Which network device operates at the Data Link Layer (Layer 2)?
ASwitch
BRepeater
CHub
DRouter
Explanation
• A switch uses MAC addresses to forward data to specific devices.
• Unlike a hub, it reduces unnecessary network traffic.
• Routers operate at the Network Layer (Layer 3).
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC/NTS Past Papers

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