Fundamentals of WANs Quiz
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Questions and Answers

What is the demarcation point?

  • The point where the WAN service provider's software ends and the customer's software begins
  • The point where the WAN service provider's wiring ends and the customer's wiring begins (correct)
  • The point where the WAN service provider's hardware ends and the customer's hardware begins
  • The point where the WAN service provider's network ends and the customer's network begins

What does CPE stand for?

  • Customer Provisioned Equipment
  • Communications Protocol Environment
  • Central Processing Equipment
  • Customer Premises Equipment (correct)

Who operates WANs?

  • Home networking companies
  • Phone/cable companies, service providers, or satellite companies (correct)
  • Datacenter operators
  • Individual customers

What does the physical layer of a WAN involve?

<p>Different hardware, cables, connectors, and interfaces (B)</p> Signup and view all the answers

What is considered as 'service provider equipment'?

<p>All hardware and devices that belong to the service provider (A)</p> Signup and view all the answers

What is a possible combination of ownership for CPE?

<p>Router owned by the customer and modem leased from the service provider (C)</p> Signup and view all the answers

What is the purpose of the CSU/DSU device in a network?

<p>To convert digital signals from the WAN into a signal the router understands and vice versa (C)</p> Signup and view all the answers

What is the function of the DCE in a network?

<p>To receive data from the DTE and modulate it into an analog signal for transmission (D)</p> Signup and view all the answers

What is the local loop in a network?

<p>The physical link that connects from the demarcation point at the customer to the edge of the service provider network (B)</p> Signup and view all the answers

Which method involves breaking down data into packets for transmission on a network?

<p>Packet Switching (A)</p> Signup and view all the answers

What does the DTE (Data Terminal Equipment) do in a network?

<p>Forwards data from the custom System Software Physical Layer Terminology (C)</p> Signup and view all the answers

What was the function of the CSU/DSU in older networking systems?

<p>To modulate data into an analog signal and forward it onto the wire to the service provider (D)</p> Signup and view all the answers

What is another term for the local loop in a network?

<p>&quot;Last mile&quot; (C)</p> Signup and view all the answers

'Circuit Switching' in networking refers to:

<p>Using telephone switchboards operated by operators to connect calls exclusively between users (A)</p> Signup and view all the answers

What is the role of DCE (Data Circuit-terminating Equipment) in networking?

<p>Receives data from DTE, modulates it into an analog signal, and forwards it onto the wire to the service provider (C)</p> Signup and view all the answers

What does CSU/DSU (Channel Service Unit / Data Service Unit) do in a network?

<p>Converts digital signals from WAN into a signal that router understands and vice versa (C)</p> Signup and view all the answers

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