C appends the low-value hexadecimal byte ____ as the end-of-file (EOF) sentinel when a file is closed.
A. 0x00
B. 0x01
C. 0x99
D. 0xFF
Answer: A
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All layout managers implement the interface ________.
a. LayoutInterface b. InterfaceLayoutManager c. LayoutManagerInterface d. LayoutManager
Which of the following is true?
A) A TreeSet created with the no-arg constructor expects its elements to implement the Comparable interface B) A TreeSet created with the no-arg constructor expects its elements to implement the Comparator interface C) The load factor of TreeSet should never exceed 50% to ensure maximum performance D) The load factor of TreeSet should never exceed 75% to ensure maximum performance
Which port is used by Secure Shell?
a. 110 b. 161 c. 69 d. 22 e. 20, 21
For a field with the valueemail for thetypeattribute, touchscreen devices may display buttons such as an @ key._________________________
Answer the following statement true (T) or false (F)