Question 571. We can receive data either through our television aerial or down our telephone lines and display this data on our television screen. What is the general name given to this process?

Question 572. ASK, PSK, FSK, and QAM are examples of _____ encoding.

Question 573. The data-link layer, in reference to the OSI model, specifies

Question 574. You need to determine whether IP information has been assigned to your Windows NT. Which utility should you use?

Question 575. Eight stations are competing for the use of the shared channel using the modified Adaptive free walk protocol by Gallager. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?

Question 576. You have been contracted to install a windows NT network in an office that is located in a strip mall. The office is located next to the power plant of the building, so a UPS (uninterruptible power supply) has already been installed. What type of cable should you use for the network cabling? Choose the best answer.

Question 577. Communication circuits that transmit data in both directions but not at the same time are operating in

Question 578. Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Question 579. When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?

Question 580. In a synchronous modem, the digital-to-analog converter transmits signal to the