Computer Networking
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."

Network layer
Data Link layer
None. It is a router problem.
Physical layer

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

None of these
adequate cost control mechanisms for administration of the private networks
A and B both
to assign address to private network DTEs
universal accessibility for private network Data Terminal Equipment (DTE)

ANSWER DOWNLOAD EXAMIANS APP