FILL BLANK Fill in the blank with the appropriate term. In the ______________method, a device or computer that transmits data needs to first listen to the channel for an amount of time to check for any activity on the channel.

Last Updated on August 12, 2021 by Admin 2

FILL BLANK

Fill in the blank with the appropriate term. In the ______________method, a device or computer that transmits data needs to first listen to the channel for an amount of time to check for any activity on the channel.

  • CSMA/CA
Explanation: Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) is an access method used by wireless networks (IEEE 802.11). In this method, a device or computer that transmits data needs to first listen to the channel for an amount of time to check for any activity on the channel. If the channel is sensed as idle, the device is allowed to transmit data. If the channel is busy, the device postpones its transmission. Once the channel is clear, the device sends a signal telling all other devices not to transmit data, and then sends its packets. In Ethernet (IEEE 802.3) networks that use CSMA/CD, the device or computer continues to wait for a time and checks if the channel is still free. If the channel is free, the device transmits packets and waits for an acknowledgment signal indicating that the packets were received.

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