The data link layer (layer 2) is responsible for transferring data between nodes on the same
logical segment. At
the Data Link layer, a segment is one where all nodes can send traffic to one another using
hardware addresses.
The network layer (layer 3) is responsible for moving data (routing) around a network of
networks, known as an
internetwork or the Internet.
The transport layer is known as the end-to-end or host-to-host layer. A function of the transport
layer is to identify
each type of network application by assigning it a port number.
As an organization is preparing for an upcoming inclement weather season, the server team has
been asked to
introduce a device to their server room that will provide a temporary power source solely to the
server in the
event of a blackout. This protection will ensure that the server is protected from spiking electrical
charges
associated with the incremental current. What is the name of this device?
A. UPS
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