Computers and Technology, 17.12.2020 21:00 jamarcusweverjr1133
What is the only way to remove a password encryption on an Excel file?
A) Resave the workbook as a new document or make a copy of it.
B) Open the workbook as Read Only and resave it without a password.
C) Open the workbook in Protected View and resave it without a password.
D) Enter the password to open the workbook, and delete the password created in the Encrypt with Password box.
Answers: 2
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Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?
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Why does the pc send out a broadcast arp prior to sending the first ping request
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What is the only way to remove a password encryption on an Excel file?
A) Resave the workbook as a...
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