Computer Networking Error detection at the data link level is achieved by Equalization Cyclic Redundancy Code Hamming Code Bit Stuffing Equalization Cyclic Redundancy Code Hamming Code Bit Stuffing 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 only 2 and 3 3 only 1 and 4 1 only 2 and 3 3 only 1 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for? None of these Random sequence Recognised standard Registered source Recommended standard None of these Random sequence Recognised standard Registered source Recommended standard ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A medium access control technique for multiple access transmission media is Amplitude Angle modulation Aloha None of these Attenuation Amplitude Angle modulation Aloha None of these Attenuation ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following conditions is used to transmit two packets over a medium at the same time? Asynchronous Contention None of these Collision Synchronous Asynchronous Contention None of these Collision Synchronous ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which statements are true regarding ICMP packets?1. They acknowledge receipt of a TCP segment.2. They guarantee datagram delivery.3. They can provide hosts with information about network problems.4. They are encapsulated within IP datagrams. 2 and 3 1 only 2, 3 and 4 3 and 4 2 and 3 1 only 2, 3 and 4 3 and 4 ANSWER DOWNLOAD EXAMIANS APP