Computer Networking In OSI model, which of the following layer provides error-free delivery of data? transport Data link Network Session None of these transport Data link Network Session None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The frequency range : 300 kHz to 3 MHz is used for FM radio transmission microwave communications, satellite and radar None of these TV transmission AM radio transmission FM radio transmission microwave communications, satellite and radar None of these TV transmission AM radio transmission ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM? Frequency-division multiple access Frequency-shift keying None of these Frequency modulation Amplitude modulation Frequency-division multiple access Frequency-shift keying None of these Frequency modulation Amplitude modulation 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? None of these 64 Kbps 8 Kbps 128 Kbps. 32 Kbps None of these 64 Kbps 8 Kbps 128 Kbps. 32 Kbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What protocol is used between E-Mail servers? POP3 SNMP FTP None of these SMTP POP3 SNMP FTP None of these SMTP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The channel in the data communication model can be radio signals None of these postal mail service telephone lines All of these radio signals None of these postal mail service telephone lines All of these ANSWER DOWNLOAD EXAMIANS APP