Computer Networking Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____. 3, 3, 1, 7 All of these 3, 2, 1, 7 3, 3, 2, none 3, 2, 1, none 3, 3, 1, 7 All of these 3, 2, 1, 7 3, 3, 2, none 3, 2, 1, none ANSWER DOWNLOAD EXAMIANS APP
Computer Networking You have the following routing table. Which of the following networks will not be placed in the neighbor routing table?R 192.168.30.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0C 192.168.40.0/24 is directly connected, Serial0 172.16.0.0/24 is subnetted, 1 subnetsC 172.16.30.0 is directly connected, Loopback0R 192.168.20.0/24 [120/1] via 192.168.40.1, 00:00:12, Serial0R 10.0.0.0/8 [120/15] via 192.168.40.1, 00:00:07, Serial0C 192.168.50.0/24 is directly connected, Ethernet0 10.0.0.0 192.168.30.0 All of them will be placed in the neighbor routing table 172.16.30.0 10.0.0.0 192.168.30.0 All of them will be placed in the neighbor routing table 172.16.30.0 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to 0.991 0.999 0.003 None of these 0.009 0.991 0.999 0.003 None of these 0.009 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____. 42 even indeterminate odd 42 even indeterminate odd ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver can do one way data transmission only None of these can send or receive data one at a time can receive and send data simultaneously cannot talk at once can do one way data transmission only None of these can send or receive data one at a time can receive and send data simultaneously cannot talk at once ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Intranets and extranets can use their network fire walls and other security features to establish secure Internet links within an enterprise or with its trading partners. Select the best fit for answer: Network operating system OSI Virtual Private Network Network Server Network operating system OSI Virtual Private Network Network Server ANSWER DOWNLOAD EXAMIANS APP
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