Which of the following multifactor authentication methods does the smart card satisfy?
A. Something you have
B. Something you know
C. Something you are
D. Something you look like
Answer: A. Something you have
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Which of the following statements is false?
a. Thread synchronization is necessary only for shared mutable data, i.e., data that may change during its lifetime. b. With shared immutable data that will not change, it’s not possible for a thread to see old or incorrect values as a result of another thread’s manipulation of that data. c. When you share immutable data across threads, declare the corresponding data fields final to indicate that the values of the variables will not change after they’re initialized. This prevents accidental modification of the shared data, which could compromise thread safety. d. Labeling object references as final indicates that the referenced object is immutable.
Records in a sequential file are not usually updated in place. Instead ________.
a. the updated data is placed in a “surrogate” file b. the entire file is usually rewritten c. the file is truncated d. The above statement is false—records in sequential files are usually updated in place.
In a ________ implementation, a portion of the new system is put into place and perfected before additional pieces of the system are moved into use
A) cold turkey B) phased C) parallel D) piloted
A cell value that is referred to in a formula or a function is referred to as a(n) ________
A) dependent B) delimiter C) precedent D) subtotal