What layer of the OSI model refers to the code built into operating systems that enables network-aware applications?
A. Application
B. Transport
C. Session
D. Presentation
Answer: A
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A pointer variable may be initialized with
a. any nonzero integer value b. a valid address in the computer's memory c. an address less than zero d. any nonzero number e. None of these
If your current directory pathname is /usr/david, the command ls ..
a: displays the current directory b: lists files in the working directory c: lists files in david directory d: lists files in the usr directory e: displays invalid command message
If you use the Export Wizard to export selected records into an existing workbook, the original data in the Excel workbook is overwritten
Indicate whether the statement is true or false
When you ________ a picture, you remove unwanted or unnecessary areas
Fill in the blank(s) with correct word