(Topic 1) Which of the following best describes the actions after an IS-IS router receives on a broadcast interface, a newer LSP than the one in its database?

(Topic 1) Which of the following best describes the actions after an IS-IS router receives on a broadcast interface, a newer LSP than the one in its database?
A . The router sends a copy of the LSP from its database to its neighbor
B . The router updates its database with the LSP and floods a copy to its other neighbors.
C . The router updates its database with the LSP, acknowledges the LSP with a PSNP and floods a copy to its other neighbors.
D . The router updates its database with the LSP and acknowledges it with a PSN

Answer: B