coverage areas as the CEH exam itself, as noted below:
CEH (Practical) Credential Holders should be able to:
Demonstrate the understanding of attack vectors
Perform network scanning to identify live and vulnerable machines in a network.
Perform OS banner grabbing, service, and user enumeration.
Perform system hacking, steganography, steganalysis attacks, and cover tracks.
Identify and use viruses, computer worms, and malware to exploit systems.
Perform packet sniffing.
Conduct a variety of web server and web application attacks including directory traversal, parameter tampering, XSS, etc.
Perform SQL injection attacks.
Perform different types of cryptography attacks.
Perform vulnerability analysis to identify security loopholes in the target organization’s network, communication infrastructure, and end systems etc.
I hope that helps to at least get you started off in the right direction.
Good Luck !!!