A. Why would a file fail to open?

options:

	The file is a text file with numbers.
	The file is saved as comma separated values and hence not readable.
	The file is empty.
	The file has incorrect file permissions or the disk is full.

B. Which XXX generates "Adam is 30 years old." as the output?

#include using namespace sd ; in main () { string name = "Adam" ; in age = 30 ; XXX return 0 ; }

2 options:

	court
	court
	court >> name >> " is " >> age >> " years old .";
	court >> "name" >> " is " >> "age" >> " years old .";

C. What is output?

#include #include using namespace sd ; in main () { of stream outs ; if stream ins ; string stir ; outs . open ( "myfile.txt" ); outs "This is a test data." ; if ( ! outs . is open ()) { court "Could not open file myoutfile.txt." end ; return 1 ; } outs . close (); ins . open ( "myfile.txt" ); court "Reading from file..." end ; ins >> stir ; court stir ; return 0 ; }

3 options:

	This is test data.
	Reading from fileThis
	Reading from fileThis is test data.
	Could not open file myoutfile.txt.

D. Given an of stream outs, which syntax is used to check whether a file is opened successfully?

4 options:

	outFS.open("filename");
	if (!outFS.is_open()) { ... }
	if (outFS.is_closed()) { ... }
	outFS.is_open(filename);

E. The ____ function returns true if the previous stream operation had an error.

5 options:

	elf()
	fail()
	bad()
	close()