A security hole is a(n): Group of answer choices packet-level firewall small peep-hole in a door or wall to allow a security guard to examine an individual before allowing that individual access to a secure area or location malfunction or bug in an application program that allows data to be seen or accessed by unauthorized users missing or absent protected mode addressing restrictions on user programs during multitasking or multithreaded program execution ANI system

Which of the following factors would your hypothetical supervisor look at when deciding whether to test a biological material sample for dna? the amount of other evidence you have implicating a suspect in a crime the annual budget for the crime lab both of the above none of the above; you would almost always order a test

In the context of an internet connection, llc stands for leased line connection liability limited company local loop complex local loop carrier

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)?