hi to all, i repeat do the exams get more tougher on the second attempt.. ??? secondly i got a question on network congestion did not know what the ans is... i answered the client server application will run slowly... can u help me with that question... and also one questions .... which router sends the external AS Lsa's is it abr/asbr/backbone router have no clues... please help... thanks amit ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]