Assertion A: Hubs do not manage any of the traffic that comes through them.
Reason R: Hubs are sophisticated routing devices.
In the light of the above statements, choose the most appropriate answer from the options given below
This question asks us to evaluate two statements about network hubs: Assertion A regarding traffic management and Reason R concerning their nature as routing devices.
Assertion A states that hubs do not manage traffic. This is correct. Hubs operate at the Physical Layer (Layer 1) of the OSI model. They function as simple signal repeaters, receiving incoming data packets on one port and broadcasting them out to all other connected ports without inspecting or managing the traffic content or destination.
Reason R claims that hubs are sophisticated routing devices. This statement is incorrect. Hubs are basic networking devices, essentially multi-port repeaters. They lack the intelligence to make decisions about traffic flow. Sophisticated routing is performed by devices like routers (Layer 3), which analyze network addresses (like IP addresses) to determine the best path for data packets. Even switches (Layer 2) are more advanced than hubs, as they learn MAC addresses and forward traffic only to the intended destination port.
Based on the analysis:
Therefore, the correct option is the one stating that Assertion A is correct, but Reason R is not correct.
| LIST-I | LIST-II |
|---|---|
| A. Alkaline Earth metals | I. s - block |
| B. Transition Elements | II. p - block |
| C. Transuranic Elements | III. d - block |
| D. Metalloid | IV. f - block |