An interface standard can consist of four parts, or components, all of which reside at the ____ layer.?
A. ?network
B. ?data link
C. ?physical
D. ?transport
Answer: C
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What is at the top-right of the Start menu?
A) programs opened within the previous 30 days B) name of the current user C) all programs available on the hard drive D) recently used programs
What is wrong with the following code?
``` class TVset { private: int screen; bool HiDef; public: TVset( ){}; int Getscreen(int scr); }; int main( ) { TVset myTV; return 0; } ``` A. Nothing is wrong with this code. B. the constructor does not initialize private values. C. there is a semi-colon after the class declaration. D. There are no set or get functions.
Which port is used by secure HTTP?
a. 53 b. 161 c. 80 d. 443 e. 143
A validator scans the _________ statement to see which version of HTML or XHTML is being used, and then checks to see if the code is valid for that version.?
Answer: a. DOCTYPE b. c.