In 1831, Alexander Graham Bell made the first telephone call
Indicate whether the statement is true or false
FALSE
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Answer the following statements true (T) or false (F)
1. Non-template functions have a slight advantage in speed over template functions. 2. Iterators are objects that are similar to pointers. 3. When an item stored in a linked list is removed, all list items stored after it have to be moved down to plug up the hole. 4. Inserting an item into a linked list requires that all the items past the point of the insertion be shifted to make room for the new item. 5. In a non-empty list, there must be exactly one list item with no successor.
Alice has a picture-based password system, where she has each user pick a set of their 20 favorite pictures, say, of cats, dogs, cars, etc. To login, a user is shown a series of pictures in pairs—one on the left and one on the right. In each pair, the user has to pick the one that is in his set of favorites. If the user picks the correct 20 out of the 40 he is shown (as 20 pairs), then the
system logs him in. Analyze the security of this system, including the size of the search space. Is it more secure than a standard password system? What will be an ideal response?
You want to delete the oldproj group, so you type ______ oldproj.
Fill in the blank(s) with the appropriate word(s).
The fundamental information security principals include confidentiality, availability and which of the following?
A. The ability to secure data against unauthorized disclosure to external sources B. The capacity of a system to resist unauthorized changes to stored information C. The confidence with which a system can attest to the identity of a user D. The characteristic of a system to provide uninterrupted service to authorized users