Computer Networking Switching at the network layer in the Internet uses the datagram approach to: IP switching Circuit switching Message switching Packet switching IP switching Circuit switching Message switching Packet switching ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A WATS arrangement is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is less expensive than flat-rate service only when the number of calls is small and the duration of each is long 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 large and the duration of each is short is less expensive than flat-rate service only when the number of calls is small and the duration of each is long 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 Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model. 2 and 3 3 only 1 and 4 1 only 2 and 3 3 only 1 and 4 1 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking With an IP address of 100, you currently have 80 subnets. What subnet mask should you use to maximize the number of available hosts? 248 252 224 192 240 248 252 224 192 240 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A network which is used for sharing data, software and hardware among several users owning microcomputers is called VAN WAN MAN None of these LAN VAN WAN MAN None of these LAN ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Who invented the modem? Digital Equipment Corpn. Wang Laboratories Ltd. AT & T Information Systems, USA Apple Computers Inc. None of these Digital Equipment Corpn. Wang Laboratories Ltd. AT & T Information Systems, USA Apple Computers Inc. None of these ANSWER DOWNLOAD EXAMIANS APP
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