Community QuestionSeen on 7 CBTs

DHCP (Dynamic Host Configuration Protocol)

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Answer

tcp/389 Store and retrieve information in a network directory Commonly used in Microsoft Active Directory

3 of 7 indexed CBT versions give this answer·Answer index rebuilt Aug 16, 2026

The indexed versions don't agree on this one

This question appears on 7 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.

3 of 7 versionsmost versions

tcp/389 Store and retrieve information in a network directory Commonly used in Microsoft Active Directory

Comptia A+ Course Notes · Comptia A+ Notes · Comptia Notes

1 of 7 version

Automated configuration of IP address, subnet mask and other options udp/67, udp/68 Requires a DHCP server Server, appliance, integrated into a SOHO router, etc. Dynamic / pooled IP addresses are assigned in real-time from a pool Each system is given a lease and must renew at set intervals DHCP reservation Addresses are assigned by MAC address in the DHCP server Quickly manage addresses from one location

Dr Messer Comptia

1 of 7 version

port numbers in the range of 1-1024 that identify network applications that are well known such as web, email, and remote login applications

Mike Meyers Comptia Videos

1 of 7 version

udp/67, udp/68, requires a DHCP server, dynamic/pooled IP addresses are assigned in real time from pool, each system is given a lease and must renew at set intervals, resevations are assgned

Professor Messer Network Plus

1 of 7 version

67/68

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