Computer Networking End-to-end connectivity is provided from host-to-host in: Network layer Transport layer Session layer Data link layer None of these Network layer Transport layer Session layer Data link layer None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If one link fails, only that link is affected. All other links remain active. Which topology does this? Bus topology Mesh topology Physical topology Star topology Bus topology Mesh topology Physical topology Star topology ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following refers to the terms "residual error rate"? None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz The probability that one or more errors will be undetected when an error detection scheme is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line the probability that one or more errors will be detected when an error detection mechanism is used None of these signal to noise ratio divided by the ratio of energy per bit to noise per hertz The probability that one or more errors will be undetected when an error detection scheme is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line the probability that one or more errors will be detected when an error detection mechanism is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the minimum number of wires required for sending data over a serial communications links? 3 4 1 2 None of these 3 4 1 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection? 150 100 80 30 None of these 150 100 80 30 None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the frequency range of the IEEE 802.11a standard? 2.4GHz 5Gbps 5GHz 2.4Gbps 2.4GHz 5Gbps 5GHz 2.4Gbps ANSWER DOWNLOAD EXAMIANS APP