Which of the following OSI model layers is used for logical addressing?

A(n) ________ is a multiuser computer system that runs a network operating system and provides services to client systems

Fill in the blank(s) with correct word

Answer the following statements true (T) or false (F)

1) The classes dealing with files and directories are located in the System.IO namespace. 2) The FileAccess.Read enumeration member is used if the file should not be modified. 3) An OpenFileDialog allows a user to select a file to open. 4) BinaryFormatters can be used to serialize and deserialize objects coming in and going out via a stream. 5) BinaryFormatter’s Serialize and Deserialize methods are both parameterless.