Using complete sentences post a detailed response to the following. Consider the various methods for authentication: passwords, biometric verification, and security tokens. For each kind of authentication, describe one real-world application where that level of security makes the most sense or is used widely, and explain why it is a sensible choice.

The following function returns a string of length n whose characters are all 'x'. give the order of growth (as a function of n) of the running time. recall that concatenating two strings in java takes time proportional to the sum of their lengths. public static string f(int n) { if (n == 0) return ""; if (n == 1) return "x"; return f(n/2) + f(n - n/2); } options: a) constant b) logarithmic c) linear d) linearithmic e)quadratic f)cubic g) exponential

Atype of researcher who uses computers to make sense of complex digital data

When writing a business letter, how many times can you use the same merge field in a document? once once, unless using the address block feature unlimited it will depend on the type of document you choose