CCNA: Cisco Certified Network Associate — Question 865

What provides connection redundancy, increased bandwidth, and load sharing between a wireless LAN controller and a Layer 2 switch?

Answer options

• A. first hop redundancy
• B. VLAN trunking
• C. tunneling
• D. link aggregation

Correct answer: D

Explanation

The correct answer is D, link aggregation, as it combines multiple network connections to increase throughput and provide redundancy. Options A, B, and C do not specifically address the combination of redundancy, increased bandwidth, and load sharing, which are the key benefits of link aggregation.