Since the switch supports only 10Gbps per port, achieving 40Gbps throughput requires link aggregation (LACP), which combines multiple 10Gbps links into one logical interface for higher bandwidth.
Breakdown of Options:
A. 802.1Q tagging – VLAN tagging helps segment traffic but does not increase throughput.
B. Jumbo frames – Jumbo frames reduce overhead but do not increase bandwidth.
C. Half duplex – Half duplex restricts communication, reducing performance instead of improving it.
D. Link aggregation – Correct answer. LACP combines multiple 10Gbps links to provide a 40Gbps connection.
[Reference:, CompTIA Network+ (N10-009) Official Study Guide – Domain 1.2: Compare and contrast network topologies and technologies., IEEE 802.3ad: Link Aggregation Control Protocol (LACP), , , , ]
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