choose the right one

(1.12) Is a reduction of signal strength during transmission as a signal passes across a medium over long distance. (a). Attenuation (b). Distortion (C). Interference (d). (e). All of the above (1.13) Which of the type of error results open from longer-duration Interference? Burst error (b). Erasure (c). Random (d). Single bit error (e). All of the above (1.14) The Hamming distance between 101101 and 010101 is (a). 5 (b). 4 (C). 3 (d). 2 (e). None of these (1.15) Which of the following error checking technique use a forward error correction mechanism? (a). CRC Internet Checksum Single Parity Checking (d). RAC (e). All of the above (1.16) Which of the following error detection technique will be best suited for detecting burst errors? (a CRC Hamming Code Internet Checksum RAC All of the above (d). (e) (1.17) Which of the following transmission will be well suited to applications th generate data at random? (a). Asynchronous serial (b). Isochronous serial (c). Parallel (d). Synchronous serial (e). None of the Above