As shown in the figure, assume that the MAC address table of SWA is as follows. Host A sends a data frame whose destination MAC address is MAC-B to SWA. Which of the following statements is true?
When Host A sends a frame with MAC-B as the destination, SWA checks its MAC address table to determine the correct port to forward the frame.
According to the MAC table, MAC-B is associated with interface G0/0/2.
Step 2: Forwarding Behavior
Since SWA knows the destination MAC address and its associated interface, it will forward the frame only through G0/0/2.
Step 3: Analyzing the Answer Choices
Option A (Correct - Forwards only through G0/0/2): ✅
SWA correctly forwards the frame to G0/0/2, where HostB is connected.
Option B (Incorrect - Forwards through G0/0/3): ❌
MAC-B is not associated with G0/0/3, so the switch will not forward the frame there.
Option C (Incorrect - Floods the frame): ❌
Flooding occurs only when the MAC address is unknown, but in this case, MAC-B is known.
Option D (Incorrect - Discards the frame): ❌
The switch only discards frames if there’s a security violation or filtering rule, which is not mentioned here.
[Reference:Huawei HCIA-Datacom Official Documentation - Switch MAC Learning and Forwarding, ]
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