Answer:
DHCP
Explanation:
The only option can give IP addresses is the DHCP The Dynamic Host Configuration Protocol, because the DNS (Domain Name System) only translates IP addresses to a hostname, and WPS (Wi-Fi Protected Setup) or WPA (Wi-Fi Protected Access) if for security network, doesn't matter if is a wireless router, in a network always DHCP gives the IP addresses.
That is encryption. Encrypted files usually have a password assigned. In order to decrypt the file, you need to have the password.
If you include all zeroes, then it should be 1,000,000,000. Otherwise it’s 999,999,999.
Think of how between 0-9 theres 10 numbers, and use that logic towards 000000000-999999999