Computer Networking The geostationary satellite used for communication systems rotates with the earth All of these is positioned over equator None of these remains stationary relative to the earth rotates with the earth All of these is positioned over equator None of these remains stationary relative to the earth ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: datalink, network and transport physical datalink and network application, presentation and session None of these Session, transport and network datalink, network and transport physical datalink and network application, presentation and session None of these Session, transport and network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is 34000 bps 6200 bps None of these 9600 bps 31000 bps 34000 bps 6200 bps None of these 9600 bps 31000 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A characteristic of a multiprogramming system is: concurrent processing of two or more programs All listed here multiple CPUs simultaneous execution of program instructions from two applications None of these concurrent processing of two or more programs All listed here multiple CPUs simultaneous execution of program instructions from two applications None of these 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? None of these Recommended standard Random sequence Registered source Recognised standard None of these Recommended standard Random sequence Registered source Recognised standard ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which two statements describe the IP address 10.16.3.65/23?1. The subnet address is 10.16.3.0 255.255.254.0.2. The lowest host address in the subnet is 10.16.2.1 255.255.254.0.3. The last valid host address in the subnet is 10.16.2.254 255.255.254.0.4. The broadcast address of the subnet is 10.16.3.255 255.255.254.0. 2, 3 and 4 1 and 3 2 and 5 only 1, 2 and 4 2 and 4 2, 3 and 4 1 and 3 2 and 5 only 1, 2 and 4 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
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