Which of the following is the definition of ciphertext?
a. the buying and selling of goods and services online through a secure web site, with payment by credit card or direct debit from a checking account.
b. any action that could damage an asset.
c. the opposite of cleartext. data sent as ciphertext is not visible and not decipherable.
d. a mathematical formula that quantifies the amount of uptime for a system
compared to the amount of downtime. usually displayed as a ratio or percentage.

Write a method replacekey in the minheap class with the following signature: public void replacekey(integer oldkey, integer newkey) the method will replace the first occurrence of oldkey with the newkey, and restore the min-heap property after the change. if the oldkey does not exist in the heap, the method prints an appropriate message and returns without changing the heap. example: suppose our binary heap object (bh) has the following keys: *** 4 6 7 32 19 64 26 99 42 54 28 then the method call: bh.replacekey (oldkey integer(54), newkey integer(2))

Budgets you to do all of the following expect a) send frivolously b) avoid over spending c) gain financial independence d) examine your priorities and goals

Arah has entered data about football players from team a and team b in a worksheet. she enters names of players from team a with details about each player in different columns of the worksheet. similarly, she enters details of all the players from team b. which option will her view the data for team a and team b in two separate sections after printing? a. page break view b. freeze pane view c. split screen view d. full screen view e. zoom out view