A typical use of a _________ is a situation in which the system administrator trusts the internal users.
A. ?packet filtering firewall ?
B. ?circuit level gateway
C. ?application level gateway ?
D. ?stateful inspection firewall
B. ?circuit level gateway
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_____ owners can find apps at Google Play.
A. iPad B. Droid C. iPhone D. Windows
The pointer in the last node of a linked list is often set to NULL because:
A. in a search, we need to have some way of knowing when we’ve reached the end of the list B. it doesn’t point to anything C. it prevents memory leak D. it conserves the memory used in the linked list by 25%
Which of the following statements about the IPython session below is true?
In [1]: gender = 'Female'
In [2]: age = 70
In [3]: if gender == 'Female' and age >= 65:
...: print('Senior female')
...:
Senior female
a. The session defines two variables, then tests a condition that’s True if and only if both simple conditions are True—if either (or both) of the simple condi-tions is False, the entire and expression is False.
b. The right side of the and operator evaluates only if the left side is True.
c. The combined condition can be made clearer by adding redundant (unneces-sary) parentheses
(gender == 'Female') and (age >= 65)
d. All of the above statements are true.
Assuming that list is a List
``` list.stream() .filter(value -> value % 2 != 0) .reduce(0, Integer::sum) ```