CompTIA Network+ (N10-008) — Question 849

Which of the following is the primary function of the core layer of the three-tiered model?

Answer options

• A. Routing
• B. Repeating
• C. Bridging
• D. Switching

Correct answer: D

Explanation

The core layer's primary purpose is to provide high-speed switching capabilities to facilitate efficient data transfer across the network. While routing, repeating, and bridging are important functions, they are not the main focus of the core layer, making 'Switching' the correct answer.