(Topic 1) Which of the following statements regarding IS-IS LSPs is true?

(Topic 1) Which of the following statements regarding IS-IS LSPs is true?
A . There are three types of LSPs: L1, L2 and L1/L2.
B . An LSP packet contains the ATT bits and the IS-type bits.
C . The lower the LSP sequence number, the more current the update.
D . Separate databases are maintained for L1 „ L2, and L1/L2 LSPs.

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Answer: B