Computer Networking Which of the following refers to the terms "residual error rate"? None of these the probability that one or more errors will be detected when an error detection mechanism is used signal to noise ratio divided by the ratio of energy per bit to noise per hertz 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 undetected when an error detection scheme is used None of these the probability that one or more errors will be detected when an error detection mechanism is used signal to noise ratio divided by the ratio of energy per bit to noise per hertz 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 undetected when an error detection scheme is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking What is the default subnet mask for a class B network? 255.255.0.0 255.255.255.0 None of these 127.0.01 255.0.0.0 255.255.0.0 255.255.255.0 None of these 127.0.01 255.0.0.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A required characteristic of an online real-time system is: more than one CPU offline batch processing None of these All of these no delay in processing more than one CPU offline batch processing None of these All of these no delay in processing ANSWER DOWNLOAD EXAMIANS APP
Computer Networking In geosynchronous orbit, satellite moves simultaneously remains in a fixed position related to points on earth remains in a fixed position so that as earth rotates, it can fully cover the earth moves faster than the earth's rotation so that it can cover larger portion of earth. None of these moves simultaneously remains in a fixed position related to points on earth remains in a fixed position so that as earth rotates, it can fully cover the earth moves faster than the earth's rotation so that it can cover larger portion of earth. None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?1. Half-duplex Ethernet operates in a shared collision domain.2. Half-duplex Ethernet operates in a private collision domain.3. Half-duplex Ethernet has higher effective throughput.4. Half-duplex Ethernet has lower effective throughput. 1 and 4 2 only 4 only 1,2 and 3 1 and 4 2 only 4 only 1,2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The difference between a multiplexer and a statistical multiplexer is Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Statistical multiplexers need buffers while multiplexers do not need buffers None of these Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM) Multiplexers often waste the output link capacity while statistical multiplexers optimize its use Statistical multiplexers need buffers while multiplexers do not need buffers None of these Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol ANSWER DOWNLOAD EXAMIANS APP