Computer Networking
Which three statements are true about the operation of a full-duplex Ethernet network?1. There are no collisions in full-duplex mode.2. A dedicated switch port is required for each full-duplex node.3. Ethernet hub ports are preconfigured for full-duplex mode.4. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.5. The host network card and the switch port must be capable of operating in full-duplex mode.

2, 3 and 4
2 and 4
1, 2, and 5
5 only

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Computer Networking
What is the purpose of Spanning Tree Protocol in a switched LAN?

To prevent routing loops in networks with redundant paths
To manage the VLAN database across multiple switches
To prevent switching loops in networks with redundant switched paths
To create collision domains
To provide a mechanism for network monitoring in switched environments

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