Computer Networking Demodulation is a process of performing data description. converting digital to analog signals converting analog to digital signals multiplexing various signals into one high speed line signals performing data description. converting digital to analog signals converting analog to digital signals multiplexing various signals into one high speed line signals ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Communication between computers is almost always series parallel None of these direct parallel serial series parallel None of these direct parallel serial ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The CCITT Recommendation X.25 specifies three layers of communications: None of these application, presentation and session datalink, network and transport physical datalink and network Session, transport and network None of these application, presentation and session datalink, network and transport physical datalink and network Session, transport and network ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Who invented the modem? Apple Computers Inc. AT & T Information Systems, USA None of these Digital Equipment Corpn. Wang Laboratories Ltd. Apple Computers Inc. AT & T Information Systems, USA None of these Digital Equipment Corpn. Wang Laboratories Ltd. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following might be used by a company to satisfy its growing communications needs? concentrator front-end processor controller multiplexer All of these concentrator front-end processor controller multiplexer All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management? Layer 7 protocols Layer 6 protocols Layer 5 protocols None of these Layer 4 protocols Layer 7 protocols Layer 6 protocols Layer 5 protocols None of these Layer 4 protocols ANSWER DOWNLOAD EXAMIANS APP
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