Question 1

MPLS is not a service or application. It is actually a tunneling technology.
  • Question 2

    In the WDM system, what are the reasons that can cause large fiber attenuation and high bit error rate? (Multiple choice)
  • Question 3

    Which of the following are the basic principles of WDM system fault location? (Multiple choice)
  • Question 4

    When creating a single-site optical crossover, an error message "The direction of the fiber cable is selected wrongly" appears. The possible reason is?
  • Question 5

    The OAU board at the 48-wave OTM site completes signal amplification.