Computer Networking In OSI model, which of the following layer provides error-free delivery of data? transport Network Session None of these Data link transport Network Session None of these Data link ANSWER DOWNLOAD EXAMIANS APP
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. 500 Kbps None of these 32 Kbps 64 Kbps 8 Kbps 500 Kbps None of these 32 Kbps 64 Kbps 8 Kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is an IEEE standard for frame tagging? 802.3U 802.3Z ISL 802.1Q 802.3U 802.3Z ISL 802.1Q ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The main difference between synchronous and asynchronous transmission is the bandwidth required is different the clocking is mixed with the data in asynchronous transmission None of these the clocking is derived from the data in synchronous transmission the pulse height is different. the bandwidth required is different the clocking is mixed with the data in asynchronous transmission None of these the clocking is derived from the data in synchronous transmission the pulse height is different. 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 9600 bps 31000 bps None of these 6200 bps 34000 bps 9600 bps 31000 bps None of these 6200 bps 34000 bps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following network types have a designated router and a backup designated router assigned? 1. Broadcast 2. Point-to-point 3. NBMA 4. NBMA point-to-point 3 and 4 All of these 1 and 3 1, 2 and 3 3 and 4 All of these 1 and 3 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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