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Exam 4A0-220 Topic 1 Question 16 Discussion

Actual exam question for Nokia's 4A0-220 exam
Question #: 16
Topic #: 1
Which of the following is not a GMPLS protocol?

Suggested Answer: C Vote an answer

Explanation
SFD is not a GMPLS protocol, but a term used in optical networks to refer to the Source Frequency Definition, which is a parameter that specifies the frequency of a wavelength channel4. GMPLS protocols are those that enable the control and management of different types of switching technologies, such as packet, wavelength, fiber, and time-slot switching5. Some examples of GMPLS protocols are OSPF-TE, RSVP-TE, and LMP. OSPF-TE is a routing protocol that advertises the topology and the link attributes of the network6.
RSVP-TE is a signaling protocol that establishes, modifies, and releases LSPs. LMP is a link management protocol that verifies the connectivity and monitors the status of the links. References:
* 4: Source Frequency Definition (SFD) - ITU
* 5: Generalized Multi-Protocol Label Switching - Wikipedia
* 6: OSPF Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS) - RFC 4203
* [7]: Generalized Multi-Protocol Label Switching (GMPLS) Signaling Resource Reservation Protocol-Traffic Engineering (RSVP-TE) Extensions - RFC 3473
* [8]: Link Management Protocol (LMP) - RFC 4204

by Goddard at Apr 20, 2025, 01:01 PM

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