Free CompTIA Network+ N10-009 Practice Question

During a network troubleshooting session, a network engineer notices that the expected IP address allocation via DHCP is not occurring for new client devices. Assuming the DHCP server is operational and correctly configured, which of the following port filtering scenarios could most likely be responsible for this issue?

  • The firewall is blocking TCP ports 80 and 443

  • TCP port 22 filtering is enabled on the client side

  • UDP port 53 is closed on the server

  • The firewall is blocking UDP ports 67 and 68

This question's topic:
CompTIA Network+ N10-009 / 
Networking Concepts
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