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."
Packets are delivered to all interfaces identified by the address. This is also called one-to-many addresses.
Packets addressed to a unicast address are delivered to a single interface.
This address identifies multiple interfaces and the anycast packet is only delivered to one address. This address can also be called one-to-one-of-many.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
None of these
All of these
allows gateways to send error a control messages to other gateways or hosts
EXAMIANS