Question
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message?
What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message? "Serial1 is down, line protocol is down."
A.Physical layer
B.Data Link layer
C.Network layer
D.None. It is a router problem.
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Income Tax Fundamentals 2013
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
31st Edition
1111972516, 978-1285586618, 1285586611, 978-1285613109, 978-1111972516
