Computer Networking
Your switch has a port status LED that is alternating between green and amber. What could this indicate?

The port is in STP blocking mode.
The port is experiencing errors.
Nothing; this is normal.
The port is shut down.

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Computer Networking
What is the purpose of flow control?

To ensure that data is retransmitted if an acknowledgment is not received.
To regulate the size of each segment.
To provide a means for the receiver to govern the amount of data sent by the sender.
To reassemble segments in the correct order at the destination device.

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Computer Networking
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

The subinterface type as point-to-point
An IP address on the physical interface
PAP
The Frame Relay encapsulation on the physical interface
The local DLCI on each subinterface

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