Computer Networking Working of the WAN generally involves telephone lines microwaves None of these satellites All of these telephone lines microwaves None of these satellites All of these 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. 1 and 4 2 and 3 1 only 3 only 1 and 4 2 and 3 1 only 3 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A required characteristic of an online real-time system is: more than one CPU offline batch processing no delay in processing None of these All of these more than one CPU offline batch processing no delay in processing None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many non-overlapping channels are available with 802.11h? 40 3 23 12 40 3 23 12 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You want to improve network performance by increasing the bandwidth available to hosts and limit the size of the broadcast domains. Which of the following options will achieve this goal? Switches configured with VLANs Managed hubs Bridges Switches Switches configured with VLANs Managed hubs Bridges Switches ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Internet-like networks within an enterprise. Intranets Switching alternating Inter organizational networks Extranets Intranets Switching alternating Inter organizational networks Extranets ANSWER DOWNLOAD EXAMIANS APP