Computer Networking A 4 KHz noiseless channel with one sample every 125 per sec, is used to transmit digital signals. Find the bit rate (bits per second) that are sent, if CCITT 2.048 Mbps encoding is used. 32 Kbps 500 Kbps None of these 8 Kbps 64 Kbps 32 Kbps 500 Kbps None of these 8 Kbps 64 Kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking 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? None of these Videotex Telesoftware Viewdata Teletext None of these Videotex Telesoftware Viewdata Teletext ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications service provides message preparation and transmission facilities? None of these Teletext x400 Teletex Fax None of these Teletext x400 Teletex Fax ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband. Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable Baseband refers to local area networks, and broadband refers to wide area networks. Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable Baseband refers to local area networks, and broadband refers to wide area networks. Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as the DSLAM? DSL Frame Relay PPPoE Dedicated T1 Wireless DSL Frame Relay PPPoE Dedicated T1 Wireless ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Typewriter terminals can print computer-generated data at a rate of None of these 120 characters per second 120 characters per minute 1200 characters per minute 10 characters per second None of these 120 characters per second 120 characters per minute 1200 characters per minute 10 characters per second ANSWER DOWNLOAD EXAMIANS APP
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