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CompTIA Network+ N10-008 Practice Question

In monitoring a network interface, what metric would most accurately provide insight into potential bottlenecks by reflecting the current volume of data utilization against the total available bandwidth?

Packet forwarding rate per second
Utilization rate of a network interface
Broadcast storm ratio
Collision rate on the network segment

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Answer Description

The correct answer is 'Utilization rate of a network interface,' which refers to the proportion of the network's capacity being used for send/receive traffic and is crucial for identifying potential bottlenecks. A high utilization rate may indicate that the network is reaching its capacity and could become congested, leading to increased latency and packet loss. In contrast, 'Collision rate' is associated with network problems on Ethernet networks operating in half-duplex mode, 'Broadcast storm ratio' is related to the excessive presence of broadcast traffic on the network which can lead to performance issues, and 'Packet forwarding rate' generally measures how quickly a network device such as a router or switch can forward packets, not the proportion of bandwidth currently being utilized.

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CompTIA Network+ N10-008

Network Operations

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