Which hardware device works at Layer 1 of the OSI model to repeat network traffic across all ports, making all connected hosts share a single collision domain? MCQ with Answer and Explanation
Which hardware device works at Layer 1 of the OSI model to repeat network traffic across all ports, making all connected hosts share a single collision domain?
A. Router
B. Hub
C. Switch
D. Bridge
Answer: Option B
Solution (By JKSSB Mock Tests)
A network hub acts as a simple Layer 1 repeater, broadcasting incoming data to all connected ports and placing them in a single collision domain.
Explanation:
Switches inspect incoming frames at Layer 2, using an internal MAC address table to forward data directly to the target port rather than broadcasting it to all ports.
No comments yet. Be the first to start the discussion!