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What action should you take?

You are employed as a developer at ABC.com. You make use of C# and ASP.NET for
development purposes.
You have been instructed to develop a new Windows application for ABC.com. You are in the
process of defining a new class. You want to make sure that code outside the assembly is
prevented from accessing the class. Code packaged in the same assembly should however have
the ability to access this class, regardless of whether they inherit directly or indirectly from the
class.
What action should you take?

Which of the following best describes the network layer of the OSI model?

You are employed as a senior administrator at ABC.com.
You are responsible for running training exercises for trainee administrators. You are currently
covering the layers of the Open Systems Interconnect (OSI) model.
You are explaining the network layer.
Which of the following best describes the network layer of the OSI model?
E.The network layer deals with the transmission and reception of the unstructured raw bit stream
over a physical medium.
F.The network layer controls the operation of the subnet.
G.The network layer deals with error-free transfer of data frames from one node to another over
the physical layer.
H.The network layer makes sure that messages are conveyed error-free, sequentially, and with no
losses or duplications.