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Free 4A0-205 Exam Braindumps
Nokia Optical Networking Fundamentals Questions 11–15 (page: 4)

Updated On: 10-Feb-2026
Page 4 of 15
PDF with 109 Questions

What is a degree-1 node?

  1. A node with only one direction and therefore a terminal node
  2. A node with only one express channel and therefore made of two sides
  3. A node with only east and west sides without directions towards north and south
  4. A node with one direction only and therefore used as In-Line-Amplifier (ILA)

Answer(s): A



With reference to trails and services, which of the following sentences is correct?

  1. Trails are transported over services; that is, trails are clients with respect to services.
  2. A trail can interconnect three ports, while a service always two.
  3. Services are transported over trails; that is, services are clients with respect to trails.
  4. A service is always associated to a single wavelength, while a trail can involve multiple wavelengths.

Answer(s): C



What is a trail?

  1. An entity to encapsulate a low order signal into a high order container
  2. A transparent transport of a client signal
  3. A link between end points to increase the power budget of the optical link
  4. A physical link between two optical amplifiers

Answer(s): B



Which use case is most suitable for the deployment of a star topology?

  1. Access networks, for collecting traffic towards the main central node
  2. ASON networks, to protect traffic via GMPLS protocols
  3. Backbone networks, for supporting protection routes
  4. SNCP-protected links

Answer(s): A



What is the metro area network?

  1. The metro area network is that portion of network that passes through a city to provide connections to several customers.
  2. The metro area network is located between access and core domains.
  3. The metro area network is made of OCS/SWDM nodes only, as no pure photonic nodes are used here.
  4. The metro area network is located in between two access area networks and made of photonic nodes only (no OCS/SWDM nodes are used there).

Answer(s): A



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