Computer Networking
Your company has a LAN in its downtown office and has now set up a LAN in the manufacturing plant in the suburbs. To enable everyone to share data and resources between the two LANs, what type of device(s) are needed to connect them? Choose the most correct answer.

Modem
Router
Cable
None of these
Hub

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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 receive and send data simultaneously
cannot talk at once
None of these
can send or receive data one at a time
can do one way data transmission only

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

Multiple remote host or applications accessed by a single local access circuit terminal and circuit
bursty traffic and low communications intensity
All of these
widely dispersed terminals and access to international packets switched services
None of these

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