1. The Bandwidth of a broadband signal is 6 MHz and it's maximum frequency is 106Mhz. What is the most likely carrier frequency?
a. 6Mhz, b. 100Mhz, c. 106Mhz, d. 103Mhz
2. WHich of the follwing is not a fundamental characteristics determines the effectiveness of a communication system? (choose all that apply).
a. error detection, b. delivery, c. error correction, d. timeliness, e. all of the above, f. none of the above.
3. Three channels are to be multilevel multiplexed together: two 300kbps and one 150kbps. No synchornization bits are used. What is the minimum necessary bit rate of the multiplexed data line?
a. 150Kbps, b. 300kbps, c. 600kbps, d. 750kbps
4. The transport layer has a protocol that is responisble for which of the follwing? (choose all that apply.)
a. error dectection, b. multiplexing, c. flow control, d. error correction