Multiple choice

Every computer connected to an intranet or extranet must have a distinct _____

  1. firewall

  2. proxy server

  3. IP address

  4. domain name

  5. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Every device on an intranet or extranet must have a unique IP address to be identified and communicate properly. Firewalls protect networks, proxy servers intermediate requests, and domain names provide human-readable addresses, but IP addresses are the fundamental unique identifiers required for network connectivity.