CCNA: Cisco Certified Network Associate — Question 1135

What is a characteristic of a Layer 2 switch?

Answer options

• A. responsible for sending data in a particular sequence
• B. maintains stateful transaction information
• C. makes forwarding decisions based on MAC addresses
• D. filters based on a transport layer protocol

Correct answer: C

Explanation

The correct answer is C because Layer 2 switches operate at the Data Link layer and use MAC addresses to make forwarding decisions. Options A and B are incorrect as they pertain to other layers or types of devices, and D is incorrect since Layer 2 switches do not filter based on transport layer protocols.