Computer Networking A WATS arrangement is less expensive than flat-rate service only when the number of calls is small and the duration of each is long is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is always less expensive than flat-rate service None of these is never less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is small and the duration of each is long is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is always less expensive than flat-rate service None of these is never less expensive than flat-rate service ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A group of 2m - 1 routers are interconnected in a centralized binary tree, with router at each tree node. Router I communicate with router J by sending a message to the root of the tree. The root then sends the message back down to J. Then find the mean router-router path length. 2 (m - 2) (2m - l)/mJ 2 (2m - 1) m - 1 2 (m - 2) (2m - l)/mJ 2 (2m - 1) m - 1 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Now-a-days computers all over the world can talk to each other. Which is one of the special accessories essential for this purpose? Scanner Keyboard None of these Fax Modem Scanner Keyboard None of these Fax Modem ANSWER DOWNLOAD EXAMIANS APP
Computer Networking For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for? Recognised standard Random sequence Registered source None of these Recommended standard Recognised standard Random sequence Registered source None of these Recommended standard ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If you want to have more than one Telnet session open at the same time, what keystroke combination would you use? Ctrl+Shift+6, then X Ctrl+X, then 6 Tab+Spacebar Ctrl+Shift+X, then 6 Ctrl+Shift+6, then X Ctrl+X, then 6 Tab+Spacebar Ctrl+Shift+X, then 6 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. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent? 64 Kbps 8 Kbps 128 Kbps. 32 Kbps None of these 64 Kbps 8 Kbps 128 Kbps. 32 Kbps None of these ANSWER DOWNLOAD EXAMIANS APP
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