Digital to Digital Conversion MCQ (Multiple Choice Questions) PDF - 238

MCQ 1186: Multi-Level Transmit (MLT-3) schemes use three levels

1. 0, v, and -v
2. 0,1, and 2
3. M,L, and T
4. 0,-1, and -2

MCQ 1187: A mobile station can communicate with two base stations at the same time, in this case systems are using

1. hard handoff
2. soft handoff
3. low handoff
4. back handoff

MCQ 1188: In Institute of Electrical and Electronics Engineers (IEEE) 802.11 frames, when the values of, To DS and from DS are 00, its means the frame is not going to a

1. adhoc system
2. infrastructure system
3. distribution system
4. cellular system

MCQ 1189: Ethernet protocol has a minimum and maximum restriction on the size of data that can be encapsulated in a frame is

1. 45 to 1200 bytes
2. 45 to 1400 bytes
3. 45 to 1450 bytes
4. 45 to 1500 bytes

MCQ 1190: In 1998, the Iridium system service was started with

1. 56 satellites
2. 66 satellites
3. 76 satellites
4. 86 satellites