Suppose s is of type String. What would it mean if s.lastIndexOf(s.charAt(0)) returns the value 1?
a) The first character appears once in the string.
b) The first two characters in the string are identical.
c) The length of the string is 2.
d) The second character of the string is ‘0’.
b.
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Which of the following must use NSA approved algorithms to be considered a Type 1 encryption device?
A. SIEM B. INE C. HSM D. HIPS
Zach, a network administrator, is checking work on some new CAT5 LAN network cabling installed at an organization. Multiple lines are receiving poor signals, and Zach finds the lengths of the runs to be sometimes over 350 feet (107 meters). Which of the following is the cause of the issue?
A. CAT5 cable runs over 330 feet (100 meters) need to utilize STP instead of UTP. B. CAT5 cabling is limited to single-run lines of 330 feet (100 meters). C. CAT5 cabling is limited to single-run lines of 250 feet (76 meters). D. CAT5 cabling needs to have terminators installed at each end for runs over 330 feet (100 meters).