1. For error detection protocol that are fall under channelization protocol. a. CSMA/CA b. ALOHA c. TDMA d. CSMA/CD 3. In e. FDMA f. CDMA g. Polling 2. Why CDMA/CA does not work in wireless LAN a. Hidden NODE problem is used by the Select following multiple access b. Low battery-powered devices for full duplex operation c. None of the above d. Open medium subject to eavesdropper. e. Low range communication between station a. Linear, datawords b. Block blockwords _coding, we divide our message into blocks, each of k bits called c. Block, datawords d. None of the above 5. In the 4. The time required to transmit frame depends on a. Frame size & Channel capacity b. Channel capacity c. Frame size d. None of the mentioned _Protocol, if no acknowledgment for a frame has arrived, we resend all outstanding frames. a. None of the above b. Go back-N ARQ c. Selective Repeat d. Stop and Wait ARQ