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. Hub
B. Switch
C. Router
D. Bridge
Answer: Option A
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:
127.0.0.1 is the standard loopback address. It lets a device route diagnostic traffic back through its internal software layer without hitting physical network lines.
What happens on a shared Ethernet network using a Bus Topology layout if a data frame reaches either extreme physical endpoint without encountering a terminator component?
A.The data frame loops back through the local host interface automatically.
B.The data frame is safely archived on the primary server.
C.The signal bounces back along the cable, creating interference that corrupts ongoing network traffic.
D.The signal transforms into an analog wave profile.
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