Nokia Certified Network Professional – IP/MPLS Services — Question 6

What is a trail?

Answer options

• A. An entity to encapsulate a low order signal into a high order container
• B. A transparent transport of a client signal
• C. A link between end points to increase the power budget of the optical link
• D. A physical link between two optical amplifiers

Correct answer: B

Explanation

The correct answer is B, as a trail is specifically defined as a method for the transparent transport of client signals in telecommunications. Options A, C, and D describe different concepts related to optical networks but do not accurately define what a trail is.