CCIE SP Written Question*
Which statements about ISDN LADP are true? (Multiple answers)
ISDN LAPD allows multiplexing of multiple logical data links on D channel
ISDN LAPD is only relevant to BRI, not PRI
ISDN LAPD has framing, sequence control, and an error detection mechanism
ISDN LAPD does not have flow control mechanism
*Taken from Networkers 2005 Slides
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