Which string displayed using the ls ?l command in a Linux terminal indicates that group permissions are set to read and modify?
A. -rm-rm-r--
B. -rw-rw-r--
C. -rwxr--rw-
D. -rmxrm-rm-
Answer: B
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If a variable uses more than one byte of memory, for pointer purposes its address is
a. the address of the last byte of storage b. the average of all the addresses used to store that variable c. the address of the first byte of storage d. the address of the second byte of storage e. None of these
Static stacks have a __________ size and are implemented as __________.
a. fixed, linked lists b. variable, arrays c. fixed, arrays d. variable, linked lists e. None of these
Which of the following is the command used to display currently open ports on a Windows operating system?
a. netstat -a b. netstat -r c. netstat -o d. netstat - a
Which of the following segments is a proper way to call the method read Data four times?
a. double k = 0.0; while (k != 4) { readData(); k = k + 1; } b. int i = 0; while (i <= 4) { readData(); i = i + 1; } c. int i = 0; while (i < 4) { readData(); } d. int i = 0; while (i < 4) { readData(); i = i + 1; }