Computer Networking What is the minimum number of wires required for sending data over a serial communications links? 4 None of these 1 3 2 4 None of these 1 3 2 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 3 only 1 only 1 and 4 2 and 3 3 only 1 only ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the port number for HTTP? None of these 23 80 99 86 None of these 23 80 99 86 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A smart modem can dial, hang up and answer incoming calls automatically. Can you tell who provides the appropriate instruction to the modem for this purpose? Telecommunications Communications software Error detecting protocols None of these Link access procedure (LAP) Telecommunications Communications software Error detecting protocols None of these Link access procedure (LAP) ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign? 255.255.255.255 255.255.224.0 255.255.248.0 255.255.252.0 255.255.240.0 255.255.255.255 255.255.224.0 255.255.248.0 255.255.252.0 255.255.240.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Select the wrong data communication system component: Receiver Protocol Transits Medium Receiver Protocol Transits Medium ANSWER DOWNLOAD EXAMIANS APP
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