16 Questions
What is the demarcation point?
The point where the WAN service provider's wiring ends and the customer's wiring begins
What does CPE stand for?
Customer Premises Equipment
Who operates WANs?
Phone/cable companies, service providers, or satellite companies
What does the physical layer of a WAN involve?
Different hardware, cables, connectors, and interfaces
What is considered as 'service provider equipment'?
All hardware and devices that belong to the service provider
What is a possible combination of ownership for CPE?
Router owned by the customer and modem leased from the service provider
What is the purpose of the CSU/DSU device in a network?
To convert digital signals from the WAN into a signal the router understands and vice versa
What is the function of the DCE in a network?
To receive data from the DTE and modulate it into an analog signal for transmission
What is the local loop in a network?
The physical link that connects from the demarcation point at the customer to the edge of the service provider network
Which method involves breaking down data into packets for transmission on a network?
Packet Switching
What does the DTE (Data Terminal Equipment) do in a network?
Forwards data from the custom System Software Physical Layer Terminology
What was the function of the CSU/DSU in older networking systems?
To modulate data into an analog signal and forward it onto the wire to the service provider
What is another term for the local loop in a network?
"Last mile"
'Circuit Switching' in networking refers to:
Using telephone switchboards operated by operators to connect calls exclusively between users
What is the role of DCE (Data Circuit-terminating Equipment) in networking?
Receives data from DTE, modulates it into an analog signal, and forwards it onto the wire to the service provider
What does CSU/DSU (Channel Service Unit / Data Service Unit) do in a network?
Converts digital signals from WAN into a signal that router understands and vice versa
Test your knowledge of wide area networks (WANs) including the operations, infrastructure, and protocols involved in WAN technology. This quiz covers topics such as WAN operators, OSI model, physical layer hardware, and data link layer protocols.
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