Answer the following statements true (T) or false (F)
1) Records in random-access files must be of uniform length.
2) Module cPickle performs more efficiently than does module pickle because
cPickle is written in Python.
3) Serialization converts complex objects to a set of bytes.
4) Method sys.exit returns 1 by default to signify that no errors occurred.
5) Sequential-access files are inappropriate for instant-access applications in which records must be located quickly.
1) F
2) F
3) T
4) F
5) T
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Which of the following is the common port used for IMAP?
A. 25 B. 53 C. 143 D. 443
A data member that is private
a) cannot be referred to by methods that are public. b) cannot be referred to from anywhere outside the class in which it is declared. c) is usable only by a constructor method. d) must be defined before data members that are public are defined.