A repeater connects 2 LANs together. Part of the repeater's operation includes deciding whether to forward the signals received from one LAN to the other LAN or not.

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Examining the description of a repeater's role helps clarify how it operates in a network.
Option 1: True. The statement claims the repeater decides whether to forward signals between the two LANs. In practice, a repeater does not make selective forwarding decisions based on destination addresses or filtering logic. It is a simple electrical repeater that repeats electrical signals to all other ports, regardless of the intended recipient. Therefore, this option inaccurately characterizes a repeater's behavior.
Option 2: False. The foundational behavior of a repeater is to forward every signal it receives from one LAN segment to the other (and to all other ports on the device), without performing any destination-based filtering. This means it propagates signals to extend the collision domain and does not implement any form of address-based forwarding or selective transmission. The lack of forwarding control based on destination makes this option align with how repeaters operate in traditional Ethernet networks.
Additional note: Because repeaters operate at the physical layer, they do not interpret frames or MAC addresses; they simply regenerate and repeat the electrical signal. This contrasts with bridges or switches, which do make forwarding decisions based on addressing. Thus the statement asserting selective forwarding is incorrect, while the correct understanding is that forwarding is unconditional to all segments connected by the repeater.

CMPT371 D100 Quiz 2

A repeater connects 2 LANs together. Part of the repeater's operation includes deciding whether to forward the signals received from one LAN to the other LAN or not.

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