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?

Global network
Paperless office
Electronic mail
None of these
Electronic newspaper

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Computer Networking
HDLC (High-level Data Link Control) is

a method access control technique for multiple-access transmission media
a method of determining which device has access to the transmission medium at any time
network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.
None of these

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Computer Networking
Network 206.143.5.0 was assigned to the Acme Company to connect to its ISP. The administrator of Acme would like to configure one router with the commands to access the Internet. Which commands could be configured on the Gateway router to allow Internet access to the entire network?1. Gateway (config) # ip route 0.0.0.0 0.0.0.0 206.143.5.22. Gateway (config) # router rip3. Gateway (config-router) # network 206.143.5.04. Gateway (config-router) # network 206.143.5.0 default

1, 2 and 4
1 and 4
1 only
3 only

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