Computer Networking Which of the following refers to the terms "residual error rate"? the number of bit errors per twenty four hours of continuous operation on an asynchronous line 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 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 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 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 types of connections can use full duplex?1. Hub to hub2. Switch to switch3. Host to host4. Switch to hub5. Switch to host 3 and 5 1, 2 and 4 3 and 4 2, 3 and 5 3 and 5 1, 2 and 4 3 and 4 2, 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You are unsuccessful in telnetting into a remote device. What could the problem be?1. IP addresses are incorrect.2. Access control list is filtering Telnet.3. There is a defective serial cable.4. The VTY password is missing. 3 only 2 and 4 only 1 only All of these 3 only 2 and 4 only 1 only All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following TCP/IP internet protocol a diskless machine uses to obtain its IP address from a server? None of these RIP RARP X.25 RDP None of these RIP RARP X.25 RDP ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following services use UDP?1. DHCP2. SMTP3. SNMP4. FTP5. HTTP6. TFTP All of these 1, 3 and 6 1, 2 and 4 2 and 4 All of these 1, 3 and 6 1, 2 and 4 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking A WATS arrangement is less expensive than flat-rate service only when the number of calls is small and the duration of each is long None of these is never less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is always less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is small and the duration of each is long None of these is never less expensive than flat-rate service is less expensive than flat-rate service only when the number of calls is large and the duration of each is short is always less expensive than flat-rate service ANSWER DOWNLOAD EXAMIANS APP