The network layer, in reference to the OSI model, provide
Options
A. data link procedures that provide for the exchange of data via frames that can be sent and received
B. the interface between the X.25 network and packet mode device
C. the virtual circuit interface to packet-switched service
D. All of the above
E. None of the above
Correct Answer
the virtual circuit interface to packet-switched service
Networking problems
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1. What is the name of the computer based EMMS that provides a common forum where users can check in at their convenience, post messages, actively exchange ideas and participate in ongoing discussions?
A. Gateways are assumed to know correct routes; hosts begin with minimal routing information and learn new routes from gateways.
B. Layered protocols are designed so that layer n at the destination receives exactly the same object sent by layer n at the source.
C. Application programs as well as all protocol software from the Internet layer upward use only IP addresses; the network interface layer handles physical addresses.