The Exists method of class Directory is used to:
a) check if a given directory has sub-directories
b) check if a given directory actually exists
c) make sure that the List has a beginning and an ending
d) check for an actual list by making sure the first and last elements are not the same,
meaning the list only has one item in it.
b) check if a given directory actually exists
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The Application Layer of the OSI model is
a. responsible for establishing a logical connection with appropriate permissions b. responsible for changing the data’s format as needed c. responsible for providing the end user with access to the network d. responsible for checking for errors
________ are short lines that appear on an axis at regular intervals
A) Tick marks B) Data markers C) Degends D) Data points
Describe an RJ-45 connector and explain how it is used.
What will be an ideal response?
What would you do if you ran the netstat command on your desktop computer and discovered port 80 was in use, but you did not have a Web server running on that computer? Why should you be concerned?
What will be an ideal response?