Which of the following security devices can receive and process HTTP requests from hosts to allow or deny traffic for web browsing purposes only?

A back-end database can be stored in a(n) ________ where a company's technical support can ensure the data are protected and backed up regularly

Fill in the blank(s) with correct word

For each type of pattern defined below, determine whether the support mea- sure is monotone, anti-monotone, or non-monotone (i.e., neither monotone nor anti-monotone) with respect to increasing itemset size.

(a) Itemsets that contain both positive and negative items such as {a, b, c, d}. Is the support measure monotone, anti-monotone, or non-monotone when applied to such patterns? (b) Boolean logical patterns such as {(a ? b ? c), d, e}, which may contain both disjunctions and conjunctions of items. Is the support measure monotone, anti-monotone, or non-monotone when applied to such pat- terns?