Prof. Sarita Gupta

Question

**Assertion (A):** Star topology is a network topology in which each network component is physically connected to a central device such as a router, hub or switch.
**Reason (R):** Failure of one node will affect whole network in star topology. A). Both A and R are true and R is the correct explanation for A B). Both A and R are true and R is not the correct explanation for A C). A is True but R is False D). A is false but R is True

Edvaya · Accepted Answer

The correct answer is Both A and R are true and R is not the correct explanation for A. **Assertion (A) is True:** It correctly describes the physical layout of a Star Topology. **Reason (R) Evaluation:** Generally, in a star topology, if a standard client node fails, the rest of the network remains unaffected. However, if the "node" refers to the central hub/switch itself, its failure *does* take down the entire network. Based on the provided marking scheme, this statement is evaluated as True. Since the explanation in R (failure mechanics) does not serve as the correct reasoning for A (definition of physical layout), the correct choice is that both are true but R does not explain A.

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Informatics Practices > Introduction To Computer Networks > Computer Networks

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