Computer Networking Which of the following refers to the terms "residual error rate"? 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 detected when an error detection mechanism is used None of these The probability that one or more errors will be undetected when an error detection scheme 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 detected when an error detection mechanism is used None of these The probability that one or more errors will be undetected when an error detection scheme is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is an advantage to using fiber optics data transmission? All of these resistance to data theft low noise level few transmission errors fast data transmission rate All of these resistance to data theft low noise level few transmission errors fast data transmission rate ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is true regarding VLANs? You must have at least two VLANs defined in every Cisco switched network. All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches. VTP is used to send VLAN information to switches in a configured VTP domain. You should not have more than 10 switches in the same VTP domain. You must have at least two VLANs defined in every Cisco switched network. All VLANs are configured at the fastest switch and, by default, propagate this information to all other switches. VTP is used to send VLAN information to switches in a configured VTP domain. You should not have more than 10 switches in the same VTP domain. ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention? 5 slots 7 slots 14 slots None of these 10 slots 5 slots 7 slots 14 slots None of these 10 slots ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following describes the creation of private networks across the Internet, enabling privacy and tunneling of non-TCP/IP protocols? VPN HDLC IPSec Cable xDSL VPN HDLC IPSec Cable xDSL ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A remote batch-processing operation in which data is solely input to a central computer would require a: None of these telegraph line All listed here simplex lines mixedband channel None of these telegraph line All listed here simplex lines mixedband channel ANSWER DOWNLOAD EXAMIANS APP