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 signal to noise ratio divided by the ratio of energy per bit to noise per hertz None of these The probability that one or more errors will be undetected when an error detection scheme is used the probability that one or more errors will be detected when an error detection mechanism is used the number of bit errors per twenty four hours of continuous operation on an asynchronous line signal to noise ratio divided by the ratio of energy per bit to noise per hertz None of these The probability that one or more errors will be undetected when an error detection scheme is used the probability that one or more errors will be detected when an error detection mechanism is used ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have 10 users plugged into a hub running 10Mbps half-duplex. There is a server connected to the switch running 10Mbps half-duplex as well. How much bandwidth does each host have to the server? 10 Mbps 100 kbps 2 Mbps 1 Mbps 10 Mbps 100 kbps 2 Mbps 1 Mbps ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How often are BPDUs sent from a layer 2 device? Every 2 seconds Every 30 seconds Every 10 minutes Never Every 2 seconds Every 30 seconds Every 10 minutes Never ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If you wanted to deny FTP access from network 200.200.10.0 to network 200.199.11.0 but allow everything else, which of the following command strings is valid? access-list 198 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftpaccess-list 198 permit ip any 0.0.0.0 255.255.255.255 access-list 100 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftp access-list 110 deny 200.200.10.0 to network 200.199.11.0 eq ftpaccess-list 111 permit ip any 0.0.0.0 255.255.255.255 access-list 1 deny ftp 200.200.10.0 200.199.11.0 any any access-list 198 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftpaccess-list 198 permit ip any 0.0.0.0 255.255.255.255 access-list 100 deny tcp 200.200.10.0 0.0.0.255 200.199.11.0 0.0.0.255 eq ftp access-list 110 deny 200.200.10.0 to network 200.199.11.0 eq ftpaccess-list 111 permit ip any 0.0.0.0 255.255.255.255 access-list 1 deny ftp 200.200.10.0 200.199.11.0 any any ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Communication between computers is almost always series parallel None of these parallel direct serial series parallel None of these parallel direct serial ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called? Electronic newspaper Paperless office Electronic mail Global network None of these Electronic newspaper Paperless office Electronic mail Global network None of these ANSWER DOWNLOAD EXAMIANS APP
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