Not necessarily you can have a frame connection in an up/up state and not transfer data can't you.
----- Original Message ----- From: "Gregg Malcolm" To: Sent: Sunday, December 02, 2001 12:01 PM Subject: RE: Serial Line is up and line protocol is up ANSW [7:27930] > Anil, > > I'm sorry, my explaination wasn't very good. The answer can't be B since > you have no information saying data is being sent and received. The answer > A does fit since a frame relay connection is active if int status is UP/UP. > > As far as the 2nd part, AFAIK not every encap uses keepalives. Frame Relay > is somewhat special in that an UP/UP status really means that data COULD be > xfer'ed. The case of the broken remote CSU/DSU does not fit this scenarios > since keepalives would not be received. The question seems geared toward > trying to trick the engineer into thinking that data is being xfered vs. > could be. Many encap use keepalives. A few are F/R, ATM, PPP and HDLC (PPP > uses an echo). Not sure if all do (probably not). Hope that helps. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=28010&t=27930 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]