Which file mode is used to open a file for reading and writing in C++?
A. append
B. readwrite
C. write
D. rplus
Answer: Option D
A. append
B. readwrite
C. write
D. rplus
Answer: Option D
Which header file is required for file handling in C++?
A. <iostream>
B. <fstream>
C. <file>
D. <filestream>
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