Question 331 of 507
LPIC-2 Advanced Networking Configuration Practice Question
A company requires link aggregation between a Linux server and a switch to increase throughput and provide redundancy. The switch supports only standard 802.3ad (LACP). Which bonding mode should be configured on the Linux server?
⚠ Common exam trap
Candidates often confuse mode=0 (balance-rr) or mode=2 (balance-xor) as being compatible with 802.3ad, but only mode=4 implements the actual LACP protocol required by the standard.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
mode=4 (802.3ad)
Mode=4 (802.3ad) implements the IEEE 802.3ad standard for Link Aggregation Control Protocol (LACP). This mode requires the switch to support LACP, which the scenario states, and provides both increased throughput through load balancing and redundancy through automatic failover if a link fails.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
mode=2 (balance-xor)
Why it's wrong here
May work but not standard 802.3ad; could cause packet misordering.
- ✗
mode=1 (active-backup)
Why it's wrong here
Provides only redundancy, no load balancing.
- ✗
mode=3 (broadcast)
Why it's wrong here
Transmits on all slaves, suitable only for specific use cases.
- ✗
mode=0 (balance-rr)
Why it's wrong here
Requires switch support for link aggregation, often proprietary.
- ✓
mode=4 (802.3ad)
Why this is correct
Standard LACP mode for switch configuration.
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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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