Question: For the WiFi medium access control, the main objective for the acknowledgement (ACK) frame is: A. Association C. Access control B. Reliable data delivery

For the WiFi medium access control, the main objective for the acknowledgement (ACK) frame is: A. Association C. Access control B. Reliable data delivery

For the WiFi medium access control, the main objective for the acknowledgement (ACK) frame is: A. Association C. Access control B. Reliable data delivery D. Security For distributed coordination function (DCF), the contention window is directly coming after: A. Acknowledgment (ACK) frame C. Backoff time B. Busy medium status D. Interframe space Supporting of different MIMO number at the wireless access is known as: A. Adaptive antenna B. Adaptive modulation A. HLR B. VLR C. Adaptive coding D. Channel bonding GSM unit is used to store information about each subscriber belonged to the network. C. AUC D. EIR The Bluetooth networks is considered as: A. WPAN B. WLAN C. WMAN D. WWAN WiGig 802.11d technology is used only for indoor network because using of: A. Weak security C. 60 GHz band D. Low gain antenna B. High data rates The mobile IP registration is implemented through: . A. Internet control message protocol (ICMP) B. Transfer control protocol (TCP) C. User datagram protocol (UDP) D. Internet protocol (IP)

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