Computer Networking
To avoid transmission errors, a check figure is calculated by the

receiving computer
transmitting computer
None of these
both A and B
Start and stop bit

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Computer Networking
You have created a named access list called Blocksales. Which of the following is a valid command for applying this to packets trying to enter interface s0 of your router?

(config-if)# blocksales ip access-list in
(config-if)# ip access-group 110 in
(config-if)# ip access-group Blocksales in
(config)# ip access-group 110 in

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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
Electronic mail
None of these
Paperless office
Global network

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