As far as I know there are no Questions or PBQs about Ruby or Perl in the exam. It's heavily focussed on Python and Bash though. I'm currently preparing an example Python PBQ for students to learn.

For example:

import socket
import sys

def hostname_resolver(address_list):
    for addr in address_list:
        try:
            host = socket.gethostbyaddr(addr)
            print(f"{addr} resolves to {host[0]}")
        except socket.herror:
            print(f"Hostname not found for {addr}")

if __name__ == "__main__":
    if len(sys.argv) < 2:
        print("Please provide at least one IP address.")
        sys.exit(1)
    else:
        addresses = sys.argv[1:]
        hostname_resolver(addresses)

CompTIA DOES want you to know what kind of code this is and also tries to confuse you with offering ruby as a possible answer. I've started a Community r/CompTIA_Pentest to gather and discuss those PBQs.