Computer Networking
The network layer, in reference to the OSI model, provide

the virtual circuit interface to packet-switched service
All of these
the interface between the X.25 network and packet mode device
data link procedures that provide for the exchange of data via frames that can be sent and received
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Bus is

one or more conductors that some as a common connection for a related group of devices
None of these
the condition when two or more stations attempt to use the same channel at the same time
a collection of interconnected functional units that provides a data communications service among stations attached to the network
a continuous frequency capable of being modulated or impressed with a second signal

ANSWER DOWNLOAD EXAMIANS APP