This LPIC-2 practice question tests your understanding of network client management. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which directive in dhcpd.conf sets the maximum lease time?
option lease-time
Why wrong: Used to set lease time as an option, not a global directive.
default-lease-time
Why wrong: Sets the default lease time, not maximum.
lease-time
Why wrong: Not a valid directive in dhcpd.conf.
max-lease-time
Correct directive for maximum lease time.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
max-lease-time
Option D is correct because the `max-lease-time` directive in `dhcpd.conf` explicitly sets the maximum lease time (in seconds) that the DHCP server will assign to a client, overriding any client request for a longer lease. This ensures the server enforces an upper bound on lease duration, preventing clients from monopolizing IP addresses indefinitely.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
option lease-time
Why it's wrong here
Used to set lease time as an option, not a global directive.
default-lease-time
Why it's wrong here
Sets the default lease time, not maximum.
lease-time
Why it's wrong here
Not a valid directive in dhcpd.conf.
max-lease-time
Why this is correct
Correct directive for maximum lease time.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse `default-lease-time` (the fallback when no client request is made) with `max-lease-time` (the absolute ceiling), or assume that lease time is set via an `option` statement similar to other DHCP options like `option subnet-mask`.
Detailed technical explanation
The `max-lease-time` directive enforces an upper bound on the lease duration requested by the client via the DHCPREQUEST message, as defined in RFC 2131. If a client requests a lease longer than `max-lease-time`, the server silently reduces it to the configured maximum. In real-world scenarios, setting `max-lease-time` too high can lead to address exhaustion on busy subnets, while setting it too low increases DHCP traffic and client reconfiguration overhead.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the LPIC-2 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Network Client Management — This question tests Network Client Management — Read the scenario before looking for a memorised answer..
The correct answer is: max-lease-time — Option D is correct because the `max-lease-time` directive in `dhcpd.conf` explicitly sets the maximum lease time (in seconds) that the DHCP server will assign to a client, overriding any client request for a longer lease. This ensures the server enforces an upper bound on lease duration, preventing clients from monopolizing IP addresses indefinitely.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This LPIC-2 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the LPIC-2 exam.
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