Computer Networking What is the minimum number of wires needed to send data over a serial communication link layer? 1 4 6 2 None of these 1 4 6 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which network is a cross between circuits switched network and a data-gram network? Virtual-circuit identifier Circuit-switched network None of these Virtual-circuit network Virtual-circuit identifier Circuit-switched network None of these Virtual-circuit network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to 0.009 0.003 0.991 None of these 0.999 0.009 0.003 0.991 None of these 0.999 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. If Delta modulation is selected, then how many bits per second are actually sent? 64 kbps. 128 kbps 32 kbps None of these 8 kbps 64 kbps. 128 kbps 32 kbps None of these 8 kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following communications service provides message preparation and transmission facilities? x400 Teletex Fax None of these Teletext x400 Teletex Fax None of these Teletext ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The configuration register setting of 0x2102 provides what function to a router? Tells the router to boot into ROM monitor mode Provides password recovery Boots the IOS from a TFTP server Tells the router to look in NVRAM for the boot sequence Tells the router to boot into ROM monitor mode Provides password recovery Boots the IOS from a TFTP server Tells the router to look in NVRAM for the boot sequence ANSWER DOWNLOAD EXAMIANS APP
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